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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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05-01-2012 дата публикации

Transformer and flat panel display device including the same

Номер: US20120001887A1
Принадлежит: Samsung Electro Mechanics Co Ltd

There are provided a thin transformer capable of being used in a thin display device such as a liquid crystal display (LCD) device, a light emitting diode (LED) display device, and a flat panel display device including the same. The transformer includes: a bobbin part including inner and outer bobbins each including a pipe shaped body part having a though-hole formed in an inner portion thereof and a flange part protruding outwardly from both ends of the body part; coils respectively wound around the inner and outer bobbins; and a core electromagnetically coupled to the coils to thereby form a magnetic path, wherein the inner bobbin is inserted into the through-hole of the outer bobbin to thereby be coupled to the outer bobbin and at least one of the inner and outer bobbins includes the flange part having a width larger than a thickness of the body part.

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17-05-2018 дата публикации

Катушка индуктивности

Номер: RU0000179472U1

Заявляемое технические решение относятся к электротехнике и может быть использовано в электронных устройствах различного назначения, в частности в ректорах синусных фильтров с воздушным охлаждением.Сущность заявляемого технического решения заключается в том, что соленоид катушки индуктивности помещен между полимерными кожухами, которые образуют с ним единую жесткую конструкцию с перекрытой центральной частью. Указанная конструкция выполнена с возможностью охлаждения указанного соленоида направленным потоком воздуха, сосредоточенным в воздушных каналах, образованных между полимерными кожухами и витками соленоида, посредством исключения движения указанного потока воздуха через центральную часть катушки индуктивности.Технический результат, достигнутый от реализации заявляемой полезной модели, заключается в упрощении конструкции катушки индуктивности, увеличении ее перегрузочной способности, в том числе, в аварийных режимах. Также в повышении эффективности охлаждения за счет применения аэродинамических поверхностей, образованных полимерными кожухами, обеспечивающими повышение плотности и направленность потока охлаждающего воздуха у поверхности соленоида, что увеличивает коэффициент теплоотдачи и позволяет повысить индуктивность катушки, уменьшив сечение проводника, снизив, таким образом, габаритные размеры, себестоимость изделия. 2 фиг. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 179 472 U1 (51) МПК H01F 5/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (52) СПК H01F 5/00 (2006.01) (21)(22) Заявка: 2017142033, 01.12.2017 (24) Дата начала отсчета срока действия патента: (73) Патентообладатель(и): Хачатуров Дмитрий Валерьевич (UA) Дата регистрации: 17.05.2018 (56) Список документов, цитированных в отчете о поиске: RU 2593266 C2 10.08.2016. RU 112496 U1 10.01.2012. RU 2410814 C2 27.01.2011. US 8049587 B2 01.11.2011. 28.08.2017 UA u201708664 (45) Опубликовано: 17.05.2018 Бюл. № 14 1 7 9 4 7 2 (54) КАТУШКА ИНДУКТИВНОСТИ ( ...

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21-06-2012 дата публикации

Solenoid with a connection region

Номер: US20120154078A1
Автор: Claus-Peter Hasel
Принадлежит: SVM Schultz Verwaltungs GmbH and Co KG

The invention refers to a solenoid, comprising a coil and a connection region for a current source. At least one conducting pin is arranged at the connection region. The pin is connected by a welding joint with the coil connector. The coil connector is connected to the coil. The pin can be positioned by a positioning piece slid on the pin.

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21-06-2012 дата публикации

Transformer and flat panel display device including the same

Номер: US20120154089A1
Принадлежит: Samsung Electro Mechanics Co Ltd

There are provided a transformer and a flat panel display device including the same capable of securing leakage inductance and allowing easy manufacturing. The transformer according to the embodiment of the present invention includes: a bobbin part including a plurality of bobbins each including a tube-shaped body part having a penetration hole therein and one of flange parts protruded outwardly from both sides of the body part; a core inserted into the penetration holes in the bobbins to form a magnetic circuit; a coil part including respective coils wound around the bobbins; and a bobbin fixing member combined with either side surface of the bobbin part in which at least two of the bobbins are laminated, to fix and combine at least two of the bobbins.

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26-07-2012 дата публикации

Coil and method for manufacturing the same

Номер: US20120188043A1
Автор: Makoto Saito
Принадлежит: Anritsu Corp

[Task] There are provided a coil that is simple in structure and excellent in high frequency characteristics and a method for manufacturing the same. [Means for Resolution] The coil includes a plurality of conductor patterns 11 formed at an interval from each other on a substrate 21, and metal wires 12 that electrically connect an end of one conductor pattern of conductor patterns adjacent to each other with an end of the other conductor pattern that is an end opposite to the end of the one conductor pattern. One or more spiral shapes are formed by two or more conductor patterns 11 and one or more metal wires 12. The coil includes a core material 13 that is arranged at least in a portion inside a space surrounded by one or more spiral shapes to cover the outer peripheries of the metal wires 12 at least over a predetermined range.

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26-07-2012 дата публикации

Magnetic coil assembly

Номер: US20120188044A1
Автор: Ki Bong Song
Принадлежит: LSIS Co Ltd

The present disclosure provides a magnetic coil assembly for suppressing the generation of broken wire in a coil as well as reducing a winding time, the magnetic coil assembly according to the present disclosure comprise a bobbin; a magnetic coil wound around the bobbin; a pair of terminals fixedly installed at the bobbin; a first coil fixing protrusion portion extended from the terminal to fix a starting end portion of a first coil half which is a half of the entire length of the magnetic coil; a second coil fixing protrusion portion extended from the bobbin to fix a starting end portion of a second coil half which is the remaining half of the magnetic coil, and fix an terminal end portion of the first coil half; and a third coil fixing protrusion portion extended from the terminal to fix a terminal end portion of the second coil half.

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21-03-2013 дата публикации

Method for Operation of Multi-Layer Wire Structure for High Efficiency Wireless Communication

Номер: US20130068499A1
Принадлежит: Nucurrent Inc

A structure for wireless communication having a plurality of conductor layers, an insulator layer separating each of the conductor layers, and at least one connector connecting two of the conductor layers wherein an electrical resistance is reduced when an electrical signal is induced in the resonator at a predetermined frequency.

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28-03-2013 дата публикации

LOCATION OF AN NTC RESISTOR IN AN ELECTROMAGNET

Номер: US20130076468A1
Автор: Zurke Janusz
Принадлежит: PIERBURG GMBH

An arrangement of a NTC resistor in an electromagnet includes an electromagnetic coil comprising a main winding and a shunt winding, a coil carrier configured to have the electromagnetic coil be wound thereon, a first contact terminal and a second contact terminal configured to supply a voltage, a NTC resistor, a first contact lead comprising a first contact lead end, a second contact lead comprising a second contact lead end, and a third contact lead. The first contact lead, the second contact lead and the third contact lead are configured to interconnect the first contact terminal, the second contact terminal, the main winding, the shunt winding, and the NTC resistor. A fixing element is configured to be elastically deformable and to exert a spring force so as to fix the NTC resistor between the first contact lead end and the second contact lead end. 18-. (canceled)9. An arrangement of a NTC resistor in an electromagnet , the arrangement comprising:an electromagnetic coil comprising a main winding and a shunt winding;a coil carrier configured to have the electromagnetic coil be wound thereon;a first contact terminal and a second contact terminal, each of the first contact terminal and the second contact terminal being configured to supply a voltage;a NTC resistor;a first contact lead comprising a first contact lead end, a second contact lead comprising a second contact lead end, and a third contact lead, the first contact lead, the second contact lead and the third contact lead being configured to interconnect the first contact terminal, the second contact terminal, the main winding, the shunt winding, and the NTC resistor; anda fixing element configured to be elastically deformable and to exert a spring force so as to fix the NTC resistor between the first contact lead end and the second contact lead end.10. The arrangement as recited in claim 9 , wherein the NTC resistor is clamped between the first contact lead end and the second contact lead end claim 9 , and ...

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04-04-2013 дата публикации

Coil parts and method of fabricating the same

Номер: US20130082812A1
Принадлежит: Samsung Electro Mechanics Co Ltd

A coil part is provided. The coil part includes a coil layer including a core and a first coil and a second coil disposed on and under the core, a lower magnetic layer bonded under the coil layer, and an upper magnetic layer bonded on the coil layer. Accordingly, it is possible to improve process and productivity and cut fabrication costs by preventing process defects that occur during the fabrication process of a coil part using a ferrite substrate.

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11-04-2013 дата публикации

TRANSFORMER WITH ARBITRARILY SMALL LEAKAGE-INDUCTANCE APPARATUS AND METHOD

Номер: US20130088315A1
Автор: Clouser Paul
Принадлежит: SEDONA INTERNATIONAL, INC.

An electrical transformer is provided having a toroidal core; a plurality of wraps of a low impedance transmission line the low impedance transmission line including a transmission pair of first and second conductors such that the transformer creates a magnetic flux confined to interfaces between said first and second conductors and does not extend to the toroidal core, and the transformer having a coupling coefficient K arbitrarily close to 1 and a value of leakage inductance Larbitrarily close to 0. 1. An electrical transformer , said transformer comprising:a toroidal core;a plurality of wraps of a low impedance transmission line said low impedance transmission line comprising a transmission pair of first and second conductors such that said transformer creates a magnetic flux confined to interfaces between said first and second conductors and does not extend to said toroidal core, and{'sub': 'l', 'said transformer having a coupling coefficient K arbitrarily close to 1 and a value of leakage inductance Larbitrarily close to 0.'}2. The electrical transformer of wherein said first and second conductors are disposed on opposing sides of a non-conductive film.3. The electrical transformer of wherein a wrap in said plurality of wraps comprises first and second turns in said low impedance transmission line such that said second conductor is disposed proximal to said toroidal core.4. The electrical transformer of further comprising an electrical input comprising a conductive disc.5. The electrical transformer of wherein said conductive disc is copper.6. The electrical transformer of further comprising an electrical output comprising a conductive disc.7. The electrical transformer of wherein said conductive disc is copper.8. The electrical transformer of wherein said second conductor is a continuous coil disposed adjacent to said core claim 1 , said first conductor comprising a plurality of first conductor segments disposed over and parallel with wraps of said second ...

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11-04-2013 дата публикации

ELECTRONIC COMPONENT AND MANUFACTURING METHOD THEREOF

Номер: US20130088316A1
Принадлежит: MURATA MANUFACTURING CO., LTD.

An electronic component that can be prevented from being mounted on a circuit board with inclination, and a manufacturing method thereof are provided. An electronic component is mountable on a circuit board including a first land and a second land. The electronic component includes outer electrodes on a lower surface of a stack to be arranged along a direction and are connectable to the first land and the second land, respectively. With the eletronic component mounted to the circuit board, respective contact surfaces of the outer electrodes to the first land and the second land have a structure being symmetric about a line parallel to the direction, and each respective contact surface is divided into a plurality of portions. 1. An electronic component capable of being mounted on a circuit board including a first land and a second land , comprising:a body; anda first outer electrode and a second outer electrode that are arranged in a predetermined direction on a mount surface of the body, and are connectable to the first land and the second land, respectively,wherein, with the first outer electrode and the second outer electrode connected to the first land and the second land, a first contact surface of the first outer electrode to the first land and a second contact surface of the second outer electrode to the second land have a structure being symmetric about a line parallel to the predetermined direction and each of the first contact surface and the second contact surface is divided into a plurality of portions.2. The electronic component according to claim 1 , wherein the first contact surface and the second contact surface are each divided into the plurality of portions by respective grooves parallel to the predetermined direction.3. The electronic component according to claim 1 , wherein the first outer electrode and the second outer electrode are each divided into a plurality of portions.4. The electronic component according to claim 2 , wherein the first ...

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18-04-2013 дата публикации

Electromagnetic coil assemblies having braided lead wires and methods for the manufacture thereof

Номер: US20130093550A1
Принадлежит: Honeywell International Inc

Embodiments of an electromagnetic coil assembly are provided, as are methods for the manufacture of an electromagnetic coil assembly. In one embodiment, the electromagnetic coil assembly includes a body of dielectric material, a coiled magnet wire at least partially embedded within the body of dielectric material, a braided lead wire extending into the body of dielectric material to the coiled magnet wire, and a joint buried within the body of dielectric material and mechanically and electrically coupling the braided lead wire and the coiled magnet wire.

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18-04-2013 дата публикации

ELECTRONIC COMPONENT

Номер: US20130093558A1
Принадлежит: MURATA MANUFACTURING CO., LTD.

An electronic component that can be prevented from being shifted from a normal mount position and can be manufactured with a low cost is provided. The component is configured by stacking a plurality of insulating layers and a plurality of inner conductors provided on the respective insulating layers. The connection conductors have respective exposure portions that are each exposed between corresponding ones of the insulating layers at a surface of the stack. An outer electrode is formed, for example, by plating on the lower surface so that the exposure portions are covered with the outer electrode. The plurality of exposure portions do not have uniform thicknesses or are not arranged at uniform intervals in the stacking direction. 1. An electronic component , comprising:a stack configured by stacking a plurality of insulating layers;a plurality of inner conductors provided on the respective insulating layers, the plurality of inner conductors having respective exposure portions that are each exposed between the corresponding insulating layers at a surface of the stack; andan outer electrode on the surface covering the exposure portions,wherein the plurality of exposure portions do not have uniform thicknesses or are not arranged at uniform intervals in a stacking direction.2. The electronic component according to claim 1 , wherein the surface is a mount surface.3. The electronic component according to claim 1 , wherein the surface is parallel to the stacking direction.4. The electronic component according to claim 2 , wherein the surface is parallel to the stacking direction.5. The electronic component according to claim 1 , wherein irregularities are formed on a surface of the outer electrode.6. The electronic component according to claim 5 , wherein each irregularity comprises a region having a thickness greater than a thickness of a region of the outer electrode adjacent to the irregularity.7. The electronic component according to claim 1 , wherein the outer ...

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02-05-2013 дата публикации

HIGH FREQUENCY INDUCTOR STRUCTURE HAVING INCREASED INDUCTANCE DENSITY AND QUALITY FACTOR

Номер: US20130106554A1

Disclosed is an inductor structure. The inductor structure includes a base material, a plurality of bottom spiral conductors disposed on the base material, and at least one top spiral conductor disposed on the at least one bottom spiral conductor, and dielectric material separating the bottom, middle and top spiral conductors. A current path for high frequency operation is disclosed. Also disclosed is a method for determining the number of turns in the at least one top spiral conductor and the at least one bottom spiral conductor. 1. An inductor structure comprising:a base material;{'b': '2', 'sub': bot1', 'bot2', 'botn', 'thin', 'thin', 'thin', 'thin, 'a plurality of bottom spiral conductors having a first number of turns n of the spiral disposed on the base material, the plurality of bottom spiral conductors having thicknesses t, t, . . . tmeasured in a vertical direction from the base material and a width Wand a turn to turn spacing S, wherein width Wand turn to turn spacing Sare measured in a direction parallel to the base material;'}{'b': '1', 'sub': top1', 'thick', 'thick', 'thick', 'thick', 'top1', 'bot1', 'bot2', 'botn, 'at least one top spiral conductor having a second number of turns n of the spiral in contact with the plurality of bottom spiral conductors, the at least one top spiral conductor having a thickness tmeasured in a vertical direction from the base material, a width Wand a turn to turn spacing Swherein the width Wand turn to turn spacing Sbeing measured in a direction parallel to the base material, such that tis greater than t, t, . . . t; and'}dielectric material separating the bottom and top spiral conductors;each turn of the at least one top spiral conductor being in axial alignment with a turn of the plurality of bottom spiral conductors, the inductor structure having a current path from a turn of the at least one top spiral conductor to an axially aligned turn of the plurality of bottom spiral conductors to a next turn of the plurality of ...

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09-05-2013 дата публикации

STAMP FOR MANUFACTURING CONDUCTOR LINE AND VIA AND METHOD FOR MANUFACTURING COIL PARTS

Номер: US20130113594A1
Принадлежит: SAMSUNG ELECTRO-MECHANICS CO., LTD.

The present invention discloses a stamp for manufacturing a conductor line and a via including: an imprint body portion having a plate shape; a line imprint portion continuing in a spiral shape from an outer side to a center side of the imprint body portion while projecting from one surface of the imprint body portion; and a via imprint portion projecting from an end portion of the line imprint portion positioned on the center side of the imprint body portion while projecting from one surface of the imprint body portion, and a method for manufacturing coil parts using the same. 1. A stamp for manufacturing a conductor line and a via , comprising:an imprint body portion having a plate shape;a line imprint portion continuing in a spiral shape from an outer side to a center side of the imprint body portion while projecting from one surface of the imprint body portion; anda via imprint portion projecting from an end portion of the line imprint portion positioned on the center side of the imprint body portion while projecting from one surface of the imprint body portion.2. The stamp for manufacturing a conductor line and a via according to claim 1 , wherein a self-assembled monolayers (SAM) coating layer is further formed on at least one surface of the imprint body portion and the surface of the line imprint portion and the via imprint portion.3. The stamp for manufacturing a conductor line and a via according to or claim 1 , further comprising:a connection terminal portion which projects with the same thickness as the line imprint portion while extending from the end portion of the line imprint portion to form a base from which the via imprint portion projects.4. The stamp for manufacturing a conductor line and a via according to claim 1 , wherein the imprint body portion claim 1 , the line imprint portion claim 1 , and the via imprint portion are integrally formed through electroforming by filling a molding material in a stamp making mold manufactured through a ...

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23-05-2013 дата публикации

ACTUATION DEVICE

Номер: US20130127572A1
Автор: Golz Thomas
Принадлежит: ETO MAGNETIC GMBH

An electromagnetic actuation device with an actuation element, which can be adjusted relative to a stator on the basis of a magnetic actuation force which can be generated by the stator, wherein the stator has a coil winding, the winding wire of which is guided to a contact element bent at a bending region and is fixedly and electrically conductively connected to the same, wherein the contact element () has a depression geometry () in a bending region (), which shortens a bending path of the winding wire () and through which the winding wire () passes. 1. An electromagnetic actuation device with an actuation element , which can be adjusted relative to a stator on the basis of a magnetic actuation force which can be generated by the stator , wherein the stator has a coil winding , the winding wire of which is guided to a contact element bent at a bending region and is fixedly and electrically conductively connected to the same ,{'b': 5', '9', '7', '4', '4, 'wherein the contact element () has a depression geometry () in a bending region (), which shortens a bending path of the winding wire () and through which the winding wire () passes.'}291813. The actuation device according to claim 1 , wherein the depression geometry () is constructed as a depression recess () or as an opening () or as a recess which is open at the side.34999985. The actuation device according to claim 1 , wherein the winding wire () claim 1 , at least in a region laid upstream of the depression geometry () and adjoining the depression geometry () and also in a region laid downstream of the depression geometry () and adjoining the depression geometry () claim 1 , runs on a surface () of the contact element () directed outwards.49555. The actuation device according to claim 1 , wherein the depression geometry () is arranged centrally in relation a width extent of the contact element () or extends at least as far as the middle of the contact element () from outside transversely to the longitudinal ...

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23-05-2013 дата публикации

TRANSFORMER AND METHOD OF MANUFACTURING THE SAME

Номер: US20130127575A1
Принадлежит: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Disclosed herein are a transformer and a method of manufacturing the same. The transformer includes: a primary side winding having a loop shape; a secondary side winding formed on the same plane as that of the primary side winding in a remaining section except for at least a section at which it intersects with the primary side winding and having the same loop shape as that of the primary side winding so as to be electromagnetically coupled to the primary side winding; and an intersecting section formed so that the primary side and secondary side windings having the sum of the turn numbers of 3 or more intersect with each other in a two-layer structure, wherein the intersecting section includes at least one point of intermediate node having one side connected in a first layer and the other side connected in a second layer. 1. A transformer comprising:a primary side winding having a loop shape;a secondary side winding formed on the same plane as that of the primary side winding in a remaining section except for at least a section at which it intersects with the primary side winding and having the same loop shape as that of the primary side winding so as to be electromagnetically coupled to the primary side winding; andan intersecting section formed so that the primary side and secondary side windings having the sum of the turn numbers of 3 or more intersect with each other in a two-layer structure,wherein the intersecting section includes at least one point of intermediate node having one side connected in a first layer and the other side connected in a second layer.2. The transformer according to claim 1 , wherein at least one pair of outermost lines facing each other in a diagonal direction in the intersecting section among the three or more winding turns are connected to each other in the first or second layer in the diagonal direction.3. The transformer according to claim 1 , wherein at least one sub-outermost line among the three or more winding turns is ...

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23-05-2013 дата публикации

METHOD FOR FABRICATING A THREE-DIMENSIONAL INDUCTOR CARRIER WITH METAL CORE AND STRUCTURE THEREOF

Номер: US20130127578A1
Принадлежит: Chipbond Technology Corporation

A method for fabricating a inductor carrier comprises the steps of providing a substrate with a protective layer; forming a first photoresist layer on protective layer; patterning the first photoresist layer to form a first opening and first apertures; forming a first metal layer within first opening and first apertures; removing the first photoresist layer; forming a first dielectric layer on protective layer; forming a second photoresist layer on first dielectric layer; patterning the second photoresist layer to form a second aperture and a plurality of third apertures; forming a second metal layer within second aperture and third apertures; removing the second photoresist layer; forming a second dielectric layer on first dielectric layer; forming a third photoresist layer on second dielectric layer; patterning the third photoresist layer to form a fifth aperture and sixth apertures; forming a third metal layer within fifth aperture and sixth apertures. 1. A three-dimensional inductor carrier with metal core comprises:a substrate having a surface, at least one first bond pad and a protective layer, wherein the first bond pad is disposed on the surface, the protective layer is formed on the surface and comprises at least one first pad opening, and the first pad opening reveals the first bond pad;a first metal layer formed on the protective layer, the first metal layer comprises a first conductive pad and a plurality of first inductor portions, each of the first inductor portions comprises a first connection terminal, a second connection terminal and a first height;a first dielectric layer formed on the protective layer and covering the first metal layer, the first dielectric layer comprises a second pad opening, a plurality of first connection openings and a plurality of second connection openings, wherein the second pad opening reveals the first conductive pad, each of the first connection openings reveals each of the first connection terminals, and each of the ...

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23-05-2013 дата публикации

SINGLE- OR MULTI-PHASE DRY-TYPE TRANSFORMER HAVING AT LEAST TWO COILS

Номер: US20130127582A1
Принадлежит: ABB Technology AG

A single- or multi-phase dry-type transformer includes at least two coils. A barrier between phases made of an electrically insulating material is arranged in the intermediate space between the individual coils. 1. A single-phase or polyphase dry-type transformer comprising:at least two coils having an interspace arranged therebetween; andan interphase barrier comprised of an electrically insulating material and arranged in the interspace between the at least two coils.2. The single-phase or polyphase dry-type transformer as claimed in claim 1 , wherein the interphase barrier is in the form of an individual barrier.3. The single-phase or polyphase dry-type transformer as claimed in claim 2 , wherein the interphase barrier is formed as a plate-shaped barrier in the form of a straight claim 2 , planar claim 2 , rectangular plate.4. The single-phase or polyphase dry-type transformer as claimed in claim 3 , wherein leakage path extensions are attached to the outer edges of the plate-shaped barrier.5. The single-phase or polyphase dry-type transformer as claimed in claim 2 , wherein the interphase barrier is formed as an integral molding with integrated leakage path extensions.6. The single-phase or polyphase dry-type transformer as claimed in claim 1 , wherein the interphase barrier is in the form of a plurality of barriers arranged next to one another.7. The single-phase or polyphase dry-type transformer as claimed in claim 6 , wherein the barriers arranged next to one another each have bent-back end pieces.8. The single-phase or polyphase dry-type transformer as claimed in claim 6 , wherein the barriers arranged next to one another are connected to one another by spacers.9. The single-phase or polyphase dry-type transformer as claimed in claim 1 , wherein the interphase barrier is connected to pressing bars/yokes via spacers.10. The single-phase or polyphase dry-type transformer as claimed in claim 9 , wherein the spacer is formed from a block of an electrically ...

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30-05-2013 дата публикации

COIL COMPRISING A WINDING COMPRISING A MULTI-AXIAL CABLE

Номер: US20130134964A1
Принадлежит: IMEGO AB

The present invention relates to a coil comprising a winding (). The winding comprises a multi-axial cable with one shielding layer connected to ground. 1. A coil comprising a winding , wherein said winding comprises a multi-axial cable with one shielding layer connected to ground.2. The coil of claim 1 , wherein said multi-axial cable is coaxial.3. The coil of claim 1 , wherein said multi-axial cable is triaxial.4. The coil of claim 1 , wherein said coil is an excitation coil in a coil system for susceptometry.5. The coil of claim 1 , wherein said coil is a detection coil in a coil system for susceptometry.6. The coil of for operation in a frequency to 100 MHz claim 1 , at least 10 MHz.7. The coil of claim 3 , wherein a second shielding layer is connected to a current source voltage.8. The coil of claim 1 , wherein one or several shielding layers of said multi-axial cable is divided in several sections claim 1 , with each section directly connected to the ground.9. A device for detecting a dynamic magnetic response or changes in a dynamic magnetic response of a magnetic material or at least one magnetic particle in a carrier fluid claim 1 , said detection comprising measuring said magnetic particle's characteristic magnetic relaxation in said carrier fluid under influence of an external magnetic field claim 1 , said device comprising means for generating said magnetic field claim 1 , at least two substantially identical detection coils connected in a gradiometer coupling to detection electronics for measuring the induced voltage that is dependent on the dynamic magnetic properties of a sample in the detection coils claim 1 , characterized in that said excitation coil and and/or detection coils comprise a winding and said winding comprises a multi-axial cable with at least one shielding layer connected to ground.10. The device of claim 9 , wherein said multi axial cable is coaxial.11. The device of claim 9 , wherein said multi-axial cable is triaxial.12. The device ...

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30-05-2013 дата публикации

ELECTRONIC COMPONENT AND MANUFACTURING METHOD THEREOF

Номер: US20130135075A1
Автор: INUI Masaki
Принадлежит: MURATA MANUFACTURING CO., LTD.

A stack is configured by stacking magnetic layers and non-magnetic layers, and has a rectangular-parallelepiped shape. A coil is provided in the stack, and has a coil axis that is substantially parallel to a stacking direction of the stack. The stacking direction and the coil axis are not parallel to sides that configure the stack. 1. An electronic component , comprising:a rectangular-parallelepiped stack configured by stacking a plurality of insulating layers; anda first coil in the stack having a coil axis substantially parallel to a stacking direction of the stack,wherein the stacking direction and the coil axis are not parallel to sides that configure the stack.2. The electronic component according to claim 1 , wherein each respective major surface of the plurality of insulating layers is orthogonal to a first side surface of the stack.3. The electronic component according to claim 2 , wherein the major surfaces of the plurality of insulating layers are parallel to a first diagonal of the first side surface.4. The electronic component according to claim 3 , wherein the first side surface has a square shape.5. The electronic component according to claim 4 , further comprising:a second coil provided in the stack and having a coil axis substantially parallel to the stacking direction of the stack.6. The electronic component according to claim 5 , wherein the first coil and the second coil configure a common mode choke coil such that the first coil and the second coil face each other with the first diagonal of the first side surface interposed therebetween in plan view in a direction of the normal to the first side surface.7. The electronic component according to claim 5 ,wherein one end of the first coil and one end of the second coil are located to be point symmetric about an intersection of the first diagonal and a second diagonal at the first side surface.8. The electronic component according to claim 7 ,wherein the electronic component further comprises a first ...

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30-05-2013 дата публикации

TRANSFORMER

Номер: US20130135076A1
Автор: NAGASE Hirokazu
Принадлежит: RENESAS ELECTRONICS CORPORATION

A second inductor is disposed opposite to a first inductor and rotated around the center axis by 180°. The first inductor includes a plurality of lines concentrically formed in a first wiring layer, and a first intersection that is formed in a first area and connects a first line with a second line. The first intersection includes a first connection line formed in a second wiring layer, and a first interlayer line connecting the first and second lines with the first connection line. The second inductor includes a plurality of lines concentrically formed in a third wiring layer, and a second intersection that is formed in a second area and connects a third line with a fourth line. The second intersection includes a second connection line formed in a fourth wiring layer, and a second interlayer line connecting the third and fourth lines with the second connection line. 1. A transformer comprising:a first inductor; anda second inductor disposed so as to be opposed to the first inductor, the second inductor being rotated around a center axis by 180° with respect to the first inductor, whereinthe first inductor comprises:a plurality of lines concentrically formed in a first wiring layer, the plurality of lines having an opened ring shape; anda first intersection formed in a first area, the first area being one of two areas divided by a line passing through a center axis of the first and second inductors, the first intersection connecting a first line among the plurality of lines of the first inductor with a second line located two lines outside the first line,the first intersection comprises:a first connection line formed in a second wiring layer below the first wiring layer; anda first interlayer line that connects the first line with the first connection line and connects the second line with the first connection line,in an innermost first intersection, an innermost line and a line immediately outside the innermost line are formed in the first wiring layer in a ...

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13-06-2013 дата публикации

COIL PARTS AND METHOD OF MANUFACTURING THE SAME

Номер: US20130147592A1
Принадлежит: SAMSUNG ELECTRO-MECHANICS CO., LTD.

The present invention discloses a coil part including: a lower magnetic body; primary and secondary lower patterns formed on the lower magnetic body in a spiral shape in parallel to each other; a lower insulating layer covering the primary and secondary lower patterns; primary and secondary upper patterns electrically connected to the primary and secondary lower patterns, respectively, and formed on the lower insulating layer in a spiral shape in parallel to each other to correspond to the primary and secondary lower patterns; and an upper magnetic body formed on the primary and secondary upper patterns, wherein the primary and secondary upper patterns have portions which cross the primary and secondary lower patterns on the plane, and a method of manufacturing the same. 1. A coil part comprising:a lower magnetic body;primary and secondary lower patterns formed on the lower magnetic body in a spiral shape in parallel to each other;a lower insulating layer covering the primary and secondary lower patterns;primary and secondary upper patterns electrically connected to the primary and secondary lower patterns, respectively, and formed on the lower insulating layer in a spiral shape in parallel to each other to correspond to the primary and secondary lower patterns; andan upper magnetic body formed on the primary and secondary upper patterns, wherein the primary and secondary upper patterns have portions which cross the primary and secondary lower patterns on the plane.2. The coil part according to claim 1 , wherein the primary and secondary upper patterns are arranged to cross arrangement of the primary and secondary lower patterns.3. The coil part according to claim 2 , wherein the primary and secondary upper patterns are arranged to be positioned in a space between the primary and secondary lower patterns in the crossing portions.4. The coil part according to claim 1 , wherein the lower insulating layer comprises a primary coating layer covering the primary and ...

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13-06-2013 дата публикации

Electronic component and method for producing the same

Номер: US20130147593A1
Автор: Kaoru Tachibana
Принадлежит: Murata Manufacturing Co Ltd

A multilayer body includes a plurality of insulator layers that are stacked together and has top and bottom surfaces that oppose each other in a stacking direction and side surfaces that connect the top and bottom surfaces to each other. A coil is incorporated in the multilayer body. A connecting conductor is provided on the top surface of the multilayer body so as not to be in contact with the side surfaces of the multilayer body. An outer electrode is provided on the top surface of the multilayer body so as to cover the connecting conductor. A via-hole conductor connects an end portion of the coil and the connecting conductor to each other and extends through at least one of the insulator layers in the stacking direction.

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20-06-2013 дата публикации

Windings and Formation Methods for Transformers

Номер: US20130154781A1
Автор: Cho Chien-Chen
Принадлежит: SHAMROCK MICRO DEVICES CORP.

Embodiments of the present invention pertain to windings and methods thereof. A disclosed winding is for an inductive device, having a winding core and a winding portion. The winding portion has a first winding layer, a connection section, and a second winding layer. The first winding layer comprises a first solenoid wound around the winding core along a step direction. The connection section is on the first winding layer, substantially in parallel to the step direction. The second winding layer comprises a second solenoid wound around the first winding layer along the step direction. The connection section electrically connects the first and second winding layers. 1. A winding for an inductive device , comprising:a winding core; and a first winding layer comprising a first solenoid wound around the winding core along a step direction;', 'a connection section on the first winding layer, substantially parallel to the step direction; and', 'a second winding layer comprising a second solenoid wound around the first winding layer along the step direction;', 'wherein the connection section electrically connects the first and second winding layers., 'a winding portion, comprising2. The winding as claimed in claim 1 , wherein the connection section is sandwiched by the first and second winding layers.3. The winding as claimed in claim 1 , wherein the first solenoid has an ending terminal and the second solenoid has a starting terminal claim 1 , the connection section connects the ending terminal to the starting terminal claim 1 , and the winding further comprises two fastening objects for fastening the starting and ending terminals.4. The winding as claimed in claim 3 , wherein the fastening objects are pieces of Mylar tape.5. The winding as claimed in claim 1 , wherein the connection section is a first connection section claim 1 , and the winding portion further comprises:a second connection section on the second winding layer, substantially parallel to the step direction ...

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20-06-2013 дата публикации

COIL-TYPE ELECTRONIC COMPONENT

Номер: US20130154784A1
Принадлежит: TAIYO YUDEN CO., LTD.

A coil-type electronic component having a coil inside or on the surface of a base material is characterized in that the base material of the coil-type electronic component is constituted by a group of soft magnetic alloy grains inter-bonded via oxide layers, multiple crystal grains are present in each soft magnetic alloy grain, and the oxide layers preferably have a two-layer structure whose outer layer is thicker than the inner layer. 1. A coil-type electronic component having a coil inside or on the surface of a base material , wherein the base material is constituted by a group of soft magnetic alloy grains inter-bonded via oxide layers , and multiple crystal grains having different orientation axes are present in each soft magnetic alloy grain.2. A coil-type electronic component according to claim 1 , wherein the soft magnetic alloy contains iron claim 1 , chromium claim 1 , and silicate as its main ingredients.3. A coil-type electronic component according to claim 1 , wherein the soft magnetic alloy contains iron claim 1 , aluminum claim 1 , and silicate as its main ingredients.4. A coil-type electronic component according to claim 1 , wherein the base material has the soft magnetic alloy grains inter-bonded not via the oxide layers.5. A coil-type electronic component according to claim 1 , wherein the oxide layers have a two-layer structure where an outer layer is thicker than an inner layer.6. A coil-type electronic component according to claim 1 , wherein the surface of the outer layer of the oxide layer not inter-bonding the soft magnetic alloy grains has irregularities.7. A coil-type electronic component according to claim 1 , wherein the average size of the soft magnetic alloy grains is 5 to 30 μm in equivalent average grain size d50% (arithmetic mean).8. A coil-type electronic component according to claim 5 , wherein the main component of the inner layer is chromium oxide or aluminum oxide and the main component of the outer layer is iron-chromium oxide ...

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20-06-2013 дата публикации

LAMINATED TYPE INDUCTOR ELEMENT AND MANUFACTURING METHOD THEREFOR

Номер: US20130154785A1
Принадлежит: MURATA MANUFACTURING CO., LTD.

In a laminated inductor element, a magnetic ferrite layer sandwiched between two conductor patterns is thinner than other magnetic ferrite layers. Therefore, a crack occurs in the magnetic ferrite layer due to firing. As a result of the occurrence of this crack, a stress applied to each layer is relaxed, and it becomes possible to avoid warpage, a crack, or the like. In addition, in the laminated type inductor element, the two conductor patterns are electrically connected by two via holes, and subjected to a same potential. Since the two conductor patterns correspond to a same wiring pattern and a coil of coil conductor is defined by the two conductor patterns, even if upper and lower coil conductors are electrically in contact with each other due to the crack, the two conductor patterns are not put into a short-circuited state. 1. A laminated inductor element comprising:a laminated body including a plurality of layers including a magnetic substance and laminated on each other in a lamination direction; andan inductor including coil conductors provided between the plurality of layers of the laminated body and connected in the lamination direction; whereinin the lamination direction, at least one portion is provided in which an interval between the coil conductors is narrower than another interval, and coil conductors located over and under the at least one portion are electrically connected so as to be subjected to a same potential.2. The laminated inductor element according to claim 1 , wherein the coil conductors include conductive pastes including silver and fine powder in which an average particle diameter of silver particles is less than or equal to about 1 μm.3. The laminated inductor element according to claim 1 , wherein glass is added to the coil conductors.4. The laminated inductor element according to claim 2 , wherein glass is added to the coil conductors.5. The laminated inductor element according to claim 1 , wherein the plurality of layers of the ...

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20-06-2013 дата публикации

LAMINATED COMMON-MODE CHOKE COIL

Номер: US20130154786A1
Принадлежит: TAIYO YUDEN CO., LTD.

A laminated common-mode choke coil offering higher insulation reliability has a glass ceramic layer, two spiral internal conductors facing each other and sandwiching the glass ceramic layer in between, and insulation layers sandwiching the two internal conductors, wherein the glass ceramic layer contains segregated Al regions and the maximum dimension tof each segregated Al region in the glass ceramic layer, in the layer-thickness direction, is no more than 80% of the distance tbetween the two internal conductors. 1. A laminated common-mode choke coil having a glass ceramic layer , two spiral internal conductors facing each other and sandwiching the glass ceramic layer in between , and insulation layers sandwiching the two internal conductors; wherein the glass ceramic layer contains segregated Al regions where a concentration of Al is substantially higher than that in other areas of the glass ceramic layer , and a maximum dimension of each segregated Al region in the glass ceramic layer , in a layer-thickness direction , is no more than 80% of a distance between the two internal conductors.2. A laminated common-mode choke coil according to claim 1 , wherein the glass ceramic layer contains glass and filler and the content of Al in the glass is 0.05 to 5 percent by weight.3. A laminated common-mode choke coil according to claim 1 , wherein the internal conductors are made of a conductor material containing silver.4. A laminated common-mode choke coil according to claim 2 , wherein the internal conductors are made of a conductor material containing silver.5. A laminated common-mode choke coil according to claim 1 , wherein the distance between the two internal conductors is a thickness of the glass ceramic layer which is about 5μ to about 25 μm.6. A laminated common-mode choke coil according to claim 1 , wherein the segregated Al regions are reaction products of an Al component and alkali metal in the glass ceramic layer and conductor material diffused from the ...

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20-06-2013 дата публикации

COIL DEVICE

Номер: US20130154787A1
Принадлежит:

A coil device comprises a first bobbin having a first bobbin plate provided with a first hollow cylinder on which a primary coil is wound at the outer periphery, and a second bobbin mounted on the first bobbin and having a second bobbin plate provided with a second hollow cylinder on which a secondary coil is wound at the outer periphery. A winding center C of the primary coil and a winding center C of the secondary coil displace with a predetermined displacement (Lx) along a predetermined reference direction X. 1. A coil device comprisinga first bobbin provided with a first hollow cylinder on which a primary coil is wound at the outer periphery, anda second bobbin mounted on said first bobbin and provided with a second hollow cylinder on which a secondary coil is wound at the outer periphery, wherein;a winding center of said primary coil and a winding center of said secondary coil displace with a predetermined displacement (Lx) along a predetermined reference direction.2. The coil device as set forth in claim 1 , wherein;said first bobbin and said second bobbin are assembled so that a first through hole of said first hollow cylinder is connected with a second through hole of said second hollow cylinder,a middle leg of a ferrite core is inserted into these first through hole and second through hole, anda proportion (Lx/Lo) of said displacement (Lx) with respect to a reference length (LO) of the middle leg of said ferrite core along said reference direction is 0.05 to 0.30.3. The coil device as set forth in claim 2 , wherein;said ferrite core is composed of a first core and a second core which are divisible,a first middle leg of said first core fits into a first through hole of said first hollow cylinder,a second middle leg of said second core fits into a second through hole of said second hollow cylinder, anda combination of said first bobbin and said second bobbin is covered from the outside by base portions and side legs of said first core and second core.4. The ...

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20-06-2013 дата публикации

COIL COMPONENT

Номер: US20130154788A1
Принадлежит: SUMIDA CORPORATION

A coil component includes: a bar-like core; and a winding part formed of a conducting wire that is wound in a plurality of layers around the outer periphery of the core according to a solenoidal winding method. Winding collapse preventing shifts D to D each corresponding to a plurality of turns between an end part of a lower winding layer and an end part of an upper winding layer are respectively set to both end parts in the winding width direction of winding layers of the winding part. In transitioning from the lower winding layer to the upper winding layer, the conducting wire is turned back from the end part of the lower winding layer, and is obliquely wound in a small number of turns across each winding collapse preventing shift corresponding to the plurality of turns, and dense winding of the upper winding layer is started. 1. A coil component comprising:a bar-like core not including a flange part; anda winding part formed of a conducting wire that is wound in a plurality of layers around a longitudinal outer periphery of the core according to a solenoidal winding method while being turned back sequentially from a lower layer to an upper layer,the coil component further comprising a winding collapse preventing shift corresponding to a plurality of turns between an end part of a lower winding layer and an end part of an upper winding layer, the winding collapse preventing shift being set to each end part in a winding width direction of each winding layer of the winding part, whereinin a case of transition from the lower winding layer to the upper winding layer, the conducting wire is turned back from the end part of the lower winding layer, and is obliquely wound in a small number of turns across the winding collapse preventing shift corresponding to the plurality of turns, and dense winding of the upper winding layer is started.2. The coil component according to claim 1 , whereinthe conducting wire is dividedly wound in the winding part, andthe conducting wire ...

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27-06-2013 дата публикации

INDUCTION ELEMENT AND INDUCTION DEVICE

Номер: US20130162383A1
Автор: MOISEEV Sergey
Принадлежит: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI

The induction element includes an insulating substrate, a coil, a core and an insulating projection or a groove. The coil is formed on at least a surface of the insulating substrate. The core has a part around which the coil is wound. The insulating projection or the groove is formed on or in the surface of the insulating substrate between the coil and the core. 1. An induction element comprising:an insulating substrate;a coil formed on at least a surface of the insulating substrate;a core having a part around which the coil is wound; andan insulating projection or a groove formed on or in the surface of the insulating substrate between the coil and the core.2. The induction element according to claim 1 , wherein the insulating projection is circular in cross-section.3. The induction element according to claim 1 , wherein the insulating projection is triangular in cross-section.4. The induction element according to claim 1 , wherein the insulating projection has a double projection.5. The induction element according to claim 1 , wherein the insulating projection is formed by fitting an insulating member through a hole that extends through the insulating substrate.6. An induction device comprising:a case;an insulating substrate fixed in the case;a coil formed on at least a surface of the insulating substrate;a core located in the case and having a part around which the coil is wound;a pressing member for fixing the core to the case; andan insulating projection or a groove formed on or in the surface of the insulating substrate between the coil and the case. The present invention relates to an induction element and an induction device.In the transformer disclosed by Japanese Unexamined Utility Model Application Publication No. 6-9111, a coil provided by a conductive pattern is formed on the surface of a printed-circuit board and a sub-board is located over the coil. A coil provided by a conductive pattern is formed on the surface of the sub-board. An upper core and a ...

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04-07-2013 дата публикации

POWER INDUCTOR AND METHOD OF MANUFACTURING THE SAME

Номер: US20130169401A1
Принадлежит: SAMSUNG ELECTRO-MECHANICS CO., LTD.

There is provided a power inductor including: a lower substrate formed of a magnetic material; an inductor main body formed on an upper surface of the lower substrate; at least one coil portion including a conductive via and formed inside the inductor main body; and external electrodes formed at both ends of the inductor main body and electrically connected to the at least one coil portion. 1. A power inductor comprising:a lower substrate formed of a magnetic material;an inductor main body formed on an upper surface of the lower substrate;at least one coil portion including a conductive via and formed inside the inductor main body; andexternal electrodes formed at both ends of the inductor main body and electrically connected to the at least one coil portion.2. The power inductor of claim 1 , wherein the upper surface of the lower substrate is closely connected to a lower portion of the at least one coil portion.3. The power inductor of claim 1 , wherein the lower substrate is formed of one selected from the group consisting of a silicon steel sheet claim 1 , permalloy including 80 weight % of Ni and 20 weight % of Fe claim 1 , sendust including 85 weight % of Fe claim 1 , 9 weight % of Si and 6 weight % of Al claim 1 , ferrite claim 1 , and prepreg.4. The power inductor of claim 1 , wherein the lower substrate and the at least one coil portion have a lower cover layer interposed therebetween claim 1 , andthe lower cover layer is formed of a mixture of ferritic or magnetic metal powder and a polymer.5. The power inductor of claim 4 , wherein the magnetic metal powder includes at least one selected from the group consisting of Fe—Ni claim 4 , amorphous Fe claim 4 , Fe claim 4 , and Fe—Cr—Si.6. The power inductor of claim 4 , wherein the polymer includes at least one selected from the group consisting of epoxy claim 4 , polyimide claim 4 , and liquid crystal polymer (LCP).7. The power inductor of claim 1 , wherein the at least one coil portion has an insulation layer ...

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11-07-2013 дата публикации

Power Management Module and Method of Manufacture

Номер: US20130175664A1
Принадлежит:

A power management module, provides an inductor including one or more electrical conductors disposed around a ferromagnetic ceramic element including one or more metal oxides having fluctuations in metal-oxide compositional uniformity less than or equal to 1.50 mol % throughout the ceramic element. 1. A power management module , comprising:and inductor including one or more electrical conductors disposed around a ferromagnetic ceramic element including one or more metal oxides having fluctuations in metal-oxide compositional uniformity less than or equal to 1.50 mol % throughout said ceramic element.2. The module of claim 1 , wherein said inductor exhibits an inductance anywhere over the range of 0.1 pH to 500 nH.342. The module of claim 1 , wherein said one or more metal oxides have a body-centered cubic crystalline phase claim 1 , that includes iron oxide (FeO) and amounts of one or more of: cobalt monoxide (CoO) claim 1 , nickel oxide (NiO) claim 1 , zinc oxide (ZnO) claim 1 , manganese oxide (MnO) claim 1 , copper oxide (CuO) claim 1 , vanadium oxide (VO) claim 1 , magnesium oxide (MgO) and lithium oxide (LiO) The electrical component of claim claim 1 , wherein one metal oxide of said one or more metal oxides is silicon oxide (SiO) and said ceramic element adopts a rhombic dodecahedron or rhombic trapezohedron crystalline phase claim 1 , and the other metal oxides include amounts of one or more of: aluminum oxide (AlO) claim 1 , iron oxide (FeO) claim 1 , chromium oxide (CrO) claim 1 , vanadium oxide (VO) claim 1 , zirconium oxide (ZrO) claim 1 , titanium oxide (TiO) claim 1 , silicon oxide (SiO) claim 1 , yttrium oxide (YO) claim 1 , cobalt oxide (COO) claim 1 , gadolinium oxide (GdO) neodymium oxide (NdO) and holmium oxide (HoO).4. The module of claim 1 , wherein said one or more additional electrical conductors form a coil around said ceramic element.5. The module of claim 1 , wherein said one or more additional electrical conductors include a multiplicity of ...

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11-07-2013 дата публикации

SOLENOIDAL MAGNETS COMPOSED OF MULTIPLE AXIALLY ALIGNED COILS

Номер: US20130176090A1
Принадлежит:

A magnet assembly has a number of axially-aligned coils, the radial mid-point of each coil being axially-aligned with a portion of a radial extent of an adjacent coil in the assembly. Compression blocks are provided between adjacent coils at circumferential intervals, to retain the coils in fixed relative positions. 138.-. (canceled)39. A magnet assembly comprising:a plurality of coils, each of said coils being formed by multiple turns of wire embedded within an impregnating material, and each of said coils having a radial thickness having a mid-point;said coils in said plurality of coils being axially aligned with respect to each with the mid-point of the radial thickness of each coil being axially aligned with a part of the radial thickness of an adjacent coil; andcompression blocks respectively provided between adjacent coils and configured to retain the coils in said plurality of coils in fixed relative positions with respect to each other, each compression block having opposing faces respectively in contact with adjacent coils at circumferential intervals, said compression blocks being separated by radial voids.40. A magnet assembly as claimed in wherein said coils and said compression blocks are impregnated with a hardened material.41. A magnet assembly as claimed in wherein said compression blocks are formed of a composite material comprising filler material impregnated with said hardened material claim 40 , and wherein said coils and said compression blocks form a monolithic structure of said hardened material.42. A magnet assembly as claimed in wherein said compression block comprise stress-increasing features that facilitate selective removal of the compression blocks.43. A magnet assembly as claimed in wherein a wire connected to at least one of said coils proceeds through an adjacent compression block to an adjacent coil.44. A magnet assembly as claimed in wherein said wire has a configuration comprising:a first layer of said wire wound on a first coil; ...

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25-07-2013 дата публикации

Core for wire-wound component and manufacturing method thereof and wire-wound component made therewith

Номер: US20130186995A1
Принадлежит: TAIYO YUDEN CO LTD

A drum core for a wire-wound component having a pair of flange parts provided on both ends of an axis core around which a winding wire is wound, with tapered surfaces of roughly conical shape formed on their facing inner surfaces in such a way that the interval of the inner surfaces increases toward the outer sides of the flange parts. The flange parts have roughly a rectangular shape and the sides along which their long side faces contact the tapered surfaces have the curved shapes that convex roughly at the center. The curved shapes make the height of the corners of the flange parts from the reference surface lower than the height of the convex parts of the curved shapes from the reference surface, and the loads received by the wire during winding are reduced as a result.

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25-07-2013 дата публикации

SOLENOID COIL WITH REVERSE TURN

Номер: US20130187518A1
Автор: Bradfield Michael D.
Принадлежит: REMY TECHNOLOGIES LLC

A solenoid arrangement includes a plunger configured to move in an axial direction and a coil wound radially outward from the plunger. The coil includes a first winding layer and at least one additional winding layer positioned radially outward from the first winding layer. The first winding layer includes a first portion wound in a first winding direction and a second portion wound in a second winding direction that is opposite the first winding direction. The at least one additional winding layer is wound in the second winding direction radially outward from both the first portion and the second portion of the first winding layer.. 1. A solenoid arrangement comprising:a plunger configured to move in an axial direction;a coil wound radially outward from the plunger, the coil including a first winding layer and at least one additional winding layer positioned radially outward from the first winding layer, the first winding layer including a first portion wound in a first winding direction and a second portion wound in a second winding direction that is opposite the first winding direction, the at least one additional winding layer wound in the second winding direction radially outward from both the first portion and the second portion of the first winding layer.2. The solenoid of further comprising a coil retaining surface positioned between the plunger and the coil claim 1 , the coil wound on the coil retaining surface.3. The solenoid of wherein the coil retaining surface is provided on a cylindrical member of a spool.4. The solenoid of further comprising a projection positioned on the coil retaining surface claim 2 , wherein the coil engages the projection in such a manner that a winding direction of the coil is reversed from the first winding direction to the second winding direction at the projection.5. The solenoid of wherein the projection is a tab extending radially outward from the coil retaining surface.6. The solenoid of wherein the tab and coil retaining ...

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25-07-2013 дата публикации

Electrical apparatus having a thermally conductive bobbin

Номер: US20130187738A1
Принадлежит: Hamilton Sundstrand Corp

An electrical apparatus includes a magnetic core, and a bobbin extending about and partially covering the magnetic core. The bobbin is formed from a thermally conductive material. An electrical conductor forms a winding that wraps about the bobbin.

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08-08-2013 дата публикации

MULTI-LAYER-MULTI-TURN STRUCTURE FOR HIGH EFFICIENCY INDUCTORS

Номер: US20130200968A1
Принадлежит:

A multi-layer, multi-turn structure for an inductor having a plurality of conductor layers separated by layers of insulator is described. The inductor further comprises a connector electrically connected between the conductor layers. The structure of the inductor may comprise a cavity therewithin. The structure of the inductor constructed such that electrical resistance is reduced therewithin, thus increasing the efficiency of the inductor. The inductor is particularly useful at operating within the radio frequency range and greater. 1. An inductor comprising:a first conductor layer;a second conductor layer spaced apart from the first conductor layer, the first conductor layer and the second conductor layer being electrically conductive;an insulator layer positioned in the space between the first conductor layer and the second conductor layer;at least two connectors electrically connecting the first conductor layer and the second conductor layer in parallel, wherein each connector has an electrical impedance; andwherein when an electrical current is propagated within at least the first conductor layer a magnetic flux is generated within the inductor when a change in at least one of a frequency, a magnitude, or a waveform shape of the propagated electrical current.2. The inductor of wherein an electromotive force is generated when at least one of the frequency claim 1 , the magnitude claim 1 , or the waveform shape is changed.3. The inductor of wherein a magnitude of the magnetic flux is proportional to the amount of change of at least one of the frequency claim 2 , the magnitude claim 2 , or the waveform shape of the electrical current.4. The inductor of wherein claim 1 , an electrical resistance of at least one of the first conductor layer or the second conductor layer is reducable when a cross-sectional area of a conducting skin depth within at least the first conductor layer or the second conductor layer is increased claim 1 , wherein the increased cross- ...

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08-08-2013 дата публикации

MULTI-LAYER-MULTI-TURN STRUCTURE FOR TUNABLE HIGH EFFICIENCY INDUCTORS

Номер: US20130200969A1
Принадлежит:

A multi-layer, multi-turn structure for an inductor having a plurality of conductor layers separated by layers of insulator is described. The inductor further comprises a connector electrically connected between the conductor layers. The structure of the inductor may comprise a cavity therewithin. The structure of the inductor constructed such that electrical resistance is reduced therewithin, thus increasing the efficiency of the inductor. The inductor is particularly useful at operating within the radio frequency range and greater. 1. An inductor comprising:a first conductor layer;a second conductor layer spaced apart from the first conductor layer, the first conductor layer and the second conductor layer being electrically conductive;an insulator layer positioned in the space between the first conductor layer and the second conductor layer;at least two connectors electrically connecting the first conductor layer and the second conductor layer in parallel, wherein each connector has an electrical impedance;wherein when an electrical current is propagated within at least the first conductor layer a magnetic flux is generated within the inductor when a change in at least one of a frequency, a magnitude, or a waveform shape of the propagated electrical current; andwherein the inductor comprises a selectable inductor quality factor.2. The inductor of wherein an electromotive force is generated when at least one of the frequency claim 1 , the magnitude claim 1 , or the waveform shape is changed.3. The inductor of wherein a magnitude of the magnetic flux is proportional to the amount of change of at least one of the frequency claim 2 , the magnitude claim 2 , or the waveform shape of the electrical current.4. The inductor of wherein claim 1 , an electrical resistance of at least one of the first conductor layer or the second conductor layer is reducable when a cross-sectional area of a conducting skin depth within at least the first conductor layer or the second ...

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22-08-2013 дата публикации

CHIP-TYPE COIL COMPONENT

Номер: US20130214891A1
Автор: MAEDA Tomoyuki
Принадлежит: MURATA MANUFACTURING CO., LTD.

A chip-type coil component capable of reducing the resistance of the coil while minimizing a decrease in the inductance of the coil includes magnetic layers composed of a multilayer body. The chip-type coil component further includes internal electrodes laminated on the magnetic layers. The internal electrodes are connected to each other to form a coil. The chip-type coil component further includes an auxiliary internal electrode laminated on each of the magnetic layers. Each auxiliary internal electrode is connected in parallel to the internal electrode laminated on the magnetic layer that is different from the magnetic layer on which the auxiliary internal electrode is laminated.

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29-08-2013 дата публикации

ELECTRONIC COMPONENT AND METHOD OF MANUFACTURING THE SAME

Номер: US20130222105A1
Принадлежит: MURATA MANUFACTURING CO., LTD.

Provided is an electronic component that can suppress the occurrence of disconnections between line conductor layers and via hole conductors and a method of manufacturing the electronic component. A multilayer body is formed by stacking insulating layers. A conductor layer is provided on a first insulating layer. A line conductor layer is provided on a second insulating layer that is provided on an upper side of the first insulating layer in a stacking (z-axis) direction. A via hole conductor connects an end portion of the line conductor layer to the conductor layer and extends through the second insulating layer in the z-axis direction. In the via hole conductor, a connection surface connected to the line conductor layer is formed of a circular portion and a protrusion. The protrusion protrudes from the circular portion in the x-axis direction in which the line conductor layer extends from the end portion. 1. An electronic component comprising:a multilayer body formed by stacking a plurality of insulating layers including a first insulating layer and a second insulating layer;a conductor layer provided on the first insulating layer;a line conductor layer provided on the second insulating layer, which is provided on an upper side of the first insulating layer in a stacking direction; anda via hole conductor that connects an end portion of the line conductor layer to the conductor layer and that extends through the second insulating layer in the stacking direction,wherein, in the via hole conductor, a connection surface connected to the line conductor layer is formed of a circular portion and a protrusion, andwherein the protrusion protrudes from the circular portion towards a first direction in which the line conductor layer extends from the end portion.2. The electronic component according to claim 1 , wherein the protrusion has a triangular shape.3. The electronic component according to claim 2 , wherein an angle of an apex of the protrusion is larger than or ...

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19-09-2013 дата публикации

METHOD FOR MANUFACTURING COMMON MODE FILTER AND COMMON MODE FILTER

Номер: US20130241684A1
Принадлежит: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Disclosed herein are a method for manufacturing common mode filter and a common mode filter. The method includes: performing electroplating on first coil patterns made of a conductive material to form second coil patterns having a cross-sectional area increased as compared to the first coil patterns. Therefore, the common mode filter fulfilling a miniaturization demand and having the improved characteristics such as the inductance, the DC resistance, and the like, may be implemented. 1. A method for manufacturing a common mode filter , the method comprising:performing electroplating on first coil patterns made of a conductive material to form second coil patterns having a cross-sectional area increased as compared to the first coil patterns.2. The method according to claim 1 , further comprising performing wet etching on a product obtained by performing the electroplating on the first coil pattern.3. A method for manufacturing a common mode filter claim 1 , the method comprising:applying power to a lead wire electrically connected to one end of each of a plurality of first coil patterns made of a conductive material and performing electroplating to form a plurality of second coil patterns having a cross-sectional area increased as compared to the plurality of first coil patterns.4. The method according to claim 3 , further comprising claim 3 , after the forming of the plurality of second coil patterns claim 3 , performing a dicing process so that the plurality of second coil patterns are separated from each other claim 3 , respectively claim 3 ,wherein the dicing process is performed along a dicing line set so that the lead wire is separated from one end of each of the plurality of second coil patterns.5. The method according to claim 3 , further comprising claim 3 , after the performing of the wet etching on the product obtained by performing the electroplating claim 3 , performing a dicing process so that the plurality of second coil patterns are separated from ...

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24-10-2013 дата публикации

Coil unit, substrate unit and power supply device

Номер: US20130278373A1
Принадлежит: TDK Corp

In the coil unit 1 A of the power supply device 1 , the U-shaped plate 51 C constituting the U-shaped terminal 50 is used to electrically connect the print-coil substrates 30, 40 . Further, the print-coil substrates 30, 40 constituting the coil unit 1 A can be connected to the main circuit substrate 20 also by using the U-shaped terminal 50 . Here, the print-coil substrate 30 is connected to the print-coil substrate 40 by using the U-shaped terminal 50 , by which soldering for fixing the U-shaped terminal 50 is performed from the lower face side of the print-coil substrate 30 . Therefore, as compared with a conventional constitution where soldering is performed from both sides of the stacked print-coil substrates, the print coils can be connected by soldering only from one side face, thus making it possible to reduce the amount of work necessary for connecting the print coils.

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07-11-2013 дата публикации

Magnetic device having thermally-conductive bobbin

Номер: US20130293330A1
Принадлежит: Delta Electronics Inc

A magnetic device includes a thermally-conductive bobbin and a winding coil. The thermally-conductive bobbin has a winding section. The winding coil is wound around the winding section. The heat generated from the winding coil is dissipated away through the thermally-conductive bobbin.

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14-11-2013 дата публикации

METHOD OF MANUFACTURING COIL ELEMENT AND COIL ELEMENT

Номер: US20130300527A1
Принадлежит: SAMSUNG ELECTRO-MECHANICS CO., LTD.

The present invention relates to a method of manufacturing a coil element and a coil element, which include a process of forming, aligning, and coupling a first auxiliary layer and a second auxiliary layer of which coil portions formed of a plating pattern are disposed on a substrate or an insulating layer, and it is possible to overcome limitations due to collapse or deformation of a photoresist pattern even when forming a fine-pitch fine conductor coil with a high aspect ratio by applying a plating method using a photoresist pattern. 1. A method of manufacturing a coil element , comprising:forming a first auxiliary layer and a second auxiliary layer of which coil portions formed of a plating pattern are disposed on a substrate;aligning the first auxiliary layer and the second auxiliary layer so that an upper surface of the coil portion of the first auxiliary layer and an upper surface of the coil portion of the second auxiliary layer are adjacent to each other while facing each other; andforming a conductive coupling portion between the upper surface of the coil portion of the first auxiliary layer and the upper surface of the coil portion of the second auxiliary layer.2. The method of manufacturing a coil element according to claim 1 , wherein the first auxiliary layer and the second auxiliary layer are formed by comprising:forming a seed layer on the substrate;forming a photoresist pattern on a surface of the seed layer;forming a plating layer by plating the seed layer;removing the photoresist pattern; andforming the coil portion by removing a seed residue, a portion in which the plating layer is not formed, from the seed layer.3. The method of manufacturing a coil element according to claim 1 , wherein the first auxiliary layer and the second auxiliary layer are formed by comprising:forming an insulating layer on the substrate;forming a seed layer on a surface of the insulating layer;forming a photoresist pattern on a surface of the seed layer;forming a plating ...

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14-11-2013 дата публикации

Coil structure and electromagnetic component using the same

Номер: US20130300529A1
Принадлежит: Cyntec Co Ltd

An electromagnetic component including a multi-layer, spiral coil structure embedded in a molded body is disclosed. Each layer of the coil structure makes approximately one and a quarter turns of a winding. Each layer of the coil structure has a loose middle segment, two slim end segments overlapping each other with a spacing therebetween, and tapered neck segments respectively connecting the loose middle segment with the two slim end segments.

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28-11-2013 дата публикации

COIL COMPONENT AND METHOD OF MANUFACTURING THE SAME

Номер: US20130314189A1
Принадлежит: TDK Corporation

Disclosed herein is a coil component that includes an insulating layer formed on a substrate, a coil conductor provided between the substrate and the insulting layer, a first electrode connected to one end of the coil conductor, a second electrode connected to the other end of the coil conductor, and a magnetic layer formed on the insulting layer so as to cover a side surface of each of the first and second electrodes without covering a top surface of each of the first and second electrodes. 116.-. (canceled)17. A coil component comprising:a magnetic substrate made of magnetic ceramic material;a thin-film coil layer containing a coil conductor formed on a principal surface of the magnetic substrate;a plurality of bump electrodes formed on a principal surface of the thin-film coil layer; andan insulating resin layer formed on the principal surface of the thin-film coil layer excluding formation positions of the bump electrodes, whereinthe magnetic substrate, the thin-film coil layer and the insulating resin layer form a layered product,each of the bump electrodes has an exposure surface on a bottom surface and on two side surfaces of the layered product,the thin-film coil layer contains a plurality of terminal electrodes of the coil conductor,each of the terminal electrodes is connected to a corresponding one of the bump electrodes and has an exposure surface on at least one of the two side surfaces of the layered product, andeach of the terminal electrodes has smaller in size than the corresponding one of the bump electrodes in planar view.18. The coil component as claimed in claim 17 , whereinthe layered product has a plurality of corner portions that are free from any one of the terminal electrodes.19. The coil component as claimed in claim 17 , whereineach of the terminal electrodes has the exposure surface on both of the two side surfaces of the layered product.20. The coil component as claimed in claim 17 , whereineach of the terminal electrodes includes a ...

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28-11-2013 дата публикации

COIL DEVICE, AND METHOD FOR PRODUCING SAME

Номер: US20130314191A1
Автор: Bechler Matthias
Принадлежит: ETO MAGNETIC GMBH

A coil device () comprising a coil winding () for an electromagnetic actuating device or an electromagnetic sensor, having a winding wire () which has an insulating element and which is ran to at least one contacting element () that is designed as a metal part, in particular a stamped part, and a stripped section of the winding wire is received at the contacting element between the contacting element () and a metal cover () and fused to the contacting element (). A recess () is impressed into the contacting element (), the recess receiving the winding wire () in some sections and being designed with a winding wire inlet geometry. 113-. (canceled)14. A coil device comprising a coil winding having an insulated winding wire which is led to at least one contacting element wherein a stripped section of the winding wire is received at the contacting element between the contacting element and a metal cover and is fused to the contacting element , the contacting element has a recess , said recess receives the winding wire sectionally and being designed with a winding wire inlet geometry.15. The coil device according to claim 14 , wherein a recess cross section is constructed tapering in the direction to an end of the winding wire associated with the contacting element.16. The coil device according to claim 15 , wherein the metal cover has a lower surface side free of impression claim 15 , facing the winding wire stripped section received in the recess facing away from the winding wire section.17. The coil device according to claim 14 , wherein the contacting element is secured on a plastic carrier carrying the coil winding claim 14 , and is bent outside the plastic carrier through up to 90°.18. The coil device according to claim 14 , wherein the metal cover is a metal plate separate from the contacting element before fusing and is bent into the position covering the recess.19. An electromagnet actuating device comprising a coil device comprising a coil winding having an ...

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05-12-2013 дата публикации

SUBSTRATE-BASED INDUCTIVE DEVICES AND METHODS OF USING AND MANUFACTURING THE SAME

Номер: US20130323974A1
Принадлежит:

Low-cost and high-precision inductive devices and methods of manufacturing and using the same. In one embodiment, the inductive device comprises a substrate-based inductive device which utilizes inserted conductive pins in combination with plated substrates which replace windings disposed around a magnetically permeable core. In some variations, these substrate-based inductive devices are integrated into a discrete electronic device. In another embodiment, the substrate-based inductive devices are incorporated into integrated connector modules. Methods of manufacturing and utilizing the aforementioned discrete substrate-based inductive devices and substrate-based integrated connector modules are also disclosed. 1. A substrate inductive device , comprising:a first substrate comprised of a first plurality of apertures;a second substrate comprised of a second plurality of apertures;one or more cores disposed between the first and second substrates; anda plurality of conductive wires, the conductive wires joining respective ones of the first apertures with the second apertures, thereby fowling the substrate inductive device.2. The substrate inductive device of claim 1 , further comprising a third substrate comprised of a third plurality of apertures and a fourth substrate comprised of a fourth plurality of apertures;one or more cores disposed between the third and fourth substrates; anda plurality of conductive wires, the conductive wires joining respective ones of the third apertures with the fourth apertures, thereby forming a portion of the substrate inductive device.3. The substrate inductive device of claim 2 , further comprising a spacer element claim 2 , the spacer element separating the first and second substrates from the third and fourth substrates.4. The substrate inductive device of claim 3 , wherein the spacer element also serves an alignment function for at least one of the first and second substrates and at least one of the third and fourth substrates.5. ...

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12-12-2013 дата публикации

MICROFABRICATED MAGNETIC DEVICES AND ASSOCIATED METHODS

Номер: US20130328165A1
Принадлежит:

A magnetic device includes a semiconductor wafer, a spiral winding, and a magnetic core. The spiral winding forms a plurality of turns and is disposed in a channel of the semiconductor wafer. The magnetic core is disposed at least partially in the channel of the semiconductor wafer and at least partially surrounds the plurality of turns. A width of the spiral winding optionally varies such that a respective width of an edge turn is smaller than a respective width of a middle turn. The channel is formed, for example, by a method including (1) patterning a resist layer on the semiconductor wafer using a mask including angularly extending compensation features, and (2) anistropically etching the semiconductor wafer to form the channel. 1. A magnetic device , comprising:a magnetic core;a planar winding wound through the magnetic core and forming at least first and second turns around a center axis; anda width of the planar winding varying between the first and second turns along a radial direction extending away from the center axis, such that a width of the first turn is smaller than a width of the second turn.2. The magnetic device of claim 1 , the planar winding further forming a third turn around the center axis claim 1 , a width of the third turn being smaller than the width of the second turn claim 1 , the second turn being disposed between the first and third turns in the radial direction.3. The magnetic device of claim 2 , the magnetic core comprising:opposing top and bottom portions; andopposing inner and outer sidewalls connecting the top and bottom portions;4. The magnetic device of claim 3 , the inner and outer sidewalls sloping in opposite directions.5. A magnetic device claim 3 , comprising:a first semiconductor wafer;a first spiral winding forming a first plurality of turns and disposed in a first channel of the first semiconductor wafer; anda magnetic core disposed at least partially in the first channel of the first semiconductor wafer and at least ...

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12-12-2013 дата публикации

TRANSFORMER WITH PLANAR PRIMARY WINDING

Номер: US20130328655A1
Принадлежит:

A transformer, such as a current sense transformer, in which conductive traces disposed within a printed circuit board serve as the primary winding of the transformer. The transformer also includes a secondary winding, for example wound around a hollow pin of a bobbin, through which a leg of a magnetic core is disposed. The magnetic core leg, and in some embodiments also all or a part of the secondary winding, is inserted into a through-hole in the printed circuit board that is surrounded by the primary winding traces. 1. A transformer , comprising:a first winding comprised of at least one conductive trace surrounding a first through-hole in a printed circuit board;a magnetic core element comprising a top member, a bottom member, and first and second legs extending between the top and bottom plates and through respective ones of first and second through-holes in the printed circuit board, the top and bottom plates of the magnetic core element disposed on opposite sides of the printed circuit board;a second winding concentric with a portion of the magnetic core element; andfirst and second leads connected to respective ends of the second winding.2. The transformer of claim 1 , wherein the second winding comprises a wire winding having a selected number of turns encircling the first leg of the magnetic core element.3. The transformer of claim 2 , wherein at least some of the selected number of turns of the second winding are disposed within the first through-hole of the printed circuit board.4. The transformer of claim 3 , wherein all of the selected number of turns of the second winding are disposed within the first through-hole of the printed circuit board.5. The transformer of claim 2 , further comprising:a bobbin having a base disposed on one side of the printed circuit board and supporting the first and second leads, and having a hollow pin element extending from the base and disposed within the first through-hole, the second winding disposed on an outer surface ...

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19-12-2013 дата публикации

Rotor of rotating electrical machine, and rotating electrical machine provided with same

Номер: US20130334918A1
Принадлежит: Mitsubishi Electric Corp

A rotor of a rotating electric machine according to the present invention is configured in such a way that a conductor wire 40 is wound around a bobbin 50 having first and second latching sections 60 and 61 provided in such a way as to extend radially outward from first and second flange sections 51 and 52, respectively, provided respective axis-direction ends of a winding section 59, and includes a magnetic-field coil 15 in which a winding-end section 41 of the conductor wire 40 is wound and latched around the second latching section 61 and in which a lead wire 42 drawn from the winding-end section 41 of the conductor wire 40 by way of the second latching section 61 is wound and latched around the first latching section 60; the radial-direction length of the second latching section 61 is shorter than the radial-direction length of the first latching section 60.

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19-12-2013 дата публикации

Electromagnetic component and fabrication method thereof

Номер: US20130335186A1
Принадлежит: Cyntec Co Ltd

An electromagnetic component includes a coil portion with a multi-layer stack structure, a molded body encapsulating the coil portion, and two electrodes respectively coupled to two terminals of the coil portion. The coil portion is fabricated using plating, laminating and/or pressing manufacturing techniques.

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26-12-2013 дата публикации

WIRE WINDING DEVICE AND METHOD FOR MANUFACTURING SAME

Номер: US20130342303A1
Автор: Mori Ryutaro
Принадлежит:

Provided are a wire wound device that can minimize the flow of magnetic fluxes into gaps between the adjacent encircling conductor parts and achieve high efficiency, even if no magnetic core formed from a magnetic substance is inserted, and also a method for manufacturing the device, the wire wound device comprising: a winding having a plurality of encircling conductor parts made of a conductive substance upon a predetermined winding pattern; and an insulation layer interposed between a pair of encircling conductor parts adjacent to each other among the plurality of encircling conductor parts constituting the winding, the insulation layer comprising an insulating substance formed by performing a non-conductive process of a diamagnetic conductive substance. 135-. (canceled)36. A wire wound device comprising:a winding having a plurality of encircling conductor parts made of a conductive substance upon a predetermined winding pattern; andan insulation layer interposed between a pair of encircling conductor parts adjacent to each other among the plurality of encircling conductor parts forming the winding, the insulation layer comprising an insulating substance formed by performing a non-conductive process of a diamagnetic conductive substance.37. The wire wound device according to claim 36 , wherein the diamagnetic conductive substance before performing the non-conductive process claim 36 , to be formed to the insulation layer claim 36 , and the conductive substance constituting the encircling conductor parts is the same.38. The wire wound device according to claim 37 , wherein the insulation layer is formed by applying the non-conductive process to a predetermined area adjacent to an encircling conductor part side of the conductive substance to be formed to the encircling conductor parts.39. The wire wound device according to claim 36 , wherein the non-conductive process comprises a chemical transforming process for limiting free movement of outermost shell electrons ...

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02-01-2014 дата публикации

Spiral near field communication (nfc) coil for consistent coupling with different tags and devices

Номер: US20140002225A1
Принадлежит: Intel Corp

This document discloses one or more systems, apparatuses, methods, etc. for integrating a spiral near field communications (NFC) coil antenna to a portable device for consistent coupling with different tags and devices.

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02-01-2014 дата публикации

MAGNETIC DEVICE AND METHOD OF MANUFACTURING THE SAME

Номер: US20140002227A1
Принадлежит: CYNTEC CO., LTD.

A magnetic device comprises a lead frame, a first core body and a coil. The lead frame has a first portion and a second portion spaced apart from the first portion. A first core body is disposed on the lead frame, wherein the first core body comprises a first through opening and a second through opening. A coil is disposed on the first core body, wherein the coil has a first terminal and a second terminal, wherein the first portion is electrically connected with the first terminal via the first through opening, and the second portion is electrically connected with the second terminal via the second through opening, respectively. 1. A magnetic device , comprising:a lead frame having a first portion and a second portion spaced apart from the first portion;a first core body disposed on the lead frame, wherein the first core body comprises a first through opening and a second through opening; anda coil disposed on the first core body, wherein the coil has a first terminal and a second terminal, wherein the first portion is electrically connected with the first terminal via the first through opening, and the second portion is electrically connected with the second terminal via the second through opening, respectively.2. The magnetic device according to claim 1 , wherein the first portion comprises a first protrusion and the second portion comprises a second protrusion claim 1 , wherein the first protrusion is connected with the first terminal through the first through opening claim 1 , and the second protrusion is connected with the second terminal through the second through opening claim 1 , respectively.3. The magnetic device according to claim 1 , wherein a first conductive pillar is disposed in the first through opening to connect the first portion with the first terminal claim 1 , and a second conductive pillar is disposed in the second through opening to connect the second portion with the second terminal claim 1 , respectively.4. The magnetic device according to ...

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09-01-2014 дата публикации

Electromagnetic brake

Номер: US20140008159A1
Принадлежит: Kone Corp

An electromagnetic brake and a method for manufacturing an electromagnetic brake are disclosed. The electromagnetic brake includes a coil former, a coil, which is fitted on the coil former, and also an electrically connecting part, which is equipped to make an electrically conductive contact between the coil and the power supply cable supplying current to the electromagnetic brake.

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30-01-2014 дата публикации

MAGNETIC FIELD MANIPULATION DEVICES

Номер: US20140028425A1

Magnetic field manipulation devices and magnetic actuators are disclosed. In one embodiment, a magnetic field manipulation device includes an iron base substrate having a surface, and at least four electrically conductive loops embedded in the surface of the iron substrate. The at least four electrically conductive loops are electrically coupled to one another, and are arranged in the surface of the iron substrate such that the magnetic field manipulation device diverges magnetic flux lines of a magnetic field generated by a magnetic field source positioned proximate the magnetic field manipulation device. In another embodiment, the at least four electrically conductive loops are electrically isolated such that the magnetic field manipulation device converges magnetic flux lines of a magnetic field generated by a magnetic field source positioned proximate the magnetic field manipulation device. 1. A magnetic field manipulation device comprising:an iron substrate comprising a surface; andat least four electrically conductive loops embedded in the surface of the iron substrate, wherein the at least four electrically conductive loops are arranged in the surface of the iron substrate such that the magnetic field manipulation device alters magnetic flux lines of a magnetic field generated by a magnetic field source positioned proximate the magnetic field manipulation device.2. The magnetic field manipulation device of claim 1 , wherein:the at least four electrically conductive loops are electrically coupled to one another; andthe at least four electrically conductive loops are arranged in the surface of the iron substrate such that the magnetic field manipulation device diverges magnetic flux lines of the magnetic field generated by the magnetic field source positioned proximate the magnetic field manipulation device.3. The magnetic field manipulation device of claim 2 , wherein the magnetic field manipulation device diverges magnetic flux lines such that a magnetic ...

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30-01-2014 дата публикации

MULTILAYERED CHIP-TYPE POWER INDUCTOR AND A PRODUCTION METHOD THEREFOR

Номер: US20140028429A1
Автор: Sinn Dongsook
Принадлежит: FCELL TECH CO., LTD

The present invention relates to a multilayered chip-type power inductor and to a production method therefor. A multilayered chip-type power inductor is disclosed which comprises: a ferrite magnetic body layer formed from Mn—Zn based or Mn—Mg—Zn based ferrite; an internal electrode which is formed from copper, and is formed in the shape of a coil on the inside of the ferrite magnetic body layer; and an external electrode which is formed either on two side surfaces or on the upper and lower surfaces of the ferrite magnetic body layer, and is electrically connected to the internal electrode that is exposed either on the two sides surfaces or on the upper and lower surfaces of the ferrite magnetic body layer. Also, disclosed is a multilayered chip-type power inductor production method comprising: a green laminate forming step involving the lamination of green compacts comprising internal electrodes which are formed by moulding a Mn—Zn based or Mn—Mg—Zn based ferrite powder into a sheet shape and printing copper onto the surface thereof; a green laminate sintering step in which a sintered laminate is formed by sintering the green laminate in a reducing atmosphere; and a step of forming external electrodes by forming external electrodes that are respectively connected to the internal electrode that is exposed either on two side surfaces or on the upper and lower surfaces of the sintered laminate. 1. A multilayered chip-type power inductor comprising;a plurality of staked ferrite magnetic layers made of Mn—Zn based ferrite or Mn—Mg—Zn based ferrite;an internal electrode made of copper, shaped as a coil shape inside the ferrite magnetic layers and exposed from both side surfaces or upper and lower surfaces of the ferrite magnetic layers; andan external electrode electrically coupled to the internal electrode which is exposed from both side surface or upper and lower surfaces of the ferrite magnetic layer.2. The multilayered chip-type power inductor of claim 1 , wherein ...

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30-01-2014 дата публикации

AUTOMATIC WINDING MACHINE, AIR CORE COIL, AND WINDING METHOD OF THE SAME

Номер: US20140028432A1
Автор: YOSHIMORI Hitoshi
Принадлежит: SHT Corporation Limited

An automatic winding machine has a rotation drive mechanism, four winding core shafts protruding from the drive mechanism and being rotated integrally with a rotation center of the drive mechanism, the winding core shafts whose axial centers are parallel to the rotation center, a reciprocating mechanism for reciprocating the winding core shafts, at least one pressing roller biased in the direction of bringing close to a rotation passage of the winding core shafts from the outer circumferential side, and a conductive wire supply mechanism for continuously supplying a conductive wire between the winding core shafts and the pressing roller. 1. An automatic winding machine configured to manufacture an air core coil in which unit coil portions formed by winding at least one conductive wire in a swirl form are repeatedly placed side by side in a winding shaft direction , each of the unit coil portions is formed by a plurality of unit wound portions having different inner circumferential lengths from each other , and when inserted to a core having a gap , at least a part of the unit wound portion having a small inner circumferential length is pushed inside the unit wound portion having a large inner circumferential length , the automatic winding machine comprising:a rotation drive mechanism;four winding core shafts protruding from the rotation drive mechanism and being rotated integrally with a rotation center of the rotation drive mechanism, the winding core shafts whose axial centers are parallel to the rotation center;a reciprocating mechanism for sliding and moving the winding core shafts between a first position where the axial centers of the winding core shafts serve as apex positions of a substantial rectangle surrounding the rotation center and two facing sides connecting the winding core shafts are an inner circumferential length and an outer circumferential length, and a second position where the axial centers of the winding core shafts serve as apex positions of ...

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06-02-2014 дата публикации

INDUCTOR ELEMENT, METHOD FOR MANUFACTURING INDUCTOR ELEMENT, AND WIRING BOARD

Номер: US20140034373A1
Принадлежит: IBIDEN CO., LTD.

An inductor element has a support layer, a first conductive layer formed on the support layer and having a first inductor pattern and a first pad at one end of the first inductor pattern, a first insulation layer formed on the support layer and first conductive layer and including a magnetic material layer and a resin layer, a second conductive layer formed on the first insulation layer and having a second inductor pattern and a second pad at one end of the second inductor pattern, and a via conductor formed through the first insulation layer and connecting the first and second conductive layers. The magnetic material layer is covering at least part of the first inductor pattern, the resin layer is covering the first pad and has opening exposing at least part of the first pad, and the via conductor is formed in the opening of the first insulation layer. 1. An inductor element , comprising:a support layer;a first conductive layer formed on the support layer and having a first inductor pattern and a first pad formed at one end portion of the first inductor pattern;a first insulation layer formed on the support layer and first conductive layer and comprising a magnetic material layer and a resin layer;a second conductive layer formed on the first insulation layer and having a second inductor pattern and a second pad formed at one end portion of the second inductor pattern; anda via conductor formed through the first insulation layer and connecting the first conductive layer and the second conductive layer,wherein the magnetic material layer of the first insulation layer is covering at least a portion of the first inductor pattern, the resin layer of the first insulation layer is covering the first pad and has an opening portion exposing at least a portion of the first pad, and the via conductor is formed in the opening portion of the first insulation layer.2. The inductor element according to claim 1 , wherein the magnetic material layer of the first insulation layer ...

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06-02-2014 дата публикации

Cable And Electromagnetic Device Comprising The Same

Номер: US20140035712A1
Принадлежит:

A cable for winding of an electromagnetic device. The cable includes a conductor, and a layer including a magnetic material having a relative permeability in the range 2 to 100000, wherein the layer at least partly surrounds the conductor. 1. A cable for a winding of an electromagnetic device , wherein the cable comprises:a conductor, and{'sup': '3', 'a layer comprising a magnetic material having a relative permeability in the range 100 to 5000, wherein the layer at least party surrounds the conductor, and wherein the magnetic material has a Steinmetz coefficient that is less than or equal to 20 W/m.'}2. The cable as claimed in claim 1 , wherein the layer fully surrounds the conductor.3. The cable as claimed in claim 1 , wherein the magnetic material is ferromagnetic.4. The cable as claimed in claim 1 , comprising several concentrically arranged layers.5. The cable as claimed in claim 4 , wherein one of the layers comprises a semiconducting material.6. The cable as claimed in claim 1 , wherein the layer is thicker on those surfaces of the conductor which present the innermost or outermost turns of a winding for a specific application when the cable is formed as a winding.7. The cable as claimed in claim 1 , wherein the layer comprises an electrically insulating material with magnetic properties claim 1 , wherein the magnetic properties are provided by the magnetic material.8. The cable as claimed in claim 7 , wherein the magnetic material is dispersed in the composite insulating material in the form of magnetic particles.9. The cable as claimed in claim 1 , wherein the electromagnetic device is a high voltage electromagnetic device.10. The cable as claimed in claim 1 , wherein the electromagnetic device is a power transformer.11. The cable as claimed in claim 1 , wherein the coating has a thickness which is at least 100 μm.12. The cable as claimed in any of the preceding claims claim 1 , wherein the coating has a thickness that is in the range 200 to 800 μm.13. The ...

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13-02-2014 дата публикации

INDUCTOR ELEMENT AND MANUFACTURING METHOD THEREOF

Номер: US20140043129A1
Принадлежит: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Disclosed herein are an inductor element and a manufacturing method thereof. The inductor element includes: an electrode body formed of insulating material and having an internal electrode having a coil shape disposed therein; and external terminals formed on a part of the electrode body and each connected with both ends of the internal electrode, wherein electrode body is formed and separated on a base substrate, whereby a size of the inductor element is reduced. 1. An inductor element , comprising:an electrode body formed of insulating material and having an internal electrode having a coil shape disposed therein; andexternal terminals formed on a part of the electrode body and each connected with both ends of the internal electrode,wherein the electrode body is formed and separated on a base substrate.2. The inductor element according to claim 1 , wherein the internal electrode is configured in plural and vertically disposed in the electrode body in a height direction.3. The inductor element according to claim 1 , wherein the inductor element has a base substrate disposed on a bottom portion thereof and is a thin type claim 1 , including an electrode body formed therein by a thin film process.4. The inductor element according to claim 1 , further comprising:a magnetic composite formed of a magnetic powder and a polymer and disposed on a top surface of the electrode body.5. The inductor element according to claim 1 , wherein the external terminal is bonded to a part of the top surface of the electrode body in a land grid array (LGA) type or to a side thereof and an end of the top surface thereof continued from the side thereof.6. A manufacturing method of an inductor element claim 1 , comprising:(a) preparing a base substrate;(b) forming an electrode body having an internal electrode disposed therein on one surface of the base substrate;(c) plating external terminals connected to both ends of the internal electrode on a part of the electrode body; and(d) ...

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20-02-2014 дата публикации

MAGNETIC MATERIAL AND COIL COMPONENT USING SAME

Номер: US20140049348A1
Принадлежит: TAIYO YUDEN CO., LTD.

A magnetic material suitable for a coil component has multiple metal grains constituted by Fe—Si-M soft magnetic alloy (where M is a metal element that oxidizes more easily than Fe) and oxide film formed on the surface of the metal grains, wherein such magnetic material includes a grain compact having bonding parts where adjacent metal grains are bonded together via the oxide film formed on their surface, and bonding parts where metal grains are directly bonded together in areas where oxide film does not exist. The magnetic material is capable of improving both insulation resistance and magnetic permeability. 1. A magnetic material having multiple metal grains constituted by Fe—Si-M soft magnetic alloy (where M is a metal element that oxidizes more easily than Fe) and oxide film formed on a surface of the metal grains;wherein the magnetic material comprises a grain compact having bonding parts where adjacent metal grains are bonded together via the oxide film formed on their surface, and bonding parts where metal grains are directly bonded together in areas where oxide film does not exist.2. A magnetic material according to claim 1 , wherein the oxide film is an oxide of Fe—Si-M soft magnetic alloy (where M is a metal element that oxidizes more easily than Fe) and its mol ratio of the metal element denoted by M to the Fe element is greater than that of the metal grain.3. A magnetic material according to claim 1 , wherein a ratio B/N claim 1 , where N represents a number of metal grains in a cross section of the grain compact and B represents a number of bonding parts where metal grains are directly bonded together claim 1 , is 0.1 to 0.5.4. A magnetic material according to claim 1 , which is obtained by compacting multiple metal grains manufactured by an atomization method and then heat-treating the compact in an oxidizing ambience.5. A magnetic material according to claim 1 , wherein the grain compact has voids inside and polymer resin is impregnated in at least ...

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20-02-2014 дата публикации

Use of alumina paper for strain relief and electrical insulation in high-temperature coil windings

Номер: US20140049349A1
Автор: Joshua S. MCCONKEY
Принадлежит: Siemens Energy Inc

A coil ( 60 ). The coil ( 60 ) comprises a conductor formed in the shape of winding layers ( 68 ). The conductor comprises an insulating coating ( 96 ) surrounding a conductive core ( 94 ). The coil further comprises paper strips ( 80 ) disposed proximate one or more of the winding layers ( 68 ) to provide strain relief against mechanical forces exerted on the coil ( 60 ) and to provide electrical insulation between winding layers ( 68 ). In an embodiment where the coil ( 60 ) further comprises a core ( 70 ) the paper strips ( 80 ) are beneficially disposed at corners ( 70 A, 70 B, 70 C, and 70 D) of the core ( 70 ) and further between winding layers ( 68 ) at the corners ( 70 A, 70 B, 70 C, 70 D).

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13-03-2014 дата публикации

ELECTRONIC SUBSTRATE, SEMICONDUCTOR DEVICE, AND ELECTRONIC DEVICE

Номер: US20140070915A1
Автор: HASHIMOTO Nobuaki
Принадлежит: SEIKO EPSON CORPORATION

An electronic substrate including: a base substrate having an active face and a rear face; and a plurality of inductor elements formed on or above the active face, or formed on or above the rear face. 1. An electronic substrate comprising:a base substrate having a first face and a second face opposed to the first face;a plurality of inductor elements formed on or above the first face, and having a winding wire;a first electrode and a second electrode formed at a peripheral portion of the first face of the base substrate;a first connecting wire formed on or above the first face and connected to the first electrode and the winding wire; anda second connecting wire formed on or above the first face and connected to the second electrode and the winding wire.2. The electronic substrate according to claim 1 , wherein a dielectric layer formed between at least some of the inductor elements and the base substrate so as to cover the first connecting wire claim 1 , including a through hole in which the first connecting wire is connected to the winding wire.3. The electronic substrate according to claim 1 , whereinthe inductor elements include:a first inductor element; anda second inductor element having an inductance value or an applicable frequency that are different from that of the first inductor element.4. The electronic substrate according to claim 3 , whereinthe first inductor element is used for external power transmission, and the second inductor element is used for external communications.5. The electronic substrate according to claim 3 , further comprising:a connection terminal formed on the base substrate, used for external power transmission, whereinthe first inductor element and the second inductor element are used for external communications.6. The electronic substrate according to claim 2 , whereinthe dielectric layer is made of material having a dielectric dissipation factor smaller than that of the base substrate.7. A semiconductor device claim 2 , comprising ...

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20-03-2014 дата публикации

COIL COMPONENT AND MAGNETIC METAL POWDER CONTAINING RESIN USED THEREFOR

Номер: US20140077914A1
Принадлежит: TDK Corporation

A coil component is provided with coil conductors and and a magnetic metal powder containing resin (and ) covering the coil conductors and . The magnetic metal powder containing resin includes first metal powder having a first average grain diameter, second metal powder having a second average grain diameter that is smaller than the first average grain diameter, and third metal powder having a third average grain diameter that is smaller than the second average grain diameter. The first average grain diameter is 15 μm or more and 100 μm or less. The third average grain diameter is 2 μm or less. The first metal powder mainly contains Permalloy and the second and third metal powders mainly contain carbonyl iron. 1. A coil component comprising:a coil conductor; anda magnetic metal powder containing resin covering the coil conductor, whereinthe magnetic metal powder containing resin includes first metal powder having a first average grain diameter, second metal powder having a second average grain diameter that is smaller than the first average grain diameter, and third metal powder having a third average grain diameter that is smaller than the second average grain diameter,the first average grain diameter is 15 μm or more and 100 μm or less, andthe third average grain diameter is 2 μm or less.2. The coil component as claimed in claim 1 , wherein magnetic permeability of the first metal powder is higher than that of the second and third metal powders.3. The coil component as claimed in claim 2 , wherein the first metal powder mainly contains Permalloy claim 2 , and the second and third metal powders mainly contain iron.4. The coil component as claimed in claim 1 , wherein the second average grain diameter is 3 μm or more and 10 μm or less.5. The coil component as claimed in claim 4 , whereinthe second average grain diameter is 3 μm or more and 5 μm or less, andthe third average grain diameter is 1 μm or less.6. The coil component as claimed in claim 1 , wherein a weight ...

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20-03-2014 дата публикации

TRANSFORMER

Номер: US20140077915A1
Принадлежит: SAMSUNG ELECTRO-MECHANICS CO., LTD.

A thin transformer to be used in a thin display device such as a liquid crystal display (LCD) device and a light emitting diode (LED) display device. The transformer includes a plurality of bobbins, each including a pipe shaped body having a though-hole formed in an inner portion thereof, a flange vertically protruding outwardly from both ends of the body, and external connection terminals protruding from one side of a lower flange formed at a lower end of the body; a core inserted into through-holes of the bobbins to form a magnetic path; and coils each wound around the plurality of bobbins. The bobbins include inner and outer bobbins. The inner bobbin is coupled to the outer bobbin such that the external connection terminals of the inner bobbin and the external connection terminals of the outer bobbin are mutually opposed. 1. A transformer comprising:a bobbin part including a plurality of bobbins, each including a pipe shaped body part having a though-hole formed in an inner portion thereof, a flange part vertically protruding outwardly from both ends of the body part, and external connection terminals protruding from one side of a lower flange part formed at a lower end of the body part;a core inserted into the through-hole of the bobbin to thereby form a magnetic path; anda coil part including coils each wound around the plurality of bobbins,wherein the bobbin part includes an inner bobbin and an outer bobbin, andthe inner bobbin is coupled to the outer bobbin such that the external connection terminals of the inner bobbin and the external connection terminals of the outer bobbin are opposed to each other.29-. (canceled) This application claims the priority of Korean Patent Application Nos. 10-2010-0063720 filed on Jul. 2, 2010 and 10-2010-0092701 filed on Sep. 20, 2010, in the Korean Intellectual Property Office, the disclosures of which are incorporated herein by reference.1. Field of the InventionThe present invention relates to a thin transformer capable of ...

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20-03-2014 дата публикации

Winding device, winding method, and transformer winding

Номер: US20140077918A1
Принадлежит: ABB TECHNOLOGY AG

A transformer winding device, a method and a transformer are disclosed. The transformer winding winding device includes a rotary device configured to extend along an axis of rotation and configured to receive a transformer winding to be wound, at least one device configured to provide a plurality of insulation strips, and a comb-like guide device. The comb-like device is configured to deflect the plurality of insulation strips into at least one common winding plane and fed parallel to one another, at an angle to an axis of rotation, to the transformer winding to be wound. The comb-like guide device can include at least a first guide device element for a first group of insulation strips and a second guide device element for a second group of insulation strips, wherein the first and second guide device elements are offset with respect to one another in terms of axial length.

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27-03-2014 дата публикации

PLANAR MAGNETIC COMPONENT AND METHOD FOR MANUFACTURING THE SAME

Номер: US20140085032A1
Автор: Wen Yao-Long

A planar magnetic component and a method for manufacturing the same are provided. The planar magnetic component includes a substrate, a first conductor layer and a magnetic structure; wherein the first conductor layer is disposed on a first surface of the substrate, and the magnetic structure penetrates the first conductor layer and is embedded in the substrate. The magnetic structure includes a ferromagnetic material layer and at least one first hard protective layer disposed on a first surface of the ferromagnetic material layer, which could prevent the ferromagnetic material layer from breaking in a pressing process. 1. A planar magnetic component , comprising:a substrate;a first conductor layer disposed on a first surface of the substrate; and a ferromagnetic material layer; and', 'at least one first hard protective layer disposed on a first surface of the ferromagnetic material layer., 'a magnetic structure penetrating through the first conductor layer and embedded in the substrate, the magnetic structure includes2. The planar magnetic component according to claim 1 , wherein the magnetic structure further includes a second hard protective layer disposed on a second surface of the ferromagnetic material layer claim 1 , wherein the first surface of the ferromagnetic material layer and the second surface of the ferromagnetic material layer are opposite to each other.3. The planar magnetic component according to claim 2 , wherein the first hard protective layer and the second hard protective layer have a material of a reactive resin having an epoxy group.4. The planar magnetic component according to claim 3 , wherein the reactive resin having the epoxy group has a glass transition temperature greater than 200° C.5. The planar magnetic component according to claim 3 , wherein the reactive resin having the epoxy group has a coefficient of thermal expansion greater than or equal to that of the substrate.6. The planar magnetic component according to claim 1 , further ...

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03-04-2014 дата публикации

COIL COMPONENT

Номер: US20140090235A1
Принадлежит: SUMIDA CORPORTION

A coil component includes a core formed by a magnetic material, a coil embedded in the core, a part of a terminal portion of the coil protruded from a side surface of the core, and a tabular terminal, a part thereof protruded from the side surface of the core and partly connected with the protruded part of the terminal portion of the coil. The protruded part of the terminal portion of the coil and the protruded part of the tabular terminal are respectively bent toward the bottom surface side of the core along the side surface of the core, and the protruded and bent part o the terminal portion of the coil is arranged between the protruded and bent part of the tabular terminal and the core. 1. A method of producing a coil component , comprising the steps of:forming a coil having coil terminal portions drawn therefrom, and a terminal plate having a frame provided with a coil arrangement hole and terminal formation parts protruding toward a center of the coil arrangement hole, respectively, and opposing each other;assembling the coil and the terminal plate such that the coil is arranged between the terminal formation parts of the frame of the terminal plate, protruding toward the center of the coil arrangement hole, respectively, and opposing each other, and the coil terminal portions of the coil are arranged on the back side of the terminal formation parts, respectively;forming a green compact by arranging a mold such that the coil arranged between the terminal formation parts of the frame of the terminal plate, base parts of the coil terminal portions of the coil arranged on the back side of the terminal formation parts, and tip parts of the terminal formation parts protruding toward the center of the coil arrangement hole, respectively, and opposing each other, are embedded in the mold, respectively, filling the mold with granulation powder, and pressing the granulation powder filled in the mold;forming a core embedding the coil, the base parts of the coil terminal ...

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03-04-2014 дата публикации

ZERO-LENGTH OR NEAR-ZERO-LENGTH LEAD FOR ELECTRICAL COMPONENT

Номер: US20140092575A1
Принадлежит: MURATA MANUFACTURING CO., LTD.

An inductor assembly includes an inductor body including an inductor core and a mounting bracket that includes a first leg, a second leg, and a third leg. A portion of the mounting bracket passes through the inductor body, at least one of the first leg and the second leg of the mounting bracket is arranged to be mounted on a substrate, and the third leg of the mounting bracket is arranged to be mounted on an electrical component mounted on the substrate. 1. An inductor assembly comprising:an inductor body including an inductor core; anda mounting bracket including a first leg, a second leg, and a third leg; whereina portion of the mounting bracket passes through the inductor body;at least one of the first leg and the second leg of the mounting bracket is arranged to be mounted on a substrate; andthe third leg of the mounting bracket is arranged to be mounted on an electrical component mounted on the substrate.2. The inductor assembly of claim 1 , wherein the third leg is not connected to ground.3. The inductor assembly of claim 1 , wherein at least one of the first leg claim 1 , the second leg claim 1 , and the third leg is arranged at a side of the inductor body opposite to a side of the inductor body that includes another one of the first leg claim 1 , the second leg claim 1 , and the third leg.4. The inductor assembly of claim 1 , wherein the mounting bracket includes copper or a copper alloy material.5. The inductor assembly of claim 4 , wherein the mounting bracket is plated with tin or a tin alloy material.6. The inductor assembly of claim 1 , wherein the mounting bracket is defined by a single monolithic element.7. The inductor assembly of claim 1 , wherein the inductor body includes a U-shaped or substantially U-shaped core inductor.8. The inductor assembly of claim 1 , wherein an end portion of the third leg is arranged to be mounted on the substrate.9. A circuit assembly comprising:a substrate; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the ...

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10-04-2014 дата публикации

Structure and Method for a Transformer with Magnetic Features

Номер: US20140097930A1

The present disclosure provides a semiconductor device. The semiconductor device includes a first inductor formed on a first substrate; a second inductor formed on a second substrate and conductively coupled with the first inductor as a transformer; and a plurality of micro-bump features configured between the first and second substrates. The plurality of micro-bump features include a magnetic material having a relative permeability substantially greater than one and are configured to enhance coupling between the first and second inductors.

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10-04-2014 дата публикации

Health applications of a double helix conductor

Номер: US20140100412A1
Автор: David G. SCHMIDT
Принадлежит: LifeWave Inc

An electrical system having an underlying structure resembling the double helix most commonly associated with DNA is used to produce useful electromagnetic fields for health applications and/or medical applications.

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07-01-2021 дата публикации

MULTI-AXIS COIL FOR IMPLANTABLE MEDICAL DEVICE

Номер: US20210001131A1
Принадлежит:

Systems, devices and methods allow inductive recharging of a power source located within or coupled to an implantable medical device while the device is implanted in a patient. The implantable devices in some examples include a multi-axis antenna having a plurality of coil windings arranged orthogonal to one another. The multi-axis antenna configured to generate at least a minimum level of induced current for recharging a power source of the implanted medical device regardless of the orientation of a direction of a magnetic field imposed on the multi-axis antenna relative to an orientation of the implanted medical device and the multi-axis antenna for a given energy level of the imposed magnetic field. 1. A method comprising:receiving, at a multi-axis antenna of a medical device internal to a patient, a magnetic field having a magnetic field direction, the magnetic field generated by at least one recharging coil, wherein the magnetic field induces one or more electrical currents in one or more of a plurality of coils forming the multi-axis antenna, the plurality of coils comprising a first coil having a first coil axis of orientation, a second coil having a second coil axis of orientation, and a third coil having a third coil axis of orientation,rectifying the one or more electrical currents induced in the one or more plurality of coils;summing the one or more rectified electrical currents to form a recharging current; andapplying the recharging current to a power source of the medical device to recharge the power source.2. The method of claim 1 , further comprising matching claim 1 , with one or more capacitors coupled in parallel with the one or more of the plurality of coils claim 1 , a frequency of the magnetic field generated by the at least one recharging coil with a resonant frequency of a tank circuit formed by the one or more capacitors coupled in parallel with the one or more of the plurality of coils.3. The method of claim 1 , further comprising ...

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02-01-2020 дата публикации

MULTI-AXIS COIL FOR IMPLANTABLE MEDICAL DEVICE

Номер: US20200001094A1
Принадлежит:

Systems, devices and methods allow inductive recharging of a power source located within or coupled to an implantable medical device while the device is implanted in a patient. The implantable devices in some examples include a multi-axis antenna having a plurality of coil windings arranged orthogonal to one another. The multi-axis antenna configured to generate at least a minimum level of induced current for recharging a power source of the implanted medical device regardless of the orientation of a direction of a magnetic field imposed on the multi-axis antenna relative to an orientation of the implanted medical device and the multi-axis antenna for a given energy level of the imposed magnetic field. 1. A method for recharging a power source located in an implanted medical device implanted in a patient , the method comprising:receiving, at a multi-axis antenna of an implantable medical device, a magnetic field having a magnetic field direction, the magnetic field generated by at least one recharging coil, wherein the magnetic field induces one or more electrical currents in one or more of a plurality of coils forming the multi-axis antenna, the plurality of coils comprising a first coil having a first coil axis of orientation, a second coil having a second coil axis of orientation, and a third coil having a third coil axis of orientation,wherein the first coils axis of orientation and the second coil axis of orientation and the third coil axis of orientation are orthogonal to each other, wherein each of the first coil, the second coil, and the third coil encircle a portion of a ferrite core, and wherein the third coil encircles at least a portion of the first coil and the second coil, and wherein the second coil encircles at least a portion of the first coil;summing, by recharging circuitry, the one or more electrical currents induced into the plurality of coils to form a recharging current; andapplying, by the recharging circuitry, the recharging current to the ...

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02-01-2020 дата публикации

RECEIVE COIL CONFIGURATIONS FOR IMPLANTABLE MEDICAL DEVICE

Номер: US20200001095A1
Принадлежит:

Systems, devices and methods allow inductive recharging of a power source located within or coupled to an implantable medical device while the device is implanted in a patient. The implantable medical device in some examples include a receive antenna configuration that may include at least one infinity shaped receive coil. One or more of the receive coils may be formed having a curved shape that conforms to a curvature on an inner surface of a portion of a housing of the implantable medical device so that the receive coil or coils may be positioned adjacent to, and in some examples in direct contact with, some portion of the curved inner surface. 1. An implantable medical device comprising:a rechargeable power source coupled to one or more electrical circuits located within a housing of the implantable medical device, the rechargeable power source configured to provide electrical power to the one or more electrical circuits;a receive antenna configuration comprising at least one receive coil comprising an electrical conductor forming a coil winding, the coil winding positioned within an interior cavity enclosed by the housing of the implantable medical device, the coil winding formed into a curved shape that conforms to a curvature of at least a portion of an inner surface of the housing that at least partially encloses the interior cavity, the coil winding positioned adjacent to the curvature of the inner surface so that the coil winding bends along and is positioned adjacent to the curvature of at least the portion of the inner surface, the receive coil configured to generate an electrical current induced into the at least one receive coil when an externally generated magnetic field is imposed onto the at least one receive coil; andrecharging circuitry coupled to the at least one receive coil and to the rechargeable power source, the recharging circuitry configured to receive the electrical current induced into the at least one receive coil and to provide a ...

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13-01-2022 дата публикации

INDUCTIVE COMPONENT

Номер: US20220013279A1
Автор: BOLDL Johann, PILSL Rainer
Принадлежит:

least one contact element is covered at least in part by a first wall section of the cover cap. The coil body comprises a depression which is formed below the magnetic core and in which a second wall section of the cover cap extending perpendicularly to the side surface of the magnetic core extends between the coil body and the magnetic core received in the coil body. The cover cap comprises a third wall section which is disposed opposite the second wall section and covers at least in part a side surface of the magnetic core and covers the winding at least in part. 1. Inductive component comprising:a magnetic core,at least one winding, anda coil body wound with said at least one winding, comprisingat least one contact element attached to one side of said coil body for electrical connection to said at least one winding, anda magnetic core receptacle in which said magnetic core is received in part, said inductive component further comprising:a cover cap which is made from electrically insulating material, where said cover cap in part covers said magnetic core received in said coil body on at least four side surfaces,wherein a side surface of said magnetic core facing said side of said coil body with said at least one contact element is covered at least in part by a first wall section of said cover cap,wherein said coil body comprises a depression which is formed below said magnetic core and in which a second wall section of said cover cap extending perpendicularly to said side surface of said magnetic core extends between said coil body and said magnetic core received in said coil body, andwherein said cover cap comprises a third wall section which is disposed opposite said second wall section and at least in part covers a side surface of the magnetic core and covers said winding at least in part.2. Inductive component according to claim 1 , wherein said second wall section projects from said first wall section along a direction perpendicular to said first wall ...

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07-01-2021 дата публикации

INSULATED WIRE, COIL, AND ELECTRIC/ELECTRONIC EQUIPMENTS

Номер: US20210005346A1
Принадлежит:

An insulated wire containing a thermoplastic resin layer (A) as a covering layer directly or indirectly on a rectangular conductor, in which the insulated wire has at least one protruding part which is continuous in a longitudinal direction of said insulated wire, on a surface of a portion of the thermoplastic resin layer (A), which portion corresponds to at least one side of a cross-section of the insulated wire, said protruding part and a flat part of the surface having the protruding part forms a curved portion with a radius of curvature of 0.01 to 0.75 mm in the cross-section of the insulated wire, and a lateral face of the protruding part has a slope of less than 90° to the flat part of the surface having the protruding part in the cross-section of the insulated wire, a coil produced by processing the insulated wire by winding, and an electric/electronic equipment comprising the coil. 1. An insulated wire comprising a thermoplastic resin layer (A) as a covering layer directly or indirectly on a rectangular conductor ,wherein the insulated wire has at least one protruding part which is continuous in a longitudinal direction of said insulated wire, on a surface of a portion of the thermoplastic resin layer (A), which portion corresponds to at least one side of a cross-section of the insulated wire,wherein said protruding part and a flat part of the surface having the protruding part forms a curved portion with a radius of curvature of 0.01 to 0.75 mm in the cross-section of the insulated wire, andwherein a lateral face of the protruding part has a slope of less than 90° to the flat part of the surface having the protruding part in the cross-section of the insulated wire.2. The insulated wire according to claim 1 , wherein the lateral face of the protruding part has a slope of 1 to 80° to the flat part of the surface having the protruding part.3. The insulated wire according to claim 1 ,wherein the height of the protruding part is 30 μm or more and 3000 μm or less ...

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03-01-2019 дата публикации

COIL COMPONENT

Номер: US20190006071A1
Принадлежит:

In an embodiment, a coil component includes an insulator part and a coil part. The insulator part is constituted by an electrical insulation material, and is no more than 600 μm long and no more than 600 μm high. The coil part is wound around one axis and placed inside the insulator part. The coil part has an opening part constituted by straight line parts and curved line parts and whose shape as viewed from the one axis direction is an approximate rectangle, wherein the line length of the curved line parts along the inner periphery of the opening part is no more than 40% of the line length of the inner periphery of the opening part. The coil component can satisfy both a size reduction need and the properties need. 1. A coil component , comprising:an insulator part constituted by an electrical insulation material and being no more than 600 μm long and no more than 600 μm high; anda coil part wound around one axis and placed inside the insulator part;wherein the coil part has a central part which is an opening part when solely the coil part is viewed from the one axis direction, which opening part is defined by an inner periphery of the winding of the coil part, wherein an inner periphery of the opening part is constituted by straight line parts and chamfered-corner line parts and whose shape is an approximate rectangle as viewed from the one axis direction, wherein a line length of the chamfered-corner line parts along an inner periphery of the opening part is no more than 40% of a line length of the inner periphery of the opening part.2. The coil component claim 1 , according to claim 1 , wherein the chamfered-corner line parts are provided at all corners of the inner periphery of the opening part.3. The coil component according to claim 1 , wherein the coil part is wound around an axis running parallel with a width direction of the insulator part.4. The coil component according to claim 3 , wherein the insulator part has a height dimension equal to or greater than ...

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03-01-2019 дата публикации

ARRAYED EMBEDDED MAGNETIC COMPONENTS AND METHODS

Номер: US20190006077A1
Автор: Quilici James E.
Принадлежит:

Disclosed are apparatus and methods for arrayed embedded magnetic components that include magnetic devices that have a core that is embedded between two or more substrates and a winding pattern surrounding the core that is implemented on and through the two or more substrates. The winding pattern is operable to induce a magnetic flux within the core when energized by a time varying voltage potential. The winding pattern may be implemented by printed circuit layers, plated vias, other electrically conductive elements, and combinations thereof. Arrayed embedded magnetic components include two or more electrically interconnected magnetic devices positioned side-by-side in a horizontal integration, positioned top-to-bottom in a vertical integration, or combinations thereof. The magnetic devices may have a magnetic functionality such as, but not limited to, a transformer, inductor, and filter. Disclosed magnetic components and methods provide for low cost construction, consistent performance, and a low profile form, among other benefits. 1. A magnetic component comprising:a first magnetic device including a first winding pattern implemented as a first second substrate conductive pattern, a first third substrate conductive pattern and first plated through holes that are electrically interconnected with the first second substrate conductive pattern and the first third substrate conductive pattern, the first winding pattern surrounding a first core, the first core defining a toroidal shape and the first winding pattern defining a complementary toroidal shape, wherein the first winding pattern defines one or more electric circuits that surround the first core thereby forming a winding-type relationship so as to induce a magnetic flux within the first core when the one or more electric circuits are energized by a time varying voltage potential, wherein the first magnetic device further comprises:a first base substrate defining a first base substrate first surface and a first ...

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03-01-2019 дата публикации

INDUCTIVE ELEMENT AND LC FILTER

Номер: US20190006079A1
Принадлежит:

The present disclosure provides an inductive element capable of lowering a Q-value. An inductive element includes a first cover and a second cover covering an annular core, and a first winding and a second winding wound around a region of the core, the first cover and the second cover. The first cover covers a part of an inner circumferential surface of the core, a part of an outer circumferential surface and an end surface on one end side in an axial direction. The second cover covers a part of the inner circumferential surface of the core, a part of the outer circumferential surface an end surface on the other end side in the axial direction. 1. An inductive element comprising:an annular core;a first cover and a second cover covering the core; anda first winding and a second winding wound around a region of the core and the first and second covers, whereinwhen a direction in which an axis which is surrounded by the annular core extends is defined as an axial direction,the core includes an inner circumferential surface, an outer circumferential surface, an end surface on one end side in the axial direction, and an end surface on the other end side,the first cover covers a part of the inner circumferential surface of the core, a part of the outer circumferential surface thereof, and the end surface on the one end side of the core, and includes an inner end surface extending over the inner circumferential surface of the core and an outer end surface extending over the outer circumferential surface thereof,the second cover covers a part of the inner circumferential surface of the core, a part of the outer circumferential surface thereof, and the end surface on the other end side thereof, and includes an inner end surface extending over the inner circumferential surface of the core and an outer end surface extending over the outer circumferential surface thereof,the inner end surfaces of the first and second covers are spaced apart from each other, andthe outer end ...

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03-01-2019 дата публикации

Coil component

Номер: US20190006090A1
Автор: Han Wu, Masaki Kan
Принадлежит: TDK Corp

A coil component includes a non-conductive bobbin and a coil that winds around the bobbin. The coil includes first and second coil members with joining portions in which joining holes are formed. The bobbin includes first and second bobbin members. The first bobbin member includes: first and second positioning portions that position the first and second coil members, respectively, when the first and second coil members are moved onto the first bobbin member; and a support that supports lower portions of the first and second joining portions. The second bobbin member includes a first insulator disposed between the first and second coil members. The first and second coil members and the second bobbin member are attached to the first bobbin member by being moved in a single direction without a further step of rotating.

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20-01-2022 дата публикации

SEGMENTED WIRELESS POWER TRANSFER

Номер: US20220021243A1
Принадлежит:

A device for wireless power transfer includes a segmented coil comprising a plurality of coil segments, each adjacent pair of coil segments of the plurality of coil segments being separated from one another by a respective passive element, and a plurality of constituent converters coupled to the segmented coil, each constituent converter of the plurality of constituent converters being coupled to a respective coil segment of the plurality of coil segments to drive the respective coil segment. 1. A device for wireless power transfer , the device comprising:a segmented coil comprising a plurality of coil segments, each adjacent pair of coil segments of the plurality of coil segments being separated from one another by a respective passive element; anda plurality of constituent converters coupled to the segmented coil, each constituent converter of the plurality of constituent converters being coupled to a respective coil segment of the plurality of coil segments to drive the respective coil segment.2. The device of claim 1 , wherein each passive element comprises a capacitance.3. The device of claim 1 , where each passive element comprises an inductance.4. The device of claim 1 , where each passive element comprises a combination of capacitances and inductances.5. The device of claim 1 , wherein each constituent converter of the plurality of converters is configured as a current-mode claim 1 , Class D converter.6. The device of claim 1 , wherein each coil segment of the plurality of coil segments is driven by a respective constituent converter of the plurality of constituent converters.7. The device of claim 1 , wherein the plurality of constituent converters have an identical configuration.8. The device of claim 1 , wherein the plurality of constituent converters are controlled to provide an equal amount of power to the segmented coil.9. The device of claim 1 , wherein the plurality of constituent converters are controlled to provide different amounts of power to the ...

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10-01-2019 дата публикации

SOUND WAVE TREATMENT DEVICE

Номер: US20190008535A1
Принадлежит:

A sound wave treatment device for medical treatment using compression waves, in particular for lithotripsy, includes a sound wave generator, a plurality of piezo elements that are coupled to the sound wave generator, and, an electrical high voltage unit that is set up for supplying the piezo elements with high electrical voltage. The high voltage unit has a blocking converter unit having a transformer, wherein the transformer has a primary coil, a high voltage coil, and spacers, wherein the high voltage coil has a plurality of high voltage windings that are embedded in an insulating mass and are positioned using the spacers such that adjacent high voltage windings are at a defined distance (a) from one another due to the spacers. 11. A sound wave treatment device () for medical treatment using compression waves , in particular for lithotripsy , having:{'b': '2', 'a sound wave generator (),'}{'b': '2', 'a plurality of piezo elements that are coupled to the sound wave generator (), and,'}{'b': '20', 'an electrical high voltage unit () that is set up for supplying the piezo elements with high electrical voltage'} {'b': 20', '22', '24', '24', '48', '46', '48', '48, 'sub': 1', '4', '4, 'the high voltage unit () has a blocking converter unit () having a transformer (), wherein the transformer () has a primary coil (L), a high voltage coil (L), and spacers (), wherein the high voltage coil (L) has a plurality of high voltage windings that are embedded in an insulating mass () and are positioned using the spacers () such that adjacent high voltage windings are at a defined distance (a) from one another due to the spacers ().'}, 'wherein'}246. The sound wave treatment device according to claim 1 , wherein the high voltage windings are embedded in the insulating mass () essentially free of air bubbles.3384838. The sound wave treatment device according to claim 1 , wherein the high voltage coil (L) is wound on a high voltage coil former () and the spacers () project radially ...

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14-01-2021 дата публикации

INSULATED WIRE, COIL, AND ELECTRICAL OR ELECTRONIC EQUIPMENT

Номер: US20210009846A1
Принадлежит:

An insulated wire, containing a conductor and an insulating film (A) provided in contact with the conductor, in which the insulating film (A) contains polyaryletherketone, the polyaryletherketone has an exothermic peak at the range of 290 to 330° C. in a differential scanning calorimetry when the polyaryletherketone is cooled at a temperature falling rate of 10° C./min from a temperature equal to or higher than the melting temperature of the polyaryletherketone, and the half width of the exothermic peak is 6° C. or more. 2. The insulated wire according to claim 1 , wherein the insulating film (A) is an extruded covering layer.3. The insulated wire according to claim 1 , wherein an insulating film (B) having different constituent material from that of the insulating film (A) is provided on the outer periphery of the insulating film (A).4. The insulated wire according to claim 3 , wherein the insulating film (B) comprises at least one kind of polyaryletherketone claim 3 , polyetherimide claim 3 , polyether sulphone claim 3 , polyphenylene ether claim 3 , polyphenylsulfone claim 3 , polyimide claim 3 , polyamide imide claim 3 , a thermoplastic polyimide claim 3 , and polyketone.5. The insulated wire according to claim 1 , wherein the polyaryletherketone contained in the insulating film (A) is polyetheretherketone.6. The insulated wire according to claim 1 , containing the polyaryletherketone in the insulating film (A) in an amount of 70 mass % or more.7. A coil claim 1 , comprising the insulated wire according to .8. An electrical or electronic equipment claim 7 , comprising the coil according to .10. The method according to claim 9 , wherein the polyaryletherketone is polyetheretherketone.11. A resin for an insulating film claim 9 , comprising polyaryletherketone claim 9 , wherein the polyaryletherketone has an exothermic peak at the range of 290 to 330° C. in a differential scanning calorimetry when the polyaryletherketone is cooled at a temperature falling rate of ...

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10-01-2019 дата публикации

Electric Coils

Номер: US20190011058A1
Автор: Freakes Anthony
Принадлежит:

Conductor coils which induce a magnetic field and methods of making same are disclosed, the conductor coil having at least one layer of conductive material formed in a spiral, the spiral having an inner portion forming an air core. Also disclosed are conductor coils and methods of making same having at least two spiral layers of conductive material, wherein the first spiral layer has a configuration in which a first end terminates at an exterior periphery of the first spiral layer and extends spirally inward toward an inner portion of the first spiral layer and terminates at a second end, wherein the second spiral layer has a configuration in which a first end terminates at an interior periphery of the first spiral layer and extends spirally outward toward an exterior periphery of the first spiral layer, wherein the second spiral layer first end is conductively connected to the first spiral layer second end. 1. A method of making a conductor coil which induces a magnetic field , the conductor coil comprising at least two spiral layers comprising conductive material and an air core , the method comprising constructing an insulation body comprising an internal cavity comprising a configuration corresponding to a configuration of the conductor coil and introducing conductive material into the insulation body.2. The method according to wherein the step of introducing conductive material into the insulation body forms a conductor coil comprising a first spiral layer comprising a first end terminating at an exterior periphery of the first spiral layer and extending spirally inward toward an inner portion of the first spiral layer terminating at a second end claim 1 , a second spiral layer comprising a first end terminating at an interior periphery of the first spiral layer and extending spirally outward toward an exterior periphery of the first spiral layer claim 1 , wherein the second spiral layer first end is conductively connected to the first spiral layer second end.3 ...

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11-01-2018 дата публикации

ENAMELED WIRE, SPOOL, AND METHOD OF MAKING AN ENAMELED WIRE

Номер: US20180012677A1
Принадлежит:

Disclosed is an enameled wire comprising a metal wire, in particular a copper wire, which is coated with an electrically insulating varnish containing at least one varnish polymer. Fluorine atoms are bonded to the outer surface of the varnish by substitution or radical substitution as a result of a treatment of the outer surface with fluorine or fluorine gas. 1. An enameled wire comprising:a metal-wire core coated with an electrically insulating enamel that contains at least one enamel polymer that is preferably at least one polymer from the group consisting of polyamide-imide, polyester-imide, polyester-amide imide, polyimide, polyamide, polyester, and polyurethane, fluorine atoms being bonded to the an outer surface of the enamel by substitution or by radical substitution as a result of a treatment of the outer surface with fluorine or fluorine gas; anda secondary insulation coating applied to the outer surface or to the fluorinated outer surface of the enamel.2. The enameled wire according to claim 1 , wherein the electrically insulating enamel is applied to the metal wire in a plurality of layers and the fluorine atoms are bonded to the outer surface of the outer enamel layer.3. The enameled wire according claim 1 , wherein the outer surface of the enamel or an outer layer of the enamel includes at least one polyamide-imide as the enamel polymer.4. The enameled wire according to claim 3 , wherein the outer surface of the enamel or the outer layer of the enamel includes enamel polymer modified with at least one polyamide-imide modified with at least one siloxane or polysiloxane.5. The enameled wire according to claim 1 , wherein a thickness of the electrically insulating enamel applied to the metal wire is 5 μm to 200 μm claim 1 , and a thickness of the outer layer of the enamel is 2 μm to 10 μm.6. (canceled)7. The enameled wire according to claim 1 , wherein the secondary insulation coating has at least one component from the group consisting of polyester-imide ...

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11-01-2018 дата публикации

LAMINATED ELECTRONIC COMPONENT

Номер: US20180012688A1
Принадлежит: MURATA MANUFACTURING CO., LTD.

A laminated electronic component in which magnetic body layers and conductor patterns are laminated, and the conductor patterns between the magnetic body layers are connected to form a coil within a laminated body. The magnetic body layers are formed from a metal magnetic body. At least one lead-out conductor pattern of the coil is connected with an external terminal formed on an undersurface of the laminated body through a conductor formed at a corner of the laminated body. 1. A laminated electronic component comprisingmagnetic body layers, andconductor patterns laminated to the magnetic body layers, the conductor patterns between the magnetic body layers being connected to form a coil within a laminated body,wherein the magnetic body layers are formed from a metal magnetic body, and at least one lead-out conductor pattern of the coil is connected with an external terminal formed on an undersurface of the laminated body through a conductor formed at a corner of the laminated body.2. The laminated electronic component according to claim 1 , wherein another lead-out conductor pattern of the coil is also connected with an external terminal formed on the undersurface of the laminated body through a conductor formed at a corner of the laminated body.3. The laminated electronic component according to claim 1 , wherein the conductor is formed by printing a conductor passing through an insulator layer at a corner of the insulator layer.4. The laminated electronic component according to claim 2 , wherein the conductor is formed by printing a conductor passing through an insulator layer at a corner of the insulator layer.5. The laminated electronic component according to claim 1 , wherein the conductor is exposed on a surface of the laminated body.6. The laminated electronic component according to claim 2 , wherein the conductor is exposed on a surface of the laminated body.7. The laminated electronic component according to claim 3 , wherein the conductor is exposed on a ...

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10-01-2019 дата публикации

COIL COMPONENT

Номер: US20190013130A1
Принадлежит: MURATA MANUFACTURING CO., LTD.

A coil component includes a first magnetic body, an insulator stacked on the first magnetic body, a second magnetic body stacked on the insulator, a coil which is disposed in the insulator and which includes at least one coil conductor layer, and an internal magnetic body disposed within the inner circumference of the coil and connected to the first magnetic body and the second magnetic body. In a cross section in a stacking direction, the width of the internal magnetic body increases continuously from the first magnetic body side toward the second magnetic body side. Also, the inner circumferential surface of an end coil conductor layer located closest to the second magnetic body faces the outer circumferential surface of the internal magnetic body and is inclined in the same direction as the outer circumferential surface of the internal magnetic body with respect to the stacking direction. 1. A coil component comprising:a first magnetic body;an insulator stacked on the first magnetic body;a second magnetic body stacked on the insulator;a coil which is disposed in the insulator and includes at least one coil conductor layer; andan internal magnetic body which is disposed within an inner circumference of the coil in the insulator and is connected to the first magnetic body and the second magnetic body,wherein,in a cross section in a stacking direction of the first magnetic body, the insulator, and the second magnetic body, a width of the internal magnetic body increases continuously from the first magnetic body side toward the second magnetic body side, andan inner circumferential surface of an end coil conductor layer located closest to the second magnetic body, in the coil, faces an outer circumferential surface of the internal magnetic body and is inclined in a same direction as the outer circumferential surface of the internal magnetic body with respect to the stacking direction.2. The coil component according to claim 1 , wherein claim 1 , in a cross section in ...

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11-01-2018 дата публикации

TRANSFORMER AND SWITCHED-MODE POWER SUPPLY APPARATUS

Номер: US20180013354A1
Автор: OGAWA Hiroo
Принадлежит: TAMURA CORPORATION

A transformer is capable of suppressing the output voltage difference, and a switched-mode power supply apparatus uses the transformer. A transformer has a core; a primary winding provided in the core; a gap provided in the core at a location where the primary winding is provided; and at least two secondary windings, provided in the core and spaced apart from both sides of the primary winding as well as the gap at an equal distance in a winding axis direction of the primary winding. A switched-mode power supply apparatus has the transformer; a switching element connected to the primary winding of the transformer; and a control circuit configured to control the switching element. 1. A transformer , comprising:a core having a linear center leg portion in a center portion thereof;a primary winding provided around the linear center leg portion of the core;a gap provided in the linear center leg portion of the core at a location where the primary winding faces the linear center leg portion; andat least two secondary windings provided around the linear center leg portion of the core and spaced apart at an equal distance in a winding axis direction of the primary winding from both sides of the primary winding, the at least two secondary windings being spaced apart at an equal distance in the winding axis direction of the primary winding from the gap of the linear center leg portion of the core; andat least one auxiliary winding provided around the core,wherein the secondary windings are disposed closer to the primary winding than the at least one auxiliary winding.2. The transformer in accordance with claim 1 , wherein the at least one auxiliary winding includes at least two auxiliary windings claim 1 , and the at least two auxiliary windings respectively neighbor the secondary windings in the winding axis direction of the primary winding claim 1 , and are connected in parallel to each other.3. The transformer in accordance with claim 1 , wherein the at least one auxiliary ...

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14-01-2021 дата публикации

Insulated wire, coil, and electrical or electronic equipment

Номер: US20210012921A1

An insulated wire, containing a conductor, and an insulating film provided on the periphery of the conductor, in which the insulating film contains a polyimide resin, and the polyimide resin contains the following constituting unit (a) as a tetracarboxylic dianhydride-derived constituting unit and the following constituting unit (b) as a diamine-derived constituting unit, among the constituting units of the polyimide: (a) a constituting unit having a skeleton derived from pyromellitic anhydride and/or a constituting unit having a skeleton derived from 3,3′,4,4′-biphenyltetracarboxylic dianhydride; and (b) a constituting unit having a skeleton derived from 9,9-bis(4-aminophenyl)fluorene.

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14-01-2021 дата публикации

INSULATED WIRE

Номер: US20210012926A1
Принадлежит:

An insulated wire comprising a conductor and a bubble-containing insulating layer, directly or indirectly coating the outer periphery of the conductor and containing a thermosetting resin, wherein the bubbles in the bubble-containing insulating layer include flattened bubbles whose oblateness in the cross-section perpendicular to the longitudinal direction of the insulated wire (lateral length of the bubble cross-sectional shape/vertical length of the bubble cross-sectional shape) is 1.5 or more and 5.0 or less. 1. An insulated wire comprising a conductor and a bubble-containing insulating layer , directly or indirectly coating the outer periphery of the conductor and containing a thermosetting resin ,wherein the bubbles in the bubble-containing insulating layer include flattened bubbles whose oblateness in the cross-section perpendicular to the longitudinal direction of the insulated wire (lateral length of the bubble cross-sectional shape/vertical length of the bubble cross-sectional shape) is 1.5 or more and 5.0 or less.2. The insulated wire according to claim 1 , wherein the ratio of the number of the flattened bubbles among bubbles contained in the bubble-containing insulating layer is 50% or more.3. The insulated wire according to claim 1 , wherein the porosity of the bubble-containing insulating layer is 70% or less.4. The insulated wire according to claim 1 , wherein the thermosetting resin is polyester claim 1 , polyesterimide claim 1 , polyimide claim 1 , or polyamideimide claim 1 , or a combination thereof.5. The insulated wire according to claim 1 , having an outer non-bubble-containing insulating layer claim 1 , directly or indirectly coating the outer periphery of the bubble-containing insulating layer.6. The insulated wire according to claim 1 , wherein the thickness of the bubble-containing insulating layer is 10 μm or more and 250 μm or less.7. The insulated wire according to claim 1 , wherein the flattened bubbles are formed by compression in the ...

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14-01-2021 дата публикации

COIL MODULE AND POWER CONVERTER

Номер: US20210012953A1
Автор: KIM Kwan Ryul
Принадлежит: Denso Corporation

In a coil module, a coil device includes a coil unit and at least one terminal extending from the coil unit. A case is configured to house the coil device. At least one busbar is secured to the case. The at least one terminal is electrically connected to the at least one busbar. A potting member is filled in the case to fixedly retain the coil device in the case. 1. A coil module comprising:a coil device including a coil unit and at least one terminal extending from the coil unit;a case configured to house the coil device;at least one busbar secured to the case, the at least one terminal being electrically connected to the at least one busbar; anda potting member filled in the case to fixedly retain the coil device in the case.2. The coil module according to claim 1 , wherein: an embedded portion embedded in the potting member; and', 'an exposed portion exposed from the potting member., 'the coil device includes3. The coil module according to claim 2 , wherein: a first wall;', 'a second wall opposite to the first wall and having an opening; and', 'a reference axis defined between the first wall and the second wall;, 'the case comprisesthe potting member filled in the case has a surface in the reference axis;the coil unit has a first length in a normal direction to the surface of the potting member; andthe exposed portion of the coil device has a second length in the normal direction to the surface of the potting member, the second length being equal to or more than half the first length of the coil unit.4. The coil module according to claim 1 , wherein:the at least one terminal extends from the coil unit in the reference direction to be exposed from the case through the opening of the second wall of the case;the at least one busbar is embedded in the case while at least one predetermined portion of the at least one busbar is exposed from the case;the at least one predetermined portion of the at least one busbar is exposed from the case to extend in the reference ...

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03-02-2022 дата публикации

TRANSFORMER WITH INTERLEAVED SHIELDING WINDINGS

Номер: US20220037077A1
Автор: Mi Ningliang
Принадлежит: Silanna Asia Pte Ltd

A transformer includes first and second primary windings serially electrically connected in a primary-side series combination. The transformer further includes a secondary winding disposed between the first primary winding and the second primary winding. The transformer further includes first and second shielding windings serially electrically connected in a shielding series combination. The first shielding winding is disposed between the first primary winding and the secondary winding, and the second shielding winding is disposed between the second primary winding and the secondary winding. 1. A transformer , comprising:a first primary winding and a second primary winding serially electrically connected in a primary-side series combination, the primary-side series combination having a first primary-side terminal and a second primary-side terminal;a secondary winding having a first secondary-side terminal and a second secondary-side terminal and being disposed between the first primary winding and the second primary winding;a first shielding winding and a second shielding winding serially electrically connected in a shielding series combination at an intermediate shielding terminal, the shielding series combination having a first shielding terminal and a second shielding terminal;wherein:the first shielding winding is disposed between the first primary winding and the secondary winding; andthe second shielding winding is disposed between the second primary winding and the secondary winding.2. The transformer of claim 1 , wherein:the first primary-side terminal is configured to be electrically connected to a first node at a primary-side of a power converter;the second primary-side terminal is configured to be electrically connected to a second node at the primary-side of the power converter;the first secondary-side terminal is configured to be electrically connected to a first node at a secondary-side of the power converter;the second secondary-side terminal is ...

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17-04-2014 дата публикации

ROLLED-UP INDUCTOR STRUCTURE FOR A RADIOFREQUENCY INTEGRATED CIRCUIT (RFIC)

Номер: US20140103486A1
Принадлежит:

A rolled-up inductor structure for a radiofrequency integrated circuit (RFIC) comprises a multilayer sheet in a rolled configuration comprising multiple turns about a longitudinal axis. The multilayer sheet comprises a conductive pattern layer on a strain-relieved layer, and the conductive pattern layer comprises at least one conductive strip having a length extending in a rolling direction. The at least one conductive strip thereby wraps around the longitudinal axis in the rolled configuration. The conductive pattern layer may also comprise two conductive feed lines connected to the conductive strip for passage of electrical current therethrough. The conductive strip serves as an inductor cell of the rolled-up inductor structure. 1. A rolled-up inductor structure for a radiofrequency integrated circuit (RFIC) , the rolled-up structure comprising:a multilayer sheet in a rolled configuration comprising multiple turns about a longitudinal axis, the multilayer sheet comprising a conductive pattern layer on a strain-relieved layer, at least one conductive strip having a length extending in a rolling direction, the at least one conductive strip thereby wrapping around the longitudinal axis in the rolled configuration; and', 'two conductive feed lines connected to the at least one conductive strip for passage of electrical current therethrough,, 'wherein the conductive pattern layer compriseswherein the conductive strip is an inductor cell of the rolled-up inductor structure.2. The rolled-up inductor structure of claim 1 , further comprising a plurality of the conductive strips disposed along the direction of the longitudinal axis and connected in series by connecting lines.3. The rolled-up structure of comprising n of the conductive strips claim 2 , n being an even number from 2 to 20 claim 2 , and further comprising n−1 of the connecting lines.4. The rolled-up inductor structure of claim 2 , wherein a first connecting line connects a base of a first conductive strip to ...

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17-04-2014 дата публикации

PLANAR TRANSFORMERS HAVING REDUCED TERMINATION LOSSES

Номер: US20140104028A1
Автор: Johnston Mark A.
Принадлежит: COVIDIEN LP

The present disclosure relates to planar transformers including a plurality of circuit layers that are configured to reduce termination losses on at least one of the plurality of circuit layers. The plurality of circuit layers are stacked together in a first direction and include at least first and second circuit layers. The first and second circuit layers each include an electrically conductive trace forming at least one winding having a first termination portion and a second termination portion that are separated by a gap. The gaps of the first and second circuit layers are offset relative to each other in a second direction different from the first direction. The plurality of circuit layers may further include a third circuit layer, which includes an electrically conductive trace having a grounded portion that is disposed adjacent to at least one of the gaps of the first and second circuit layers. 1. A method of manufacturing a planar transformer , the method comprising:forming a first electrically conductive trace of at least one winding on a first circuit layer, the first electrically conductive trace having a first termination portion and a second termination portion defining a first gap therebetween; andforming a second electrically conductive trace of at least one winding on a second circuit layer, the second electrically conductive trace having a first termination portion and a second termination portion defining a second gap therebetween so that, when the first and second circuit layers are stacked together in a first direction, the second gap is offset from the first gap in a second direction perpendicular to the first direction.2. The method of manufacturing according to claim 1 , further comprising forming a third electrically conductive trace into a grounded portion on a third circuit layer so that the grounded portion aligns with at least one of the first and second gaps in the second direction when the third circuit layer is stacked together with the ...

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17-01-2019 дата публикации

COIL AND METHOD FOR MANUFACTURING COIL

Номер: US20190019606A1

A coil of an embodiment is formed by winding a winding conductor in which a conductive conductor is molded by a resin, wherein the winding conductor has the resin filled to a surface of the conductor without leaving any spaces. 1. A coil formed by winding a winding conductor in which a conductive conductor is molded by a resin , wherein the winding conductor has the resin filled to a surface of the conductor without leaving any spaces.2. The coil according to claim 1 , wherein the winding conductor comprises a bundle of conductive thin wires claim 1 , wherein the resin is filled between the thin wires without leaving any spaces.3. The coil according to claim 1 , wherein a periphery of the winding conductor is covered by a nonwoven cloth hardened by the resin.4. The coil according to claim 1 , wherein a periphery of the winding conductor is wound by a tape which does not allow permeation of the resin which is prior to being hardened.5. The coil according to claim 1 , wherein the resin exhibits high thermal conductive property.6. The coil according to claim 1 , wherein the resin has an additive imparting high thermal conductive property added thereto.7. A method of manufacturing a coil comprising:preparing a winding conductor comprising a conductive conductor;winding a nonwoven cloth including a resin hardening accelerator around the winding conductor;spirally winding the winding conductor wound with the nonwoven cloth into a coil shape;impregnating the coil shaped winding conductor with a liquid resin by immersing the winding conductor into the liquid resin;hardening the resin by treating the winding conductor impregnated with the liquid resin with a heat drying furnace.8. The method of manufacturing a coil according to claim 7 , further comprising winding the winding conductor with a tape that does not allow the liquid resin to permeate therethrough while forming gaps before winding the winding conductor with the nonwoven cloth including the resin hardening ...

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28-01-2016 дата публикации

METHOD FOR WINDING COIL ON OBJECT AND WATER PUMP OF CLUTCH TYPE PROVIDED WITH THE SAME

Номер: US20160024992A1
Автор: LEE Tae Won
Принадлежит: HYUNDAI MOTOR COMPANY

A method for winding a coil on an object, wherein the coil includes a plurality of first coils and a plurality of second coils, may have winding the first coils on an exterior circumferences of the second coils, wherein an outer circumferences of the respective second coil is enclosed and in contact with outer circumference of at least three first coils, and wherein cross-sectional area of the second coil is smaller than that of the first coil, and wherein the outer circumference of the at least three first coils are in contact each other. 16-. (canceled)7. A method for winding a coil on an object , wherein the coil comprises a plurality of first coils and a plurality of second coils , the method comprising:winding the first coils on an exterior circumferences of the second coils,wherein an outer circumferences of the respective second coil is enclosed and in contact with outer circumference of at least three first coils, andwherein cross-sectional area of the second coil is smaller than that of the first coil.8. The method of claim 7 , wherein the outer circumference of the at least three first coils are in contact each other.9. A water pump of clutch type which receives a coolant claim 7 , pressurizes the coolant by a rotation of an impeller fixed to a shaft claim 7 , and supplies the pressurized coolant to a cooling circuit claim 7 , the water pump comprising:a pulley connected to a crankshaft so as to rotate according to a rotation of the crankshaft;a hub at which the shaft is mounted so as to rotate together with the shaft;a pin selectively connecting the hub to the pulley;an elastic member always exerting elastic force on the pin; anda coil selectively applying magnetic force to the pin to an opposite direction of the elastic force,wherein the coil is wound on a case and includes first and second coils with different cross-sectional area,the first coil and the second coil are wound on the case by turns, andthe first coil and the second coil are disposed to ...

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26-01-2017 дата публикации

Structure of an Electronic Component and an Inductor

Номер: US20170025208A1
Принадлежит:

An electronic component is disclosed, wherein electronic component comprises: a body; a conductive element disposed in the body; a first lead disposed on the body, wherein a first part of the first lead is disposed on a first surface of the body, a second part of the first lead is disposed on a second surface of the body and a third part of the first lead is disposed on a third surface of the body, wherein the first surface, the second surface and the third surface of the body are not coplanar with each other, wherein the first lead is electrically connected to the conductive element. 1. An electronic component , comprising: a body; a conductive element disposed in the body; and a first lead disposed on the body , wherein a first part of the first lead is disposed on a first surface of the body , a second part of the first lead is disposed on a second surface of the body and a third part of the first lead is disposed on a third surface of the body , wherein the first surface , the second surface and the third surface of the body are not coplanar with each other , wherein the first lead is electrically connected to the conductive element.2. The electronic component of claim 1 , wherein the first part of the first lead is disposed on a bottom surface of the body claim 1 , the second part of the first lead is disposed on a first lateral surface of the body and the third part of the first lead is disposed on a recess of a second lateral surface of the body.3. The electronic component of claim 1 , further comprising a second lead claim 1 , wherein a first part of the second lead is disposed on the first surface of the body claim 1 , a second part of the second lead is disposed on a fourth surface of the body opposite to the second surface and a third part of the second lead is disposed on a fifth surface of the body claim 1 , wherein the first surface claim 1 , the fourth surface and the fifth surface of the body are not coplanar with each other claim 1 , wherein the ...

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