СПОСОБ ИЗГОТОВЛЕНИЯ ИНДУКТИВНОГО ЭЛЕМЕНТА И ИНДУКТИВНЫЙ ЭЛЕМЕНТ

Изобретение относится к электротехнике. Технический результат состоит в упрощении изготовления одновременно множества элементов. Разработан способ изготовления индуктивных элементов, каждый из которых содержит одну катушку. Непрерывную проволоку для нескольких катушек наматывают на множество стержней, расположенных в рядах и столбцах на пластине для намотки проволоки. После этого шаблон со стержнями спрессовывают в пресс-форме с ферромагнитным порошком субстрата, в который погружены катушки. После извлечения шаблона внутреннюю полость катушек еще раз заполняют порошком субстрата и подвергают прессованию. После этого подсоединяют контакты и блок разделяют на отдельные индуктивные элементы, каждый из которых содержит катушку. 12 з.п. ф-лы, 21 ил.

КАТУШКА ИНДУКТИВНОСТИ И СПОСОБ ЕЁ ИЗГОТОВЛЕНИЯ

Изобретение относится к электротехнике. Технический результат состоит в повышении технологичности изготовления. Катушка индуктивности содержит смонтированную внутреннюю сердцевину, электроды и защитную внешнюю оболочку. Смонтированная внутренняя сердцевина содержит обмотку с эмалевой изоляцией и сердечник. Смонтированная внутренняя сердцевина и электроды упрятаны во внутреннее пространство защитной внешней оболочки. 2 н. и 5 з.п. ф-лы, 28 ил.

Spulenkomponente

Eine Spulenkomponente umfasst einen Draht einschließlich eines linearen Zentralleiters und einer Isolierbeschichtungsschicht, die eine Umfangsoberfläche des Zentralleiters bedeckt, und eine Anschlusselektrode, die an einem Endabschnitt des Drahtes elektrisch mit dem Zentralleiter verbunden ist und die eine metallische Platte umfasst. Die Anschlusselektrode umfasst einen Randabschnitt in Kontakt mit dem Draht. Der Randabschnitt ist abgefast.

Induktiver Näherungsschalter

Induktives Bauelement mit einer Vergussmasse

Herstellungsverfahren von elektronischen Komponenten

Induktives Miniatur-Bauelement für SMD-Montage

ELEKTRONISCHE VORRICHTUNG FUER FLACHMONTAGE.

Verfahren zum Herstellen einer Stromerfassungseinrichtung

Verfahren zum Herstellen einer Stromerfassungseinrichtung mit einem einstückigen, u-förmig gebogenen, Stromleiter bestimmter Länge, der einen Mittenabschnitt und zwei Endabschnitte hat und in dem Mittenabschnitt die Form eines Stabes mit nicht-rechteckigem Leiterquerschnitt und in seinen Endabschnitten Abflachungen mit rechteckigem Leiterquerschnitt aufweist, und mit einem im Mittenabschnitt angeordneten magnetischen Modul, das eine den Stromleiter aufnehmende Durchführung aufweist, wobei das Verfahren die Schritte aufweist: Bereitstellen des magnetischen Moduls sowie eines in dem Mittenabschnitt und zumindest einem der Endabschnitte gerade und stabförmig ausgebildeten Stromleiters; Aufbringen einer Zinnauflage auf den Stromleiter in zumindest einem Teil mindestens eines Endabschnitts; Positionieren des Stromleiters und des magnetischen Moduls relativ zueinander, derart, dass der Stromleiter sich mit seinem Mittenabschnitt in der Durchführung des Moduls befindet, und Verformen des Stromleiters ...

Component, especially an electrical component such as a coil, with separate contact element, for mounting on circuit board, has contact zone at bottom of contact element for provision of locating recesses for fixing of coil ends

Mounting of components, especially electrical components, such as a coil, on to a circuit board by means of a automatic equipping machine requires that the contact element is always placed at a given angle on the circuit board, so as to avoid faulty contacting, and to make the automatic machine equipping as free as possible from error, the position of the component's contact elements must be practically identical. The contact element (101a) can be separated from the component, such as a coil, and a contact zone (113) is provided with recesses (115) on either side for location of the coil ends.

Elektromagnetische Induktionsvorrichtung und Verfahren zu deren Herstellung

... [Aufgabe] Es soll eine elektromagnetische Induktionsvorrichtung bereitgestellt werden, die eine geringere Größe aufweist, während ein Kurzschluss vermieden wird. [Lösung] Eine elektromagnetische Induktionsvorrichtung umfasst einen Rumpfabschnitt zum Wickeln einer Spule um den Rumpfabschnitt, einen Backenabschnitt, der sich radial auswärts von einem Endteil in einer axialen Richtung des Rumpfabschnitts erstreckt, einen Anschlussblock, der sich entlang einer Richtung orthogonal zu der axialen Richtung des Rumpfabschnitts auf einem Spitzenteil des Backenabschnitts erstreckt und mit einer Mehrzahl von Anschlüssen, die mit der Spule verbunden werden sollen, ausgestattet ist, und die Spule, die um den Rumpfabschnitt gewickelt werden soll. Die Mehrzahl von Anschlüssen ist jeweils in einer L-Form ausgebildet, die in einem rechten Winkel gebogen ist, und ist nebeneinander entlang einer Erstreckungsrichtung des Anschlussblocks angeordnet, und ein Ende von jedem der mindestens einigen der Mehrzahl ...

SPULENKOMPONENTE

Eine Spulenkomponente, die aufweist:einen Kern mit einem Wicklungskernteil undeine Spule, die um das Wicklungskernteil gewickelt ist und eine Vielzahl von Drähten umfasst, wobeidie Spule einen verdrillten Drahtabschnitt umfasst, bei dem die Vielzahl von Drähten miteinander verdrillt ist, wobeider verdrillte Drahtabschnitt eine Bankregion umfasst, die eine erste Schicht, die in mehreren Windungen kontinuierlich um das Wicklungskernteil gewickelt ist, und eine zweite Schicht, die ausgehend von der ersten Schicht kontinuierlich auf die erste Schicht gewickelt ist, umfasst, und wobeidie Bankregion locker gewickelt ist, wobei die Zahl der Windungen der zweiten Schicht, verglichen mit der Zahl der Windungen der ersten Schicht, um zwei oder mehr verringert ist.

Herstellungsverfahren eines magnetischen Elements mit einem Komposit-Magnetkörper

DRAHTGEWICKELTE INDUKTIVITÄTEN

Verfahren zur Herstellung einer Ansaugfläche auf einem für die SMD-Montagetechnik vorgesehenen elektrischen Bauteil, insbesondere einer Spule, sowie Vorrichtung zur Durchführung des Verfahrens

Verfahren zur Herstellung einer Ansaugfläche auf einem für die SMD-Montagetechnik vorgesehenen elektrischen Bauteil, insbesondere einer Spule, wobei die Ansaugfläche als plane Oberfläche eines auf einer der Montageseite gegenüberliegenden Bauteilseite aufgebrachten, aus einer adhäsionsfähigen Masse bestehenden Massepunktes ausgebildet ist, gekennzeichnet durch folgende Verfahrensschritte: a) Es wird eine adhäsionsfähige Masse in vorgegebener Dosierung auf eine vorgegebene Stelle eines Unterlagebandes aufgebracht; b) Es wird das Bauteil an der vorgegebenen Stelle des Unterlagebandes auf die adhäsionsfähige Masse aufgedrückt und für einen vorgegebenen Zeitraum mit vorgegebenem Anpressdruck dort festgehalten derart, dass sich an der auf dem Unterlageband aufliegenden Seite der adhäsionsfähigen Masse eine plane Oberfläche bildet; c) Während des Zeitraums des Festhaltens wird die adhäsionsfähige Masse einer Vorhärtung unterworfen; d) Nach Abschluss der Vorhärtung wird das Bauteil freigegeben ...

Drahtspulenbauteil und Verfahren seiner Herstellung

Drahtspulenbauteil, das umfasst: einen Trommelkern; erste und zweite Anschlusselektroden, die an einem Flanschabschnitt auf einer Seite einer Befestigungsfläche des Trommelkerns vorgesehen sind; und einen Spulendraht, der um einen Kernabschnitt des Trommelkerns gewickelt ist und dessen gegenüberliegenden Endabschnitte durch Löten mit den ersten bzw. zweiten Anschlusselektroden verbunden werden; wobei: der Flanschabschnitt einen nutartigen Hohlraum, dessen Unterseite offen ist, erste und zweite Schenkelabschnitte, die mit Einfügung des Hohlraums einander gegenüberliegen, und einen stegartigen Zwischenwandabschnitt, der in den Hohlraum vorsteht und von einer Ebene, die die Unterseiten der ersten und zweiten Schenkelabschnitte enthält, um einen Abstand zurückgezogen ist und eine Deckenfläche des Hohlraums in erste und zweite Deckenflächen teilt, enthält; so dass ein vorgegebener Abstand zwischen der Ebene, die die Unterseiten der ersten und zweiten Schenkelabschnitte enthält, und dem Zwischenwandabschnitt ...

Inductive device

An inductive device comprises a conductive film 12 formed on a base 11 with grooves 13 being formed in the said conductive film 12. The base 11 may comprise alumina with a surface roughness of 0.15 - 0.5 ~m and the conductive film 12 may be formed as a single or multiple layer comprising conductive materials. A protective layer of material 14, of a thickness of at least 5 ~m, may be formed over the grooved conductive film. Terminals 15, 16 may be formed with similar dimensions and chamfered edges with certain curvature radii. The arrangement and properties of the conductive and insulating materials employed in the device may be selected to be within certain ranges to provide a robust miniature inductive device which avoids breakage and the Manhattan effect during mounting on a circuit board, as well as peeling and skin effects which may arise during the formation or operation of the component. The device may have a length L1 of 0.5 - 1.5 mm and a width L2 and height L3 of 0.2 - 0.7 mm The ...

Electronic components e.g. inductors

An electronic part comprising an electronic element provided with connector electrodes at both ends, a pair of terminals connected to said both electrodes and extended downwardly therefrom, and a covering of molded insulating resin encasing said electronic element with the exception of the outer end portions of said terminals, said outer end portions being bent to fit the bottom of said covering and then folded vertically upward in contact with the both ends of said covering.

Embedded magnetic component transformer device

A power electronics device or a method of making the same, comprises: an insulating substrate 305 including a cavity 302; a magnetic core 304 located in the cavity; first and second electrical windings passing through the substrate 305 and disposed around first and second, respective, sections of the magnetic core 304 and wherein the first electrical winding 310 includes a first terminal 313 connected to one end of a first winding portion 311 with the other end connected to a tap terminal 314 which is also connected to an end of a second winding portion 312 which has its other end connected to a second terminal 315 and wherein a first transistor TR1 is operated to energise the first winding portion 311 and a second transistor TR2 is operated to energise the second winding portion 312 and in operation the winding portions are energise alternately and at least one of the turns of the first winding portion 311 is interleaved between turns of the second winding portion 312. Also disclosed is ...

NICKEL RHENIUM ALLOY POWDER AND THE NICKEL RHENIUM ALLOY POWDER CONTAINING CONDUCTING COMPOSITION

PLATE, THEREBY MISTAKE MAGNETIC ELEMENT, AND MANUFACTURING PROCESS OF A MAGNETIC ELEMENT

COIL ARRANGEMENTS

SURFACE-MOUNTABLE ELECTRICAL COIL.

LOW PROFILE INDUCTIVE COMPONENT

Continuous method of manufacturing wire wound inductors and wire wound inductorsthereby

Electrical Device, Transformer, and Inductor, and Method of Manufacturing Electrical Device

TRANSFORMER

LOW PROFILE HIGH CURRENT MULTIPLE GAP INDUCTOR ASSEMBLY

ISOLATING MATERIAL ELEMENT FOR THE ASSEMBLY OF INDUCTIVE ELECTRONIC COMPONENTS

An isolating material element (1) for the assembly of inductive electronic components is described. The element comprises a base (3) with two lateral appendixes (5) equipped with through-holes (7) for electric connection terminals (9) and a central through aperture (11). Furthermore, a collar (13) developing from said base and surrounding said aperture is provided.

FORM-LESS ELECTRONIC DEVICE AND METHODS OF MANUFACTURING

Improved form-less electronic apparatus and methods for manufacturing the same. In one exemplary embodiment, the apparatus comprises a shape-core inductive device (200) having a bonded-wire coil (204) which is formed and maintained within the device (200) without resort to a bobbin or other form(er). The absence of the bobbin simplifies the manufacture of the device, reduces its cost and allows it to be made more compact (or alternatively additional functionality to be disposed therein). One variant utilizes a termination header (206) for mating to a PCB or other assembly, while another totally avoids the use of the header by directly mating to the PCB. Multi-core variants and methods of manufacturing are also disclosed.

NICKEL-RHENIUM ALLOY POWDER AND CONDUCTOR PASTE CONTAINING THE SAME

This invention provides a nickel-rhenium alloy powder suitable particular ly for the formation of an internal electrode layer for a stacked ceramic el ectronic component. The nickel-rhenium alloy powder is characterized by comp rising nickel as a main component and further comprising 0.1 to 10% by weigh t of rhenium and 50 to 10,000 ppm, in terms of silicon atom, of silicon. The powder, optionally together with other additive(s), is homogeneously mixed and dispersed in an organic vehicle to prepare a conductor paste. The use of the nickel-rhenium alloy powder particularly for the formation of an intern al electrode for a stacked ceramic electronic component is advantageous in t hat, even in a very fine powder, the start and progress of sintering in a si ntering step are slow, and, thus, the sintering shrink behavior of the elect rode layer can be rendered similar to the sintering shrink behavior of the c eramic layer. Further, spheroidizing of the electrode attributable to oversi ntering ...

INDUCTOR AND METHOD FOR MANUFACTURING THE SAME

The invention relates to a novel inductor, comprising a mounted inner core, electrodes and an outer encasing layer, wherein the mounted inner core comprises an enameled coil and a core shaft, and the mounted inner core and the electrodes are buried into the centre of the outer encasing layer. The novel inductor has the advantages that manufacturability and performances of the inductor can be improved.

NOVEL INDUCTOR AND METHOD FOR MANUFACTURING THE SAME

The invention relates to a novel inductor, comprising a mounted inner core, electrodes and an outer encasing layer, wherein the mounted inner core comprises an enameled coil and a core shaft, and the mounted inner core and the electrodes are buried into the centre of the outer encasing layer. The novel inductor has the advantages that manufacturability and performances of the inductor can be improved.

INDUCTANCE DEVICE AND WIRELESS TERMINAL EQUIPMENT

Miniature inductor

Miniature inductor used as positive-booster coil in a control circuit of a piezoelectric buzzer or the like, comprises a closed magnetic circuit formed of two cores (36, 37) covering the outer periphery of a coil (35) wound around the internal cores. A pair of windows (38) are cut out from the outer periphery of each of the said cores (36, 37). Junction plates (31) arranged on the inner face of the back of one core (37) have connection blocks (32) projecting respectively outside these windows (38) in such a way that the connection blocks (32) are adapted so as to be bent (at 33) above one another, and so that the end (39) of each conductive wire of the coil (35) is guided through the cut-out window (38) and interposed between the bent (at 33) connection blocks (32) and is thus connected to the said connection blocks. ...

Inductor device

The inductor device consists essentially of a base element (21), a coil (28) and a cap element (31). The base element (21) contains a base plate (22) having two mutually opposite main surfaces. One (the upper) main surface carries a coil core (23), the coil (28) and the cap element (31) which encloses these elements in a sealed manner. The other (lower) main surface is provided with two electrically insulated contact surfaces (26, 27) onto which the winding wire ends (29, 30) of the coil (28) are soldered. ...

TUNABLE HELIX CIRCLE.

TUNABLE HELIX BAND FILTER FOR THE HIGH FREQUENCY RANGE.

Wire wound inductor and method of manufacturing the same

Chip-type coil component

There is provided a chip-type coil component, including: a body formed by laminating a plurality of magnetic layers, and having a lower surface provided as a mounting area, an upper surface corresponding thereto, two end surfaces, and two lateral surfaces,conductor patterns formed on the magnetic layers, respectively, and connected to each other to have a coil structure,and external electrodes formed on at least one external surface of the body, and electrically connected to the conductor patterns, the external electrodes each being formed on the lower surface and spaced apart from edges thereof. Short circuits between electronic components may be prevented and sticking strength between the chip-type coil component and a substrate may be increased.

Inductor component

Power inductor

COIL COMPONENT AND METHOD FOR MANUFACTURING THE SAME

Electronic component and methods relating to same

Semiconductor power device having a stacked discrete inductor structure

A power device includes a discrete inductor having contacts formed on a first surface of the discrete inductor and at least one semiconductor component mounted on the first surface of the discrete inductor and coupled to the contacts. The discrete inductor further includes contacts formed on a second surface opposite the first surface and routing connections connecting the first surface contacts to corresponding second surface contacts. The semiconductor components may be flip chip mounted onto the discrete inductor contacts or wire bonded thereto.

APPARATUS WITH 3D WIREWOUND INDUCTOR INTEGRATED WITHIN A SUBSTRATE

Integrated multi-phase power inductor with non-coupled windings and methods of manufacture

Electronic component manufacturing method

Surface-mounted reactor and manufacturing method thereof

Inductance element and manufacturing method thereof

Inductor with thermally stable resistance

Common mode wave filter

Ceramic core, wire-wound electronic component, and manufacturing method for ceramic core

INDUCTIVE ELECTRONICS COMPONENT COATS

ELEMENT INDUCTIF ET SON PROCEDE DE FABRICATION

UN ELEMENT INDUCTIF COMPREND NOTAMMENT DES PISTES CONDUCTRICES 8, 9 EN CUIVRE ET UN MANDRIN 11 DISPOSES SUR UN SUBSTRAT 7, ET UN FIL DE BOBINAGE ISOLE 12 EST ENROULE AUTOUR DU MANDRIN AVEC SES DEUX PARTIES D'EXTREMITE SOUDEES AUX PISTES CONDUCTRICES 8, 9 PAR UNE OPERATION DE SOUDAGE PAR ULTRASONS. LES EXTREMITES DU FIL DE BOBINAGE SONT AINSI SOUMISES A UN ECHAUFFEMENT LOCAL PAR L'APPLICATION D'UNE VIBRATION ULTRASONORE, SANS QU'IL SOIT NECESSAIRE DE CHAUFFER L'ENSEMBLE DE LA BOBINE, ET ON PEUT AINSI FORMER DIRECTEMENT UN ELEMENT INDUCTIF SUR LE SUBSTRAT 7.

INDUCTIVE ELEMENT AND ITS MANUFACTURING METHOD

INDUCTANCE

COMPOSANT ELECTRIQUE, NOTAMMENT MICRO-INDUCTANCE, PRESENTANT, NOYE DANS UN CORPS, AU MOINS UN CONDUCTEUR D'EXTREMITE 12 CONNECTE ELECTRIQUEMENT A UNE BORNE DE SORTIE 16. CETTE BORNE DE SORTIE COMPORTE, A L'INTERIEUR DU CORPS, UNE PATTE 25 A LAQUELLE L'EXTREMITE 12 DU FIL CONDUCTEUR EST FIXEE PAR ACCROCHAGE.

INDUCTANCE DEVICE AND METHOD OF MAKING SAME

CERAMIC ELECTRONIC COMPONENT

... 전자부품 본체에 금속 단자가 장착된 세라믹 전자부품에 있어서, 그 세라믹 전자부품을 실장 기판에 리플로우 처리에 의해 실장할 때에, 금속 단자로부터 전자부품 본체가 탈락하는 것을 방지할 수 있는 세라믹 전자부품을 제공한다. 세라믹 전자부품(1)은, 전자부품 본체(10)와 제1 및 제2의 금속 단자(12,13)에 의해 구성된다. 전자부품 본체(10)는 세라믹 소체(16)와 제1 및 제2의 외부전극(18a,18b)을 가진다. 그리고, 전자부품 본체(10)의 제1 및 제2의 외부전극(18a,18b)과 제1 및 제2의 금속 단자(12,13)가 Sn을 주성분으로 하는 솔더(14)에 의해 접속되어 형성되어 있다. 제1 및 제2의 금속 단자(12,13)와 제1 및 제2의 외부전극(18a,18b)의 접합 계면에 있어서의 적어도 일부에는 Ni-Sn을 포함하는 합금층(46)이 형성되어 있다.

코일 부품

... 코일 부품에 의하면, 코일의 권회부의 상면이 수지벽과 접하는 높이 위치가 상면에서의 최저 높이 위치보다도 높고, 도금부가 수지벽의 내측면을 따라 오르고 있다. 그러므로, 수지벽과 접하는 영역에서의 권회부가 수지벽을 지지하도록 보강되어 있다. 이 경우, 코일의 권회부의 상면이 수지벽과 접하는 높이 위치와 높이 위치가 같은 경우에 비해, 수지벽의 강도가 증가하고 있다. 그에 따라, 코일 부품의 강도 향상을 도모할 수 있다.

칩 전자부품 및 그 제조방법

... 본 발명은 칩 전자부품 및 그 제조방법에 관한 것으로, 보다 상세하게는 별도의 추가 절연 공정 없이도 박막 절연층의 형성에 따른 미절연 불량을 개선할 수 있는 칩 전자부품 및 그 제조방법에 관한 것이다.

복합 전자 부품

... 접합되는 복수의 전자 부품 중 기판형의 전자 부품에서의 상면 도체끼리의 절연 저항의 저하를 억제할 수 있는 복합 전자 부품을 제공한다. 복합 전자 부품(1A)은 제1 전자 소자(20A)와, 제2 전자 소자(10)와, 접합재(31)를 포함한다. 제1 전자 소자(20A)는, 기부(21)와 기부(21)의 상면(21a)에 마련된 상면 도체(24A)를 갖는다. 제2 전자 소자(10)는, 기부(21)의 상면(21a)에 대향하는 하면(11a)을 갖는 소자 본체(11)와, 소자 본체(11)의 하면(11a)에 마련된 단자 도체(14A)를 갖는다. 접합재(31)는 상면 도체(24A)와 단자 도체(14A)를 접합한다. 상면 도체(24A)는, 중량비에서 최대의 금속 성분이 Ag인 도전층(24a)을 포함한다. 도전층(24a)의 측면(24a1)은, 보호 금속막으로서의 도전층(24b, 24c)에 의해 덮이고, 보호 금속막으로서의 도전층(24b, 24c)에 함유된 중량비에서 최대의 금속 성분은 Ag 및 Cu 이외이다.

COIL COMPONENT AND MANUFACTURING METHOD FOR THE SAME

ELECTRONIC COMPONENT

인덕터

... 본 발명은 적어도 하나의 인출부를 가지는 코일을 매설하며, 자성 파티클을 포함하는 자성 바디와, 상기 자성 바디의 외부면에 배치되는 외부전극을 포함하며, 상기 자성 바디는 내부에 캐비티(cavity)를 가지는 에어갭(air gap)을 포함하는 인덕터에 관한 것이다.

COIL COMPONENT AND MANUFACTURING METHOD FOR THE SAME

적층형 비드 및 그 실장 기판

... 복수의 세라믹 층이 적층된 바디; 상기 복수의 세라믹 층에 형성된 복수의 내부 전극 패턴; 및 상기 바디의 양 측면에 형성되고 상기 복수의 내부 전극 패턴의 조합으로 형성된 내부 코일의 양 단과 각각 전기적으로 연결되는 제1 및 제2 외부 전극;을 포함하고, 상기 복수의 세라믹 층의 적층 방향은 상기 제1 및 제2 외부 전극이 형성된 바디의 양 측면과 평행하며, 상기 내부 코일의 코일 축은 상기 바디의 실장 면과 평행한 적층형 비드와 그 실장 기판이 개시된다.

CHOKE COIL CAPABLE OF INDEPENDENTLY CONTROLLING LEAKAGE INDUCTANCE

PURPOSE: A choke coil is provided to resolve circuit malfunction and a noise problem by reducing a quantity of magnetic flux leaked to the outside. CONSTITUTION: A first primary coil unit(10) is formed by coiling a primary coil n times. A second primary coil unit(11) is formed by coiling the primary coil N times. A first secondary coil unit(20) is formed by coiling a secondary coil N times. A second secondary coil unit(21) is formed by coiling a secondary coil n times. The n and the N satisfy an n <= N condition. COPYRIGHT KIPO 2013 ...

MULTI-LAYER, MULTI-FUNCTIONING PRINTED CIRCUIT BOARD

A multi-layer and multi-functioning printed circuit board (PCB) defines a magnetic component formed using planar technology and multiple PCBs (525, 530 and 535), each having four or six layers and each including a single winding. One set of windings (540) is configured as an inductor and a second set of windings (526, 527) and (536) is configured as a transformer. The PCBs are stacked in an offset arrangement such that pins (501-507) connecting one set of windings on a PCB or PCBs to a main circuit board do not penetrate the PCB or PCBs including another set of windings. The invention is configured to function both as an inductor and a transformer. © KIPO & WIPO 2007 ...

CERAMIC ELECTRONIC COMPONENT WITH HIGH MECHANICAL DURABILITY

PURPOSE: A ceramic electronic component is provided to improve mechanical durability by including a plurality of first reinforcement layers in a ceramic body. CONSTITUTION: A ceramic body(10) includes a first cross section(10e) and a second cross section(10f). A first inner electrode(11) faces a second inner electrode(12). The first inner electrode and the second inner electrode are formed in an effective part(10A). A first reinforcement layer(17a) is laminated along a thickness direction. The volume ratio of the first reinforcement layer is larger than the volume ratio of the first and second inner electrodes. COPYRIGHT KIPO 2012 ...

COIL COMPONENT AND MANUFACTURING METHOD THEREOF

COIL COMPONENT AND BOARD FOR HAVING SAME

Provided are a coil component and a board having the same. The coil component comprises: a magnetic body including first and second coil parts disposed to be symmetrical to each other on one surface of a substrate on the basis of a central portion of the magnetic body and third and fourth coil parts disposed to be symmetrical to each other on the other surface of the substrate on the basis of the central portion of the magnetic body; and first to fourth external electrodes disposed on outer surfaces of the magnetic body and connected to the first to fourth coil parts. COPYRIGHT KIPO 2016 ...

인덕터 및 이를 제조하는 방법

... 본 발명은 장착된 내부 코어, 전극들 및 외부의 감싸는 층을 포함하는 신규한 인덕터에 관한 것으로, 장착된 내부 코어는 에나멜 코일 및 코어 샤프트를 포함하고, 장착된 내부 코어 및 전극들은 외부의 감싸는 층 내에 내장된다. 신규한 인덕터는 인덕터의 제조가능성 및 성능이 향상될 수 있는 장점을 가진다.

LAMINATED COIL CAPABLE OF IMPROVING THE DC SUPERIMPOSITION PROPERTY OF A COIL

PURPOSE: A laminated coil is provided to improve a coil property by making a coil pattern large without increasing the whole shape thereof. CONSTITUTION: A laminate(3) is comprised an insulating layer(1) and a coil pattern(2). The coil(5) is formed inside the laminate. A pair of outer electrodes are formed in both ends of the laminate. A pair of outer electrodes is respectively connected with both ends of the coil. An insulating layer(7) is formed in the outer circumference of the laminate. COPYRIGHT KIPO 2012 ...

COIL PART AND MANUFACTURING METHOD THEREOF

Disclosed are a coil part which can stably mount a coil and mass produce the coil easily even when manufacturing a small coil part, and a manufacturing method thereof. The coil part comprises a body in which a winding coil and a plurality of guide members are disposed, wherein the plurality of guide members are disposed to be spaced apart from each other along an outer circumference of the winding coil and each of the plurality of guide members has an exposure surface exposed to the outside of the body. COPYRIGHT KIPO 2018 ...

ELECTRICAL DEVICE INCLUDING COILS WITH EXTRACTING PORTIONS WITH ENDS CONNECTED TO TERMINALS, TRANSFORMER, INDUCTOR, AND METHOD OF MANUFACTURING ELECTRICAL DEVICE

PURPOSE: An electrical device, a transformer, an inductor, and a method of manufacturing an electrical device are provided to shorten the time taken by a winding process and reduce production costs for transformer. CONSTITUTION: An electrical device comprises one or more coils. Each of the coils includes a winding core wound with a coil; and at least a set of terminals opposed with each other through the winding core, and disposed in a region having ends of a winding space of the winding core as boundaries. The coil has extracting portions crossing with each other, wherein the extracting portions are connected to the terminals. © KIPO 2005 ...

적층 인덕터의 제조 방법 및 적층 인덕터

L값이나 Q값의 열화를 저감할 수 있음과 함께, 제품마다의 L값이나 Q값의 변동을 작게 할 수 있는 적층 인덕터를 제공한다. 적층 인덕터의 제조 방법은, 제1 자성층에 제1 코일 도체층을 적층하는 제1 공정과, 제1 코일 도체층의 폭 방향의 측면에 제1 소실재를 적층하는 제2 공정과, 제1 코일 도체층에 접촉하지 않도록 제1 소실재와 제1 자성층에 제2 자성층을 적층하는 제3 공정과, 제1 코일 도체층의 상면의 폭 방향 외측의 제2 자성층에 제2 소실재를 적층하는 제4 공정과, 제2 자성층에 접촉하지 않도록 제1 코일 도체층의 상면과 제2 소실재에 제2 코일 도체층을 적층하는 제5 공정과, 제2 코일 도체층의 폭 방향의 측면 및 상면에 제3 소실재를 적층하는 제6 공정과, 제2 코일 도체층에 접촉하지 않도록 제3 소실재의 폭 방향의 측면과 제2 자성층에 제3 자성층을 적층하는 제7 공정과, 제3 소실재와 제3 자성층에 제4 자성층을 적층하는 제8 공정과, 제1, 제2 및 제3 소실재를 소성에 의해 소실시키는 제9 공정을 갖는다.

인덕터

... 본 개시는 코일부를 포함하는 바디, 및 상기 바디의 외부면 상에 배치되는 외부전극을 포함하고, 상기 코일부는 복수의 개구 패턴을 가지는 절연체 및 상기 복수의 개구 패턴의 개구부 내로 충진된 복수의 코일 패턴을 포함하고, 상기 복수의 코일 패턴 중 한 코일 패턴의 최대 두께 (A) 는 상기 코일 패턴의 측면과 맞닿는 절연체의 두께 (B) 보다 큰 인덕터에 관한 것이다.

INDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME

Electronic component

To provide an electronic component which is capable of achieving good direct current superposition characteristics. A laminate (12) is configured by laminating magnetic layers and a non-magnetic layer (20) and has a rectangular parallelepiped shape. A coil conductor (16) is a linear conductor which is laminated together with the magnetic layers and the non-magnetic layer (20) and connects end faces (S3, S4) of laminates (12) that face each other in the x-axis direction. The length (L2) of the end faces (S3, S4) in the z-axis direction is shorter than the length (L1) of the end faces (S3, S4) in the y-axis direction.

Power inductor and method of manufacturing the same

The present invention relates to a power inductor and method of manufacturing the same comprises winding sleeve and winding setting in the winding sleeve. The winding sleeve has a step section in the one end. The insulator housing insert molding with the step section, and the insulator housing coving the step section. As a result, the power inductor is easy to manufacture, with the high efficiency and lower cost.

Powder-compressed assembly and its manufacturing method

A power-compressed assembly and its manufacturing method are disclosed. The powder-compressed assembly includes a pressed main body and at least one metal clip served as an electrical contact to exterior. When the main body and the clip are assembled, a force is pressed onto the clip so that the clip is deformed to tightly fasten the predetermined recess of the main body. Therefore, the main body and the metal clip are tightly assembled.

Electrical component and the fabrication method thereof

An electrical component and the fabrication method thereof is disclosed, wherein the electrical component comprises: a body; a conductive element disposed in the body, wherein at least one portion of a terminal part of the conductive element is exposed outside of the body; a metal foil having an adhesive material on the bottom surface thereof, the metal foil being adhered on the body through the adhesive material and covering a first portion of the terminal part of the conductive element, wherein a second portion of the terminal part of the conductive element is not covered by the metal foil; and a metal layer, overlaying on the metal foil and covering the second portion of the terminal part of the conductive element, wherein the metal layer is electrically connected to the second portion of the terminal part of the conductive element for electrically connecting with an external circuit.

Electronic device base having a sliding rail unit formed between the base body and the top lid body in parallel for the top lid body to slide horizontally with respect to the base body for assembling or disassembling conveniently

An electronic device base for mounting several coils is disclosed, which comprises a base body, a top lid body, and two sliding rail units. The base body has two first abutting surfaces spaced at left and right sides. The top lid body has two second abutting surfaces abutting against the first abutting surfaces respectively. The sliding rail unit is formed between the base body and the top lid body in parallel on the left and right sides. Each sliding rail unit comprises the first embedding part formed on the first abutting surface, and the second embedding part formed on the second abutting surface and slideably embedded in the first embedding part. By the design of sliding rail unit in the electronic device base, the top lid body can slide horizontally with respect to the base body for being assembled or disassembled conveniently.

Inductor coil structure and method for making same

A high current, low profile inductor includes a conductor coil surrounded by magnetic material to form an inductor body. The inductor coil is formed from a flat plate which is cut into a sine-shaped configuration and then is folded in accordion fashion to create a helical coil.

INDUCTIVE COMPONENT AND METHOD OF MANUFACTURING SAME

An inductive component in accordance with the invention includes a core (18) which is connected to a base (12) via a film (22) having an adhesive coating on at least one side. In a preferred form, the core is made of a magnetic material such as ferrite and the base has a plurality of metalized pads (16) attached thereto for electrically and mechanically connecting the component to a printed circuit board (PCB). The component further includes a winding of wire (20) wound about at least a potion of the core, with the ends (20a, 20b) of the wire winding being electrically and mechanically connected to the metalized pads.

SHIELDED INDUCTORS

An inductor (10) includes a core (14), a coil (12) disposed about the core, and a shield (40). The shield and the core are connected to each other so that a closed magnetic loop is formed. The core may be a single piece or made up of a pair of core segments (50, 52). The shield may include two halves or portions or may include a cover with a base. The core may be unitary with the shield at one or both ends thereof. In embodiments where the shield includes two portions, the portions may have substantially identical geometry and dimensions.

INDUCTOR COIL STRUCTURE AND METHOD FOR MAKING SAME

L'invention concerne un inducteur extra-plat à fort courant comprenant une bobine d'induction entourée d'une matière magnétique de manière à former un corps d'induction. La bobine d'induction est formée à partir d'une plaque plane coupée de manière à présenter une configuration sinusoïdale, puis pliée en accordéon pour former une bobine hélicoïdale.

CORE FOR A WIRE-WOUND ELECTRONIC COMPONENT, A WIRE-WOUND ELECTRONIC COMPONENT AND A METHOD FOR MANUFACTURING A CORE FOR A WIRE-WOUND ELECTRONIC COMPONENT

A wire-wound electronic component, a core for a wire-wound electronic component and a method for manufacturing a core for a wire-wound electronic component are provided. A winding core portion of a core of a wire-wound electronic component includes flanges at respective ends of the winding core portion, and project in directions perpendicular to an axial direction of the winding core portion. Concaves are positioned at corners formed of adjoining surfaces of the flanges that adjoin to the winding core portion and end surfaces of the flanges that are located at ends in a first perpendicular direction, which is one of the projecting directions of the flange. Connecting surfaces, which connect contact portions where the flanges contact with the winding core portion to the end surfaces, are at least part of inner peripheries of the concaves. All normal vectors of the connecting surfaces have components in the first perpendicular direction.

Coil component and method of manufacturing the same

A coil component includes a body part including a magnetic material; a coil part disposed in the body part; and an electrode part disposed on the body part, wherein the coil part includes a supporting member, a coil conductor disposed on at least one surface of the supporting member and having a conductor pattern of a planar coil shape, and an insulator filling a space between the conductor patterns and covering an outer surface of the conductor pattern, and the conductor pattern has an aspect ratio (H1/W1), which is a ratio of a height H1 to a width W1, of 3 to 9, and a method of manufacturing the same.

Flyback transformer wire attach method to printed circuit board

A method of forming a surface mount transformer. The method comprises winding insulated wire around a magnetic core to form at least one secondary transformer coil, winding insulated wire around the magnetic core to form at least one primary transformer coil, attaching wire ends of the at least one primary coil to at least first and second vias of a printed circuit board (PCB), attaching wire ends of the at least one secondary coil to at least third and fourth vias of the PCB, affixing the coils and the magnetic core to the first side of the PCB, and attaching the coil wire ends flush to a surface of the vias on the second side of the PCB.

Electronic component

An electronic component includes a body; a coil including a first coil conductor, a second coil conductor, and a via conductor; and an internal magnetic circuit provided on an inner peripheral side of the coil. The first coil conductor is formed of a plurality of straight portions and a plurality of arc-shaped portions and is substantially spiral shaped. A portion of the first coil conductor located furthermost toward the inner peripheral side is an arc-shaped first connection portion. The second coil conductor is formed of a plurality of straight portions and a plurality of arc-shaped portions and is substantially spiral shaped. A portion of the second coil conductor located furthermost toward the inner peripheral side is an arc-shaped second connection portion. An end of the via conductor is connected to the first connection portion and another end of the via conductor is connected to the second connection portion.

INDUCTOR COMPONENT AND METHOD FOR MANUFACTURING INDUCTOR COMPONENT

An inductor component includes an element body having magnetism, a resin layer provided inside the element body, and inductor wirings provided inside the element body and having a contact surface that is in contact with the resin layer. A configuration ratio of the inductor wirings is equal to or less than about “0.9”. In a transverse plane of the inductor wirings perpendicular to an extending direction of the inductor wirings, in a case where a largest dimension among dimensions in a height direction perpendicular to the contact surface is defined as a maximum dimension, the configuration ratio is a ratio of the largest dimension to a dimension of the contact surface in the transverse plane.

Shielded inductors

An inductor includes a core, a coil disposed about the core, and a shield. The shield and the core are connected to each other so that a closed magnetic loop is formed. The core may be a single piece or made up of a pair of core segments. The shield may include two halves or portions or may include a cover with a base. The core may be unitary with the shield at one or both ends thereof. In embodiments where the shield includes two portions, the portions may have substantially identical geometry and dimensions.

COIL COMPONENT

A connection section of a terminal electrode includes a reference surface, and an end portion of a wire and the connection section of the terminal electrode are connected to each other via a weld lump rising from the reference surface. A cover section to regulate an upper limit of the rise of the wire from the reference surface is provided in the terminal electrode. The cover section is so positioned as to cover at least part of the wire when viewed in a direction perpendicular to a direction in which the reference surface extends.

Low profile high power surface mount transformer

A low profile transformer comprises a support member for supporting a coil winding, a first elongated conductive tape forming at least one conductor having lead terminals formed integral therewith formed into a first coil of multiple turns, a second elongated conductive tape having lead terminals formed integral therewith forming at least one conductor formed into a second coil of at least one turn interleaved with the first coil, and each terminal lead of each of the tapes extending from the support member and having a portion disposed at a base of the transformer for engagement and surface bonding to a PC board.

Ceramic electronic component

A ceramic electronic component includes a plurality of first reinforcement layers. The plurality of first reinforcement layers are arranged in a first outer layer portion so as to extend in the length direction and in the width direction, and are stacked in the thickness direction. The volume proportion of the plurality of first reinforcement layers in a region of the ceramic body in which the plurality of first reinforcement layers are provided is greater than the volume proportion of the first and second internal electrodes in an effective portion.

Low Profile Inductors For High Density Circuit Boards

An inductor includes a core formed of a magnetic material and a foil winding wound at least partially around or through at least a portion of the core. A first end of the winding extends away from the core to form an extended output tongue configured and arranged to supplement or serve as a substitute for a printed circuit board foil trace. A second end of the winding forms a solder tab. At least a portion of the extended output tongue and the solder tab are formed at a same height relative to a bottom surface of the core. Another inductor includes a core formed of a magnetic material, a winding wound at least partially around or through at least a portion of the core, and a ground return conductor attached to the core. The core does not form a magnetic path loop around the ground return conductor.

Stacked inductor using magnetic sheets, and method for manufacturing same

The present invention relates to a multilayered chip power inductor with high direct current superposition characteristics and high-frequency characteristics, particularly to a multilayered chip power inductor using as magnetic materials a magnetic sheet filled up with soft magnetic metal powder and a magnetic core. The present invention is to provide a multilayered chip power inductor achieving high inductance and direct current superposition characteristics. In order to achieve the objective, the present invention provides a multilayered chip power inductor using a magnetic sheet, characterized in that a plurality of magnetic sheets are laminated, wherein an electrical conductive circuit is formed on the surfaces of said sheets; that a terminal is formed at an outermost part; that said electrical conductive circuit and said terminal are electrically connected through via holes, and form a circuit in the form of a coil; and that a magnetic core is inserted into said circuit, and a method for manufacturing the same.

Coil component

As an embodiment, a pair of first conductive films 12, 13 are formed from the side face to the bottom face of the sheet part 11 a of a magnetic core 11, and one end 14 b of the conductive wire of the coil 14 and the other end 14 c of the conductive wire are joined to the side faces 12 a, 13 a of the first conductive films 12, 13, respectively. Also, as an embodiment, the joined parts 14 b 1, 14 c 1 are sandwiched by the side faces 12 a, 13 a of the first conductive films 12, 13 and the part 15 a of the magnetic sheath 15 covering the side face of the sheet part 11 a of the magnetic core 11, wherein the parts of the magnetic sheath 15 covering the joined parts 14 b 1, 14 c 1 are sandwiched by the side faces 12 a, 13 a of the first conductive films 12, 13 and the side faces 16 a, 17 a of second conductive films 16, 17 as well as the side faces 18 a, 19 a of third conductive films 18, 19.

Method of manufacturing inductor

A method of manufacturing an inductor includes a lamination step, a division step, a firing step, and a plating step. In the lamination step, a laminate including an insulator, a coil body, and external electrodes is formed. That is, in the lamination step, insulating layers having wide filling conductors, insulating layers having narrow filling conductors, and conductor patterns having external electrode patterns are laminated. As a result, the conductor patterns form the coil body, and the wide filling conductors, the narrow filling conductors, and the external electrode patterns form the external electrodes. The narrow filling conductors have a width that is less than the widths of the wide filling conductors and the external electrode patterns, and recesses and projections are provided in the external electrodes.

Magnetic member

A magnetic member includes a substrate and a magnetic element. A configuration groove is formed on the substrate, so as to accommodate the magnetic element. Furthermore, a first electrode is formed on a periphery of the substrate, so that ends of a conductive coil of the magnetic element are electrically laid thereon. A guide groove is formed on a position adjacent to the first electrode, and the guide groove is filled with a conductive metal, so that the first electrode is electrically connected to the guide groove. In this way, after an IR reflow process of the magnetic member, conditions of abnormal adhesion and poor conductivity are avoided. The magnetic member is applicable to various electronic devices requiring the magnetic elements, for example, a communication circuit and a frequency conversion circuit.

Laminated ceramic electronic component

In a laminated ceramic electronic component, a first functional portion and a second functional portion are disposed within a ceramic element body so as to be adjacent to each other along a height direction, first and second internal electrodes face each other through a ceramic layer in the first functional portion, and third and fourth internal electrodes whose number of laminated layers is different from the number of laminated layers of the first and second internal electrodes face each other through the ceramic layer in the second functional portion. A marking internal conductor is disposed on the same plane as the first internal electrode and/or the second internal electrode, a marking external conductor is disposed on the side surface of the ceramic element body so as to link a plurality of exposed marking internal conductors such that it is possible to recognize vertical directionality.

Miniature shielded magnetic component

Low profile, shielded magnetic components for circuit board applications include self centering core and coil assemblies with coil receptacle and centering projections formed in core pieces that are assembled around a preformed coil. Welding and plating techniques for forming termination structure for the preformed coil avoid thermal shock issues. External gapping elements and agents to form a gapped core structure are avoided, and gap size in the cores may be tightly controlled over large production lot sizes.

Magnetic element

A magnetic element including: a first magnetic core including a coil which is wound by a predetermined number of turns; a second magnetic core which includes the coil in the inside thereof and which is combined along the outer circumference of the first magnetic core; and a metal terminal which connects the coil and a mounting substrate, wherein the metal terminal includes a fixing portion for fixing the second magnetic core in a state of combining the first magnetic core and the second magnetic core.

Method for manufacturing multilayer ceramic electronic component

A method for manufacturing a multilayer ceramic electronic component significantly reduces and prevents swelling or distortion when a conductive paste is applied to a green ceramic element body. A ceramic green sheet used in the method satisfies 180.56≦A/B wherein A is a polymerization degree of an organic binder contained in the ceramic green sheet, and B is a volume content of a plasticizer contained in the ceramic green sheet.

Laminated ceramic electronic component and manufacturing method therefor

A method for manufacturing a laminated ceramic electronic component enables formation of a plating film as at least a portion of an external electrode which connects exposed ends of internal electrodes. A component main body including a plurality of ceramic layers and a plurality of internal electrodes partially exposed from the component main body is prepared such that the component main body has a conductive region formed by diffusion of a conductive component included in the internal electrodes at the end surfaces of the ceramic layers located between adjacent exposed ends of the plurality of internal electrodes. The ceramic layers are preferably composed of a glass ceramic containing a glass component of about 10 weight % or more. A plating film is formed directly on the component main body by growing the exposed ends of the internal electrodes and the conductive region as nucleuses for plating deposition.

Inductor

An inductor includes a first core, a conducting wire, a second core and a first lead frame. There is an accommodating space formed on a first side of the first core and there is a recess portion formed on a second side of the first core, wherein the first side is opposite to the second side. The first core has a first height. The conducting wire is disposed in the accommodating space. The second core is disposed on the first side of the first core and covers the accommodating space. The first lead frame has an embedded portion embedded in the recess portion. The embedded portion has a second height. After embedding the embedded portion in the recess portion of the first core, a total height of the embedded portion and the first core is smaller than the sum of the first height and the second height.

Ceramic electronic component and manufacturing method thereof

A ceramic electronic component includes a ceramic body, an inner electrode, an outer electrode, and a connecting portion. The inner electrode is disposed inside the ceramic body. The end portion of the inner electrode extends to a surface of the ceramic body. The outer electrode is disposed on the surface of the ceramic body so as to cover the end portion of the inner electrode. The outer electrode includes a resin and a metal. The connecting portion is disposed so as to extend from an inside of the outer electrode to an inside of the ceramic body. In a portion of the surface of the ceramic body on which the outer electrode is disposed, the length of the connecting portion that extends in a direction in which the inner electrode is extends about 2.4 μm or more.

Method for making inductor coil structure

An electrical component is disclosed. The electrical component includes a current conducting coil having inside and outside surface and terminal ends that are configured for connection to an electrical circuit and compressed iron particles that form a body which completely contacts the inside and outside surfaces of the coil for magnetically shielding the coil and leaving the terminal ends exposed for connection to the electrical circuit.

MAGNETIC ELECTRICAL DEVICE

A magnetic component and a method for manufacturing a low profile, magnetic component. The method comprises the steps of providing at least one sheet, coupling at least a portion of at least one winding to the at least one sheet, and laminating the at least one sheet with at least a portion of the at least one winding. The magnetic component comprises at least one sheet and at least a portion of at least one winding coupled to the at least one sheet, wherein the at least one sheet is laminated to at least a portion of the at least one winding. The winding may comprise a clip, a preformed coil, a stamped conductive foil, or an etched trace using chemical or laser etching. The sheet may comprise any material capable of being laminated and/or rolled, including, but not limited to, flexible magnetic powder sheets. 129-. (canceled)30. An electromagnetic component , comprising:a plurality of flexible magnetic powder sheets, wherein each of the plurality of flexible magnetic powder sheets is substantially planar and capable of being laminated to adjacent ones of the plurality of flexible magnetic powder sheets when arranged in a stack; andat least one preformed multiple turn conductive winding separately fabricated and separately provided from all of the plurality of flexible magnetic powder sheets, wherein at least one of the plurality of flexible magnetic powder sheets is pressed directly to and around the at least one multiple turn preformed conductive winding to define a magnetic core area for the at least one multiple turn preformed conductive winding.31. The electromagnetic component of claim 30 , wherein the at least one preformed multiple turn conductive winding comprises an elongated claim 30 , flexible and freestanding wire conductor including a first lead claim 30 , a second lead claim 30 , and an axial length therebetween claim 30 , the axial length being curved into a coil.32. The electromagnetic component of claim 30 , further comprising at least a first ...

Multilayered inductor and method of manufacturing the same

There is provided a multilayered inductor, including: an inductor body; a coil part formed on the inductor body and having a conductive circuit and a conductive via; and external electrodes formed on both end surfaces of the inductor body, wherein the inductor body includes 65 to 95 wt % of a metallic magnetic material and 5 to 35 wt % of an organic material.

Chip inductor and method for manufacturing the same

The present invention relates to a chip inductor including: a metal-polymer composite in which metal particles and polymer are mixed; a wiring pattern provided inside the metal-polymer composite to form a coil; an external electrode provided in a portion of an outer peripheral surface of the metal-polymer composite; and an insulating portion provided between the metal-polymer composite and the wiring pattern and between the metal-polymer composite and the external electrode, and a method for manufacturing the same.

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

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.

MULTILAYER TYPE INDUCTOR AND METHOD OF MANUFACTURING THE SAME

Disclosed herein are a multilayer type inductor and a method of manufacturing the same. The multilayer type inductor includes a multilayer body in which a plurality of sheets having internal electrodes formed thereon are bonded to each other, and each of the internal electrodes is connected to each other through a via to form a coil; and a pair of external electrode terminals each formed at the both ends of the multilayer body and connected to one ends of the internal electrodes at the uppermost layer and the lowermost layer, wherein in the plurality of the sheets configuring the multilayer body, a first sheet and a second sheet made of different materials are alternately multi-layered, thereby increasing reliability and productivity of the product.

Multilayer coil component

A multilayer coil component has an element body, a coil, a pair of first external electrodes, a pair of second external electrodes, a first connection conductor, and a second connection conductor. The coil is composed of a plurality of internal conductors arranged in the element body and connected to each other. The first external electrodes are arranged on a first principal face of the element body. The second external electrodes are arranged on the first principal face. The first connection conductor is arranged between the coil and the first external electrodes in the element body and is connected to one end of the coil and to the first external electrodes. The second connection conductor is arranged between the coil and the second external electrodes in the element body and is connected to the other end of the coil and to the second external electrodes.

Method for making surface mount inductor

A method for manufacturing an inductor includes a mold device having a mold cavity, disposing a coil member above the mold cavity of the mold device, filling metallic particles into the mold cavity of the mold device, forcing the coil member into the metallic particles to form a base member, applying two conductive coating members onto the base member and electrically connecting to the terminals of the coil member respectively, and attaching two conductive coverings onto the conductive coating members respectively and electrically connecting to the conductive coating members respectively for allowing the inductors to be quickly manufactured in a mass production.

Flat coil planar transformer and methods

A low cost, reduced form factor, high performance electronic device for use in electronic circuits and methods. In one exemplary embodiment, the device includes a unitary header assembly construction that ensures device coplanarity and also includes vertically oriented terminal pins. The device utilizes preconfigured flat coil windings that are disposed directly within a planar core. The flat coil windings further include features that are configured to mate with the header assembly terminal pins which substantially simplify the manufacturing process. Methods for manufacturing the device are also disclosed.

Coil structure and electromagnetic component using the same

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.

SURFACE MOUNT INDUCTOR

A surface mount inductor includes: a drum core including a spool having an upper collar and a lower collar; a coil wound around the drum core; and a ring core arranged on the drum core, wherein the metal terminals include first and second tongues projecting to an outer periphery of the lower collar, the ring core includes convex sections projecting to a lower surface from an edge, side surfaces of the first tongue and the second tongue sandwich side surfaces of the convex sections, and tip sections of the first tongue and the second tongue fix the ring core from below. 1. A surface mount inductor comprising: a drum core comprising a spool provided with collars , the collars comprising an upper collar and a lower collar provided on opposite ends of the spool; a coil wound around the spool; a pair of metal terminals arranged on a lower surface of the lower collar; and a ring core arranged on an outer periphery of the drum core , whereineach of the metal terminals comprises a plurality of tongues projecting in different peripheral directions of the lower collar,at least two of the plurality of tongues comprise stepped sections abutting against an outer edge of the lower collar of the drum core, andat least two of the plurality of tongues abut against a lower end surface of the ring core and sandwich a convex section provided on the lower end surface of the ring core from both sides.2. The surface mount inductor according to claim 1 , whereina terminal section of the coil is tied up to one of the plurality of tongues.3. The surface mount inductor according to claim 2 , whereinthe plurality of tongues are arranged below an upper surface of the lower collar.4. The surface mount inductor according to claim 3 , whereina convex section projecting below the lower collar is arranged on one of the plurality of tongues, and the convex section serves as a mount terminal. This application is based upon and claims the benefit of priority from the prior Japanese Patent Application ...

Electromagnetic component and fabrication method thereof

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.

Chip inductor

Disclosed herein is a chip inductor. The chip inductor according to the present invention includes a substrate on which a through-hole is formed, a conductive coil that is formed on the substrate, an upper resin composite magnetic layer that is filled to surround the conductive coil so that a core is formed on a center portion of the substrate, a lower resin composite magnetic layer that is formed on a bottom portion of the substrate, and an external electrode that is formed on both sides of the upper and lower resin composite magnetic layers.

Inductor and method of manufacturing the same

Disclosed herein are an inductor and a method of manufacturing the same. More specifically, in the inductor according to the present invention, a coil with a fine pattern may be formed, and an insulating resin composite including liquid crystal oligomer for reducing occurrence of deformation of the coil may be used for an insulating substrate.

Magnetic module for power inductor, power inductor, and manufacturing method thereof

There is provided a power inductor including: a main body; and first and second external electrodes formed on both end portions of the main body, wherein the main body includes: upper and lower cover layers; at least one coil support layer having a through hole formed in a center thereof, at least one first recess portion formed in both lateral surfaces thereof and a plurality of second recess portions formed in respective corners thereof, and disposed between the upper and lower cover layers; and first and second coil layers formed on both surfaces of the coil support layer and having respective one ends thereof connected to the first and second external electrodes.

SURFACE-MOUNT INDUCTOR AND PRODUCTION METHOD THEREOF

[Technical Problem] 1. A surface-mount inductor comprising: a coil formed by winding a winding wire; and a core containing a magnetic powder and including the coil therein ,wherein each of led-out ends of the coil is exposed on respective one of side surfaces of the core, and each of the led-out ends of the coil is connected to an external electrode formed on the core.2. A surface-mount inductor comprising: a coil formed by winding a winding wire; and a core containing a magnetic powder and including the coil therein ,wherein each of led-out ends of the coil is exposed on an end surface and respective one of side surfaces of the core, and each of the led-out ends of the coil is connected to an external electrode formed on the core.3. The surface-mount inductor as defined in claim 1 , wherein each of the led-out ends of the coil has elasticity.4. The surface-mount inductor as defined in claim 2 , wherein each of the led-out ends of the coil has elasticity.5. A method of producing a surface-mount inductor which comprises: a coil formed by winding a winding wire; and a core containing a magnetic powder and including the coil therein claim 2 ,wherein the coil is processed to allow each of led-out ends thereof to come into contact with respective one of opposed inner walls of a mold.6. A method of producing a surface-mount inductor which comprises: a coil formed by winding a winding wire; and a core containing a magnetic powder and including the coil therein claim 2 ,wherein the coil is processed to allow each of led-out ends thereof to come into contact with respective one of opposed inner walls and an inner wall adjoining to the inner wall of a mold. The present invention relates to a surface-mount inductor comprising: a coil formed by winding a winding wire; and a core containing a magnetic powder and including the coil therein, and to a method of producing the inductor.A conventional surface-mount inductor includes a type which is obtained by: winding a winding wire ...

Multi-layered chip electronic component

There is provided a multi-layered chip electronic component including: a multi-layered body formed by stacking a plurality of magnetic layers; and conductive patterns disposed between the plurality of magnetic layers and electrically connected in a lamination direction to form coil patterns, wherein in a case in which a single coil pattern in the coil pattern is projected in the length and width directions of the multi-layered body, when an area of the magnetic layer inside of the coil pattern is defined as Ai and an area of the magnetic layer outside of the coil pattern is defined as Ao, 0.40≦Ai:Ao≦1.03 is satisfied.

Electronic component and method for producing same

An electronic component comprises: a laminate having a plurality of rectangular insulator layers and a mounting surface formed by a series of sides of the insulator layers. A plurality of first lead-out conductors are exposed between the insulator layers at the mounting surface. A first external electrode covers the first lead-out conductors at the mounting surface. The first external electrode is located at a first formation area at the mounting surface. The first formation area, when viewed in a plan view in an extending direction in which the sides of the insulator layers that constitute the mounting surface extend, is curved so as to bulge at a center of the formation area relative to opposite ends thereof.

COIL COMPONENT

A coil conductor has a central axis extending in parallel with a mounting surface. The coil conductor disposed inside a component body extends substantially helically by alternately connecting a plurality of circulating conductive layers and a plurality of via hole conductors. The circulating conductive layers each extend so as to form a part of a substantially quadrangular track having a relatively short side and a relatively long side along an interface between the insulating layers. The via hole conductors each penetrate the insulating layer in a thickness direction. The line width of a short side portion of the circulating conductive layer is wider than that of a long side portion of the circulating conductive layer. 1. A coil component comprising:a component body having a rectangular parallelepiped shape having first and second main faces opposite each other, and first and second side faces opposite each other and first and second end faces opposite each other, each pair of which couples the first and second main faces, respectively, the side faces each having a rectangular shape having long sides and short sides, the component body having a multilayer structure in which a plurality of insulating layers are laminated in a direction orthogonal to the side faces;a coil conductor disposed inside the component body, the coil conductor including a plurality of circulating conductive layers each extending so as to form a part of an annular track along an interface between the insulating layers and a plurality of via hole conductors each penetrating the insulating layer in a thickness direction, the coil conductor extending helically by alternately connecting the circulating conductive layers and the via hole conductors; andfirst and second external terminal electrodes formed in an outer surface of the component body, the first and second external terminal electrodes being electrically connected to one and the other ends of the coil conductor, respectively, wherein ...

HIGH PERFORMANCE HIGH CURRENT POWER INDUCTOR

An electromagnet component assembly includes a preformed conductive winding formed in at least first and second pieces for assembly with a single magnetic core with a simplified and relatively low cost manufacture. The assembly provides a power inductor operable at higher current, higher power levels with reduced direct current resistance. 1. An electromagnetic component assembly comprising:a magnetic core having opposed first and second end edges; and a first preformed terminal portion, a second preformed terminal portion, and a preformed main winding portion extending between the first and second terminal portions,', 'wherein the main winding portion is fabricated from a freestanding conductor element having a first end, a second end, and a straight section extending entirely from the first end to the second end;', 'wherein the first terminal portion and the second terminal portion respectively extend from the first end edge and the second end edge of the magnetic core, and each of the first terminal portion and the second terminal portion include a straight section extending perpendicularly to the straight section of the main winding portion;', 'wherein at least one of the first terminal portion and the second terminal portion is separately fabricated from the main winding portion and is mechanically and electrically connected to the main winding portion at one of the opposed end edges of the magnetic core., 'at least one preformed conductive winding separately fabricated from the magnetic body, the at least one preformed conductive winding comprising2. The electromagnetic component assembly of claim 1 , wherein each of the first terminal portion and the second terminal portion are separately fabricated from the main winding portion.3. The electromagnetic component assembly of claim 1 , wherein the first terminal portion and the second terminal portion each have a preformed surface mount terminal pad extending parallel to the straight section of the main winding ...

COIL COMPONENT

A coil component includes a body having one end and the other end opposing each other, a support substrate disposed inside the body, a coil portion, disposed on at least one surface of the support substrate, in which an end portion of an outermost turn is disposed closer to the one surface of the body than to the other surface of the body, a lead-out portion connected to the outermost turn of the coil portion and exposed to the one surface of the body, and an anchor portion connected to the lead-out portions and including a via pad disposed between the lead-out portion and the coil portion inside the body. 1. A coil component comprising:a body having one surface and the other surface opposing each other;a support substrate disposed inside the body;a coil portion disposed on at least one surface of the support substrate, an end portion of an outermost turn of the coil portion disposed closer to the one surface of the body than to the other surface of the body;a lead-out portion connected to the outermost turn of the coil portion and exposed to the one surface of the body; andan anchor portion connected to the lead-out portion and including a via pad disposed between the lead-out portion and the coil portion inside the body.2. The coil component of claim 1 , wherein the lead-out portion includes a lead-out pattern and an auxiliary lead-out pattern exposed to the one surface of the body claim 1 , andthe anchor portion includes a first via pad and a second via pad, respectively disposed to correspond to the one surface and the other surface of the support substrate, and a connection via penetrating through the support substrate to be connected to the first via pad and the second via pad.3. The coil component of claim 2 , wherein the first via pad and the second via pad are in contact with claim 2 , and connected to claim 2 , the lead-out pattern and the auxiliary lead-out pattern claim 2 , respectively.4. The coil component of claim 3 , wherein a groove is disposed in ...

INDUCTIVE COMPONENT

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 ...

COIL COMPONENT

A coil component includes a body having one surface and the other surface, opposing each other in one direction, and one end surface connecting the one surface and the other surface, a winding coil disposed in the body and having a lead-out portion exposed to the one end surface of the body, a first insulating layer disposed on the one end surface of the body and having one region and the other region spaced apart from each other in the other direction, perpendicular to the one direction, an external electrode having a connection portion, disposed between the one region and the other region of the first insulating layer to be connected to the lead-out portion, and an extension portion extending from the connection portion to the one surface of the body, and a second insulating layer covering the first insulating layer and the connection portion on the one end surface of the body. 1. A coil component comprising:a body having a first surface and a second surface, opposing each other in a first direction, and a first end surface connecting the first surface and the second surface;a winding coil disposed in the body and having a lead-out portion exposed to the first end surface of the body;a first insulating layer disposed on the first end surface of the body and having a first region and a second region spaced apart from each other in a second direction, perpendicular to the first direction;an external electrode having a connection portion, disposed between the first region and the second region of the first insulating layer to be connected to the lead-out portion, and an extension portion extending from the connection portion to the first surface of the body; anda second insulating layer covering the first insulating layer and the connection portion on the first end surface of the body.2. The coil component of claim 1 , wherein a ratio of a length of the connection portion in the second direction to a sum of lengths of the first region and the second region of the ...

CHIP PARTS

A chip part is provided that includes a substrate in which an element region and an electrode region are set, an insulating film (a first insulating film and a second insulating film) which is formed on the substrate and which selectively includes an internal concave/convex structure in the electrode region on a surface, a first connection electrode and a second connection electrode which include, at a bottom portion, an anchor portion entering the concave portion of the internal concave/convex structure and which include an external concave/convex structure on a surface on the opposite side and a circuit element which is disposed in the element region and which is electrically connected to the first connection electrode and the second connection electrode. 1. A chip transformer including:a substrate that has an element formation surface;a primary coil formation trench and a secondary coil formation trench that are formed in the substrate by digging down from the element formation surface and that are formed in the shape of a spiral in a plan view when seen in a normal direction perpendicular to the element formation surface;a primary coil that is formed with a first conductive member embedded within the primary coil formation trench; anda secondary coil that is formed with a second conductive member embedded within the secondary coil formation trench.2. The chip transformer described in further including:a first electrode and a second electrode which are disposed on the element formation surface, one end portion of the primary coil connected to the first electrode and an opposite end portion of the primary coil connected to the second electrode; anda third electrode and a fourth electrode which are disposed on the element formation surface, one end portion of the secondary coil connected to the third electrode and an opposite end portion of the secondary coil connected to the fourth electrode.3. A chip transformer described in further including:an insulating film ...

COIL COMPONENT

A coil component including a core, first metal terminals, second metal terminals and a wire. The first metal terminals and second metal terminals have mounting portions provided above the mounting surface and aligned above the mounting surface. One of the mounting portions of the first metal terminals has a first end surface facing one of the mounting portions of the second metal terminals and a second end surface other than the first end surface, and the first end surface has a chopped trace where surface roughness is higher than surface roughness of the second end surface. 1. A coil component comprising: first metal terminals provided on the first flange portion;', 'second metal terminals provided on the second flange portion; and', 'a wire wound around the winding core portion and connected to one of the first metal terminals and one of the second metal terminals,', 'wherein each of the first flange portion and the second flange portion has a mounting surface facing a mounting substrate side in mounting,', 'each of the first metal terminals and second metal terminals has a mounting portion provided above the mounting surface,', 'the mounting portions of the first metal terminals are aligned above the mounting surface of the first flange portion in a direction orthogonal to a central axial line of the winding core portion,', 'the mounting portions of the second metal terminals are aligned above the mounting surface of the second flange portion in the direction orthogonal to the central axial line,', 'one of the mounting portions of the first metal terminals has a first end surface facing one of the mounting portions of the second metal terminals and a second end surface other than the first end surface, and', 'the first end surface has a crack where surface roughness is higher than surface roughness of the second end surface., 'a core having a winding core portion, a first flange portion, and a second flange portion, the first flange portion and the second flange ...

INDUCTOR COMPONENT

An inductor component that includes a core that includes a substantially column-shaped shaft part and a pair of support parts at both ends of the shaft part; terminal electrodes that are respectively provided on the pair of support parts; and a wire that is wound around the shaft part and has end portions that are respectively connected to the terminal electrodes on the pair of support parts. The inductor component exhibits an impedance value of 2100Ω or higher for an input signal having a frequency of 500 MHz. 1. An inductor component comprising:a core that includes a substantially column-shaped shaft part and a pair of support parts at both ends of the shaft part;terminal electrodes that are respectively provided on the pair of support parts; anda wire that is wound around the shaft part and has end portions that are respectively connected to the terminal electrodes on the pair of support parts;wherein the inductor component exhibits an impedance value of 2100Ω or higher for an input signal having a frequency of 500 MHz.2. The inductor component according to claim 1 , whereina width of the inductor component in a direction parallel to a circuit board on which the inductor component is mounted using the terminal electrodes, among directions perpendicular to a first direction in which the shaft part extends, is 0.36 mm or less.3. The inductor component according to claim 2 , whereinthe width of the inductor component in a direction parallel to a circuit board on which the inductor component is mounted using the terminal electrodes, among directions perpendicular to the first direction in which the shaft part extends, is 0.33 mm or less.4. The inductor component according to claim 3 , whereinthe width of the inductor component in a direction parallel to a circuit board on which the inductor component is mounted using the terminal electrodes, among directions perpendicular to the first direction in which the shaft part extends, is 0.30 mm or less.5. The inductor ...

COIL COMPONENT AND METHOD FOR FABRICATING THE SAME

A coil component may include a body having a support member including a through hole, a coil disposed on at least one of an upper surface and a lower surface of the support member, and a magnetic material encapsulating the coil and the support member, and filling the through hole. The coil includes a coil pattern. The coil component further includes an external electrode connected to the coil. At least one of the upper surface and the lower surface of the support member includes a groove, having a shape corresponding to a shape of the coil pattern, and at least a portion of the coil pattern is embedded in the groove. 1. A coil component , comprising:a body comprising:a support member including a through hole;a coil disposed on at least one of an upper surface and a lower surface of the support member, the coil including a coil pattern; anda magnetic material encapsulating the coil and the support member, and filling the through hole; andan external electrode connected to the coil,wherein at least one of the upper surface and the lower surface of the support member includes a groove defined therein, anda depth of the groove formed on the upper surface of the support member is different from the depth of the groove formed on the lower surface of the support member,the groove has a shape corresponding to a shape of the coil pattern, and at least a portion of the coil pattern is embedded in the groove.2. The coil component of claim 1 , wherein the groove is formed to have a spiral shape.3. The coil component of claim 1 , wherein the groove is formed in the upper surface and the lower surface claim 1 , and a depth of the groove formed in the upper surface is greater than a depth of the groove formed in the lower surface.4. The coil component of claim 1 , wherein the coil pattern includes a first coil pattern and a second coil pattern directly adjacent to the first coil pattern claim 1 , each disposed on the upper surface claim 1 , the second coil pattern being connected ...

Coil component

A coil component includes a body having a molded portion and a cover portion disposed on one surface of the molded portion, and including magnetic metal powder; a winding coil disposed between one surface of the molded portion and the cover portion and embedded in the body, and including a coating layer surrounding a surface of each of a plurality of turns; and a first protective film disposed between the one surface of the molded portion and the cover portion and between at least a portion of the surface of the winding coil and the cover portion.

MAGNETIC ENCAPSULANT FOR PACKAGE MAGNETIC INDUCTORS

Embodiments herein relate to a magnetic encapsulant composite, comprising a mixture of a first material that is a soft magnetic filler, a second material that is a polymer matrix, and a third material that is a process ingredient. The magnetic encapsulant composite may then encapsulate or partially encapsulate a magnetic inductor coupled to a substrate to increase the inductance of the magnetic inductor and/or to strengthen the substrate to which the magnetic inductor and the composite are coupled. 1. A magnetic encapsulant composite , comprising a mixture of:a first material that is a soft magnetic filler;a second material that is a polymer matrix; anda third material that is a process ingredient.2. The magnetic encapsulant composite of claim 1 , wherein the first material includes at least a selected one of: a metallic magnetic material or a soft ferrite magnetic material.3. The magnetic encapsulant composite of claim 2 , wherein the metallic magnetic material includes at least a selected one of: Fe claim 2 , oriented FeSi claim 2 , unoriented FeSi claim 2 , FeNi claim 2 , FeCo claim 2 , FeSiBNbCu claim 2 , or CoZrTa.4. The magnetic encapsulant composite of claim 2 , wherein the soft ferrite magnetic material includes at least a selected one of: MnZn claim 2 , NiZn claim 2 , or FeO.5. The magnetic encapsulant composite of claim 1 , wherein the second material includes at least a selected one of: an acrylate claim 1 , a methacrylate claim 1 , an epoxy claim 1 , a urethane claim 1 , a cyano-acrylate claim 1 , a cyano-urethane claim 1 , or a silicone.6. The magnetic encapsulant composite of claim 1 , wherein the third material includes at least a selected one of: a resin claim 1 , a catalyst claim 1 , an initiator claim 1 , a polymer claim 1 , a toughening agent claim 1 , a surfactant claim 1 , an adhesion promotor claim 1 , a thixotropic index modifier claim 1 , or a reactive diluent.7. The magnetic encapsulant composite of claim 1 , wherein the composite is to be ...

COIL COMPONENT AND CIRCUIT BOARD INCLUDING THE SAME

Disclosed herein is a coil component that includes a coil conductor part, and first and second high permeability parts provided respectively on both sides of the coil conductor part in a coil axis direction. The second high permeability part has a larger thickness in the coil axis direction than the first high permeability part. A low permeability part that segments at least a part of a magnetic path exists between the first and second high permeability parts in an outer diameter area of the coil conductor part when viewed in the coil axis direction. 1. A coil component comprising:a coil conductor part; andfirst and second high permeability parts provided respectively on both sides of the coil conductor part in a coil axis direction,wherein the second high permeability part has a larger thickness in the coil axis direction than the first high permeability part, andwherein a low permeability part that segments at least a part of a magnetic path exists between the first and second high permeability parts in an outer diameter area of the coil conductor part when viewed in the coil axis direction.2. The coil component as claimed in claim 1 ,wherein the low permeability part comprises a non-magnetic substrate, andwherein the coil conductor part is formed on a surface of the non-magnetic substrate.3. The coil component as claimed in claim 1 ,wherein the first or second high permeability part comprises a magnetic substrate,wherein the coil conductor part is formed on a surface of the magnetic substrate, andwherein the low permeability part comprises an insulating resin layer that covers the coil conductor part.4. The coil component as claimed in claim 1 ,wherein the first high permeability part comprises one of flange parts of a drum-shaped core, andwherein the second high permeability part comprises other one of the flange parts of the drum-shaped core.5. The coil component as claimed in claim 1 , wherein the first high permeability part has a mounting surface ...

ELECTRONIC DEVICE

An electronic device includes a component body and a terminal electrode formed on a mounting surface of the component body. The chamfered part is formed at an intersection between the mounting surface and a side surface of the component body. An edge of the terminal electrode becomes thinner toward the chamfered part. 1. An electronic device , comprising:a component body; anda terminal electrode formed on a mounting surface of the component body,wherein a chamfered part is formed at an intersection between the mounting surface and a side surface of the component body, andwherein an edge of the terminal electrode becomes thinner toward the chamfered part.2. The electronic device according to claim 1 , wherein the chamfered part is formed by an R-plane or a C-plane.3. An electronic device claim 1 , comprising:a component body containing an element; anda terminal electrode formed on a mounting surface of the component body,wherein a chamfered part is formed at an intersection between the mounting surface and a side surface of the component body,wherein the element is connected with the terminal electrode, andwherein an edge of the terminal electrode becomes thinner toward the chamfered part.4. The electronic device according to claim 3 , wherein the chamfered part is formed by an R-plane or a C-plane.5. The electronic device according to claim 3 , wherein the edge of the terminal electrode is continuously connected with a chamfered surface of the chamfered part.6. The electronic device according to claim 4 , wherein the edge of the terminal electrode is continuously connected with a chamfered surface of the chamfered part. The present invention relates to an electronic device used as a chip component.In an electronic device such as a chip component, a terminal electrode is formed continuously even on a side surface together with a mounting surface, in order to form a solder filet on the side surface of the terminal electrode.In this type of electronic devices, however, ...

Coil component and lc composite component

A coil component includes a coil and a composite magnetic material containing magnetic particles. The magnetic particles have an average minor-axis length of more than 5.0 nm and 50 nm or less and an average aspect ratio of 2.0 or more and 10.0 or less. The magnetic particles are orientated substantially perpendicularly to a central axis of the coil and are orientated randomly within a perpendicular plane to the central axis of the coil. The composite magnetic material has a saturation magnetization σs of 80.0 emu/g or more.

COIL COMPONENT AND METHOD FOR MANUFACTURING THE SAME

A coil component includes a magnetic body and an external electrode disposed on an external surface of the magnetic body. The magnetic body includes a support member including a through hole, filled with a magnetic material, and a via hole, a coil disposed on at least one surface of the support member, and a magnetic material encapsulating the coil and the support member. A first conductive layer is disposed on a side surface of the via hole formed in the support member and the at least one surface of the support member. The via hole is filled with a portion of the second conductive layer disposed on the first conductive layer. 1. A coil component , comprising: a support member including a through hole, filled with a magnetic material, and a via hole;', 'a coil disposed on at least one surface of the support member, the coil including a first conductive layer and a second conductive layer disposed on the first conductive layer; and', 'the magnetic material encapsulating the support member, the first conductive layer and the second conductive layer; and', 'an external electrode disposed on an external surface of the magnetic body, the external electrode being connected to the coil,', 'wherein the first conductive layer is continuously disposed on a side surface of the via hole and the at least one surface of the support member,', 'the second conductive layer includes a central plating layer disposed inside the via hole and a coil layer disposed above or below the central plating layer, and', 'the central plating layer is integrally formed with the coil layer to be a single structure., 'a magnetic body, the magnetic body including2. The coil component of claim 1 , wherein the central plating layer and the coil layer have no interface therebetween.3. The coil component of claim 1 , wherein a difference between an average thickness of a portion of the first conductive layer disposed on the at least one surface of the support member and an average thickness of another ...

COIL COMPONENT AND BOARD FOR MOUNTING THE SAME

There are provided a coil component and a board for mounting the same. The coil component includes a magnetic body including first and second coil portions disposed on one surface of a substrate and disposed linearly, based on a central portion of the magnetic body, and third and fourth coil portions disposed on the other surface of the substrate and disposed linearly, based on the central portion of the magnetic body; and first to fourth external electrodes disposed on an external surface of the magnetic body and connected to the first to fourth coil portions. The first coil portion and the third coil portion have a first core portion, and the second coil portion and the fourth coil portion have a second core portion. A peripheral portion disposed outwardly of the first to fourth coil portions has greater permeability than that of the first and second core portions. 1. A coil component comprising:a magnetic body including first and second coil portions disposed on one surface of a substrate and disposed linearly, based on a central portion of the magnetic body, and third and fourth coil portions disposed on the other surface of the substrate and disposed linearly, based on the central portion of the magnetic body; andfirst to fourth external electrodes disposed on an external surface of the magnetic body and connected to the first to fourth coil portions,wherein the first coil portion and the third coil portion have a first core portion, the second coil portion and the fourth coil portion have a second core portion, and a peripheral portion disposed outwardly of the first to fourth coil portions has greater permeability than that of the first and second core portions.2. The coil component of claim 1 , wherein the central portion of the magnetic body has greater permeability than that of the first and second core portions.3. The coil component of claim 1 , wherein each of the first to fourth coil portions has coil density in regions adjacent to the central portion ...

COIL COMPONENT

A coil component includes a body, a coil disposed inside of the body and forming one coil track when being viewed in a laminated direction, external electrodes disposed on an outer surface of the body. The coil track includes corner portions and linear portions connecting the respective corner portions to each other, and a line width of the corner portion is greater than that of the linear portion. 1. A coil component comprising:a body;a coil disposed inside of the body and forming a coil track;external electrodes disposed on an outer surface of the body,wherein the coil track includes corner portions and linear portions connecting the respective corner portions to each other, anda line width of the corner portion is greater than that of the linear portion.2. The coil component of claim 1 , wherein the line width of the corner portion is 30% to 40% greater than that of the linear portion.3. The coil component of claim 1 , wherein the corner portion includes a first corner portion that outwardly protrudes from the coil track claim 1 , and a second corner portion that inwardly protrudes from the coil track.4. The coil component of claim 1 , further comprising lead portions disposed outside of the coil track and connecting the external electrodes to an end portion of the coil.5. The coil component of claim 4 , wherein the corner portion includes a first corner portion that outwardly protrudes from the coil track claim 4 , and a second corner portion that inwardly protrudes from the coil track claim 4 , andthe second corner portion is disposed at a position corresponding to an end portion of the lead portion.6. The coil component of claim 1 , wherein the corner portion includes a first corner portion that outwardly protrudes from the coil track claim 1 , and a second corner portion that inwardly protrudes from the coil track claim 1 , andthe first corner portion has an inside formed at an acute angle formed by two adjacent linear portions.7. The coil component of claim ...

Coil device

At the position where the lead art of the wire is projecting out from the outer face of the core part and spaced apart from the side face, the bonding part between the lead part and the terminal electrode is formed. The terminal electrode comprises the terminal body installed along the side face of the core body, and the lead supporting part bended from the terminal body towards the bonding part at the near position where the lead part projects out from the side face of the core part. The crossing angle of the lead supporting part with respect to the side face of the core body is less than 90 degrees.

MULTILAYER BEAD AND BOARD HAVING THE SAME

A multilayer bead includes a body in which a plurality of ceramic layers are stacked; a plurality of internal electrode patterns formed on the plurality of ceramic layers; and first and second external electrodes formed on both end surfaces of the body and electrically connected to both ends of an internal coil formed by a combination of the plurality of internal electrode patterns, respectively. A stacking direction of the plurality of ceramic layers is parallel to both end surfaces of the body on which the first and second external electrodes are formed, and a coil axis of the internal coil is parallel to a mounting surface of the body. A board having the multilayer bead may be provided. 1. A multilayer bead comprising:a body in which a plurality of ceramic layers are stacked;a plurality of internal electrode patterns formed on the plurality of ceramic layers; andfirst and second external electrodes formed on both end surfaces of the body and electrically connected to both ends of an internal coil formed by a combination of the plurality of internal electrode patterns, respectively,wherein a stacking direction of the plurality of ceramic layers is perpendicular to both end surfaces of the body on which the first and second external electrodes are formed, anda coil axis of the internal coil is parallel to a mounting surface of the body.2. The multilayer bead of claim 1 , wherein a marking pattern is provided on at least one surface of the body.3. The multilayer bead of claim 2 , wherein the marking pattern is provided on at least one of two outermost ceramic layers disposed in outermost positions of the body among the plurality of ceramic layers stacked in the body.4. The multilayer bead of claim 2 , wherein the marking pattern is provided on any one of two outermost ceramic layers disposed in outermost positions of the body among the plurality of ceramic layers stacked in the body claim 2 , and a minimum separation distance between the internal coil and an ...

COIL COMPONENT

A coil component includes a first magnetic body, an insulator stacked on the first magnetic body, a second magnetic body stacked on the insulator, and a coil which is disposed in the insulator and which includes a first coil conductor layer and a second coil conductor layer that are arranged in the stacking direction of the first magnetic body, the insulator, and the second magnetic body. In a cross section in the stacking direction, the shapes of the first coil conductor layer and the second coil conductor layer are polygonal, and regarding opposing portions of the first coil conductor layer and the second coil conductor layer that face each other, one opposing portion is a side and the other opposing portion is a vertex. 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; anda coil which is disposed in the insulator and includes a first coil conductor layer and a second coil conductor layer that are arranged in a stacking direction of the first magnetic body, the insulator, and the second magnetic body,wherein,in a cross section in the stacking direction, shapes of the first coil conductor layer and the second coil conductor layer are polygonal, andregarding opposing portions of the first coil conductor layer and the second coil conductor layer that face each other, one opposing portion is a side and an other opposing portion is a vertex.2. The coil component according to claim 1 , wherein a number of vertices of a polygon with respect to each of the first coil conductor layer and the second coil conductor layer is an odd number.3. The coil component according to claim 1 , wherein the vertices of a polygon with respect to each of the first coil conductor layer and the second coil conductor layer are curved.4. The coil component according to claim 1 , wherein claim 1 , in a cross section in the stacking direction claim 1 , at least part of the second coil conductor ...

THIN FILM-TYPE INDUCTOR

A thin film-type inductor includes a body having a coil, and a first external electrode and a second external electrode. The first and second external electrodes are each disposed on an external surface of the body. The coil includes a coil body and a via portion. The via portion is directly connected to the first external electrode. The coil body includes a base conductor layer in a lower portion and a plating layer in an upper portion. 1. A thin film-type inductor , comprising:a body including a magnetic material embedding a coil; anda first external electrode and a second external electrode, each disposed on an external surface of the body,wherein the coil comprises a coil body and a via portion,the via portion is directly connected to the first external electrode, andthe coil body comprises a base conductor layer in a lower portion and a plating layer in an upper portion.2. The thin film-type inductor of claim 1 , wherein the body has an upper surface and a lower surface opposing the upper surface in a direction in which the via portion is extended claim 1 , andthe first external electrode and the second external electrode are disposed to be spaced apart from each other in the lower surface.3. The thin film-type inductor of claim 2 , wherein the first external electrode and the second external electrode extend from the lower surface of the body to a corresponding end surface of the body adjacent to the lower surface.4. The thin film-type inductor of claim 1 , wherein the coil is surrounded by an insulating layer claim 1 , and the insulating layer insulates the coil from the magnetic material.5. The thin film-type inductor of claim 1 , wherein the via portion includes at least one via hole and a via electrode filling the at least one via hole.6. The thin film-type inductor of claim 1 , wherein the coil body includes a plurality of coil patterns claim 1 , and an innermost coil pattern is directly connected to the via portion through the base conductor layer.7. The ...

THIN FILM-TYPE INDUCTOR

A thin film-type inductor includes a body and a first external electrode and a second external electrode, each disposed on an external surface of the body. The body includes a support member, a first coil, a second coil, a magnetic material surrounding the support member. The first coil is disposed on an upper surface of the support member, and the second coil is disposed on a lower surface of the support member. The support member includes through-hole and a via electrode therein. A portion of one of an upper surface and a lower surface of the via electrode opposes the magnetic material. 1. A thin film-type inductor , comprising: a support member having a through-hole,', 'a first coil disposed on an upper surface of the support member,', 'a second coil disposed on a lower surface of the support member, each of the first coil and the second coil including a first end and a second end, and', 'a magnetic material surrounding the support member; and, 'a body comprisinga first external electrode and a second external electrode, each disposed on an external surface of the body,wherein the support member includes a via electrode therein, anda portion of one of an upper surface and a lower surface of the via electrode opposes the magnetic material.2. The thin film-type inductor of claim 1 , wherein the upper surface of the via electrode is provided with the first end of the first coil and a first filling portion of the magnetic material claim 1 , and the lower surface of the via electrode is provided with the first end of the second coil and a second filling portion of the magnetic material.3. The thin film-type inductor of claim 2 , wherein an insulating material is disposed between the first filling portion and the first end of the first coil claim 2 , and between the second filling portion and the first end of the second coil.4. The thin film-type inductor of claim 1 , wherein the second end of the first coil is connected to the first external electrode and the second ...

COIL COMPONENT

In a planar coil element, a dead space in a non-overlapping region is reduced by designing a total width of a first resin wall and a first turn located in the non-overlapping region to be narrow, more specifically, by designing the total width to be narrower than a total width of a second turn outside the first turn and a second resin wall located inside the turn and also than a total width of a third turn on the outer side and a third resin wall located inside the turn. As a result, a volume of a magnetic element body in a magnetic core portion of a coil can be increased, and an, inductance value, which is a magnetic characteristic, can also be improved. 1. A coil component comprising:an insulating substrate having a through-hole;a coil having a first coil conductor pattern formed around the through-hole on one surface of the insulating substrate, a second coil conductor pattern formed around the through-hole on the other surface of the insulating substrate and wound in a winding direction opposite to that of the first coil conductor pattern when seen in a thickness direction of the insulating substrate, and a through-hole conductor provided to pass through the insulating substrate and configured to connect ends of the first coil conductor pattern and the second coil conductor pattern on the through-hole side;resin walls disposed between turns of each of the first coil conductor pattern and the second coil conductor pattern and disposed on an inner side of an innermost turn and on an outer side of an outermost turn of each of the first coil conductor pattern and the second coil conductor pattern; anda magnetic element body provided on one surface and the other surface of the insulating substrate to cover the first coil conductor pattern, the second coil conductor pattern and the resin wall and configured to fill inner sides of the through-hole of the insulating substrate, the first coil conductor pattern and the second coil conductor pattern,wherein there is a non- ...

COIL COMPONENT

In a planar coil element, since an overlapping portion of a fourth resin wall of a first conductor pattern protrudes from an end surface of a main body portion, restriction on a width of the overlapping portion is relaxed, and the wide overlapping portion is realized. Therefore, an improvement in a withstand voltage between the second external terminal electrode formed on the end surface and an outermost turn of the first conductor pattern is realized. Similarly, regarding the second conductor pattern, the improvement in the withstand voltage between the first external terminal electrode formed on the end surface and an outermost turn of the second conductor pattern is realized. 1. A coil component comprising a main body portion having a first end surface and a second end surface facing each other , and a first external terminal electrode and a second external terminal electrode respectively formed on the first end surface and the second end surface of the main body portion ,wherein the main body portion comprisesan insulating substrate configured to extend in a direction in which the first end surface and the second end surface face each other;a coil having a first coil conductor pattern formed on one surface of the insulating substrate and having an outer end portion extending to the first end surface and connected to the first external terminal electrode, a second coil conductor pattern formed on the other surface of the insulating substrate, extending to the second end surface to be connected to the second external terminal electrode and wound in a winding direction opposite to that of the first coil conductor pattern when seen in a thickness direction of the insulating substrate, and a through-hole conductor provided to pass through the insulating substrate and configured to connect inner ends of the first coil conductor pattern and the second coil conductor pattern;resin walls between turns of each of the first coil conductor pattern and the second coil ...

COIL COMPONENT

A coil component includes a magnetic portion that includes metal particles and a resin material, a coil conductor embedded in the magnetic portion, and outer electrodes electrically connected to the coil conductor. The average particle diameter of the metal particles in the magnetic portion is 1 μm or more and 5 μm or less, and the CV value of the metal particles is 50% or more and 90% or less. 1. A coil component comprising:a magnetic portion that includes metal particles and a resin material;a coil conductor embedded in the magnetic portion and being wound in an α-winding form; andouter electrodes electrically connected to the coil conductor,wherein a magnetic base including a base portion and a protrusion portion disposed on an upper surface of the base portion, the protrusion portion having a portion located in a core portion of the coil conductor and including the metal particles and the resin material, and the protrusion portion extending from the base portion and including an end positioned a spaced distance from the base portion, and', 'a magnetic outer coating covering the end of the protrusion portion,, 'the magnetic portion includes'}a filling factor of the metal particles in the magnetic base is from 75% to 85%,a filling factor of the metal particles in the magnetic outer coating is from 65% to 90%,the coil conductor is made of a rectangular wire, and a thickness of the rectangular wire is 0.13 mm or less,a length of the coil component is 1.8 mm or less, anda width of the coil component is 1.0 mm or less.2. The coil component according to claim 1 , whereinthe magnetic base contains the metal particles being formed of a metal material, the metal material being Fe—Si alloys.3. The coil component according to claim 2 , whereinthe magnetic base further contains the metal particles being formed of a metal material, the metal material being iron.4. The coil component according to claim 3 , whereinthe metal particles of iron are crystalline particles.5. The ...

INDUCTOR

An inductor includes a body including a plurality of insulating layers and a plurality of coil patterns are disposed on each of the plurality of insulating layers, and first and second external electrodes disposed on an external surface of the body. The plurality of coil patterns are connected to each other by coil connecting portions and both end portions thereof are electrically connected to the first and second external electrodes through coil lead portions, respectively, to form a coil. The plurality of coil patterns include coil patterns disposed on an outer portion of the body and coil patterns disposed on an inner portion of the body, the coil patterns disposed on the inner portion of the body include first coil patterns electrically connected in parallel, and at least one of the first coil patterns includes an internal side portion having a shape different from shapes of remaining coil patterns. 1. An inductor comprising:a body including a plurality of insulating layers and a plurality of coil patterns disposed on each of the plurality of insulating layers; andfirst and second external electrodes disposed on an external surface of the body,wherein the plurality of coil patterns are connected to each other by coil connecting portions, and both end portions thereof are electrically connected to the first and second external electrodes through coil lead portions, respectively, to form a coil, and,the plurality of coil patterns include coil patterns disposed on an outer portion of the body and coil patterns disposed on an inner portion of the body, the coil patterns disposed on the inner portion of the body include first coil patterns electrically connected in parallel, and at least one of the first coil patterns includes an internal side portion having a shape different from shapes of remaining coil patterns.2. The inductor of claim 1 , wherein the first coil patterns electrically connected in parallel have corner portions having shapes different from each ...

ELECTRONIC COMPONENT AND METHOD FOR MANUFACTURING ELECTRONIC COMPONENT

An electronic component comprises: a magnetic core having a flat base and a core, the flat base having a top, a bottom, and first and second opposite sides, the core is on the top; a winding having an edgewise coil including a wound flat wire and the core, the winding having two non-wound flat wires extending therefrom; and a magnetic exterior body covering the core and the edgewise coil. The two non-wound flat wires extend along the top, the first side, the bottom and then the second side, and the two non-wound flat wires are non-adhesively positioned around the flat base. The two non-wound flat wires on the bottom are externally exposed electrodes. The second side inclines towards the core. The two ends of the two non-wound flat wires are embedded into the magnetic exterior body to fix the two non-wound flat wires to the magnetic exterior body. 1. An electronic component , comprising:a magnetic core member that is made of a magnetic material and that has a flat base and a core, the flat base having a top surface, a bottom surface, a first side surface and a second side surface opposite to the first side surface, the core is located on the top surface of the flat base;a winding that has an edgewise coil in which a flat wire is wound and in which the core is inserted, the winding having two non-wound flat wires that extend from the edgewise coil; anda magnetic exterior body that covers at least the core and the edgewise coil, whereinthe two non-wound flat wires continuously extend along the top surface, the first side surface, the bottom surface and the second side surface of the flat base in this order, and the two non-wound flat wires are positioned around the flat base without using an adhesive,the two non-wound flat wires located on the bottom surface are externally exposed to work as electrodes, whereinthe second side surface of the flat base is formed into an inclining shape towards the core, andthe two ends of the two non-wound flat wires are embedded into ...

Coil Body

A coil body with a hollow housing body is provided that has on a first side an opening for the intake of a coil into the housing body along an inserting direction and a housing wall that extends between the first side of the housing body and a second side that is located opposite. The coil body further comprises multiple electric contacts and a plurality of guiding grooves that are disposed along the housing wall and that are each formed for guiding of a connection wire in order to connect a coil, which has been absorbed by the housing body, to the contacts. The contacts are thereby disposed on the second side on the housing body. 1. A coil body that has on a first side an opening for inserting a coil in a housing body along an inserting direction and a housing wall that extends between the first side of the housing body and an opposite second side , electric contacts and a plurality of guiding grooves that are situated along the housing wall and that are each formed for guiding a connection wire in order to connect a coil that has been inserted through the housing body to the contacts , whereby the contacts are disposed on the opposite second side on the housing body.2. The coil body according to that further has slits that are formed on the an edge of the opening and that are disposed on the opening in a circumferential direction so that a throughput into the housing body and/or out of the housing body is provided for each guiding groove.3. The coil body according to claim 1 , wherein at least one guiding groove extends completely along the housing wall.4. The coil body according to claim 1 , wherein the housing body is configured to receive a torus-shaped coil.5. The coil body according to claim 1 , wherein the guiding grooves are formed by fins that protrude from the housing wall and that extend in parallel along the inserting direction.6132. The coil body according to claim 5 , wherein respectively two fins form a guiding groove and fins of respectively one ...

Inductor and printed circuit board

One object is to compensate the reduction of the Q value due to reduction of core sectional area of a coil of an inductor, and the reduction of positional accuracy and adhesive strength of components mounted on a printed circuit board due to reduction of area of external electrodes, both caused by downsizing of component sizes. An inductor is provided which includes: a coil formed in an insulator and having one end and the other end thereof formed in a direction away from a mounting surface; and lead-out portions connected to the coil at positions more distant from the mounting surface than a portion of the coil closest to the mounting surface.

Laminated coil component and method for manufacturing it

A laminated coil component has a laminated body which is formed by laminating a plurality of ferrite layers, a helical coil which is provided in the laminated body, and a plurality of external electrodes which are provided on the surface of the laminated body and are electrically connected to the helical coil and are mainly composed of Cu. The ferrite layers have an exposed region exposed from the surface of the laminated body without being covered with the external electrodes. A surface resistivity of the exposed region of the ferrite layers is more than 10 4 Ω and less than 10 7 Ω.

COIL COMPONENT

A coil component includes a body having a core, a coil portion disposed in the body and having a central portion in which the core is disposed, a first external electrode and a second external electrode, each connected to the coil portion, a third external electrode spaced apart from each of the first and second external electrodes, and a noise removal portion disposed to at least partially surround the coil portion between a surface of the body and the core and having both end portions, each connected to the third external electrode. 1. A coil component comprising:a body including a core;a coil portion disposed in the body and having a central portion in which the core is disposed;a first external electrode and a second external electrode, each connected to the coil portion;a third external electrode spaced apart from each of the first and second external electrodes; anda noise removal portion disposed to at least partially surround the coil portion and having both end portions, each connected to the third external electrode.2. The coil component of claim 1 , wherein the noise removal portion comprises a first noise removal portion and a second noise removal portion claim 1 , spaced apart from each other between the surface and the core of the body claim 1 , each disposed to at least partially surround the coil portion claim 1 , andeach of the first and second removal portions has both end portions connected to the third external electrode.3. The coil component of claim 2 , wherein the body has a first surface and a second surface claim 2 , opposing each other claim 2 , and a first side surface and a second side surface claim 2 , each connecting the first surface and the second surface to each other claim 2 , opposing each other claim 2 , andthe first and second noise removal portions are disposed to be spaced apart from each other between the first side surface and the core.4. The coil component of claim 2 , wherein the body has a first surface and a second ...

INDUCTOR ARRAY

An inductor array includes a base body having a first surface, first to fourth external electrodes touching the first surface, a first internal conductor provided in the base body and connected at the ends thereof to the first and second external electrodes, and a second internal conductor provided in the base body and connected at the ends thereof to the third and fourth external electrodes. The first and second internal conductors are spaced away from each other in a reference direction. The first internal conductor has a first aspect ratio of greater than one, where the first aspect ratio denotes a ratio of (i) a dimension of a section of the first internal conductor orthogonal to a current flowing direction in a direction perpendicular to the reference direction to (ii) a dimension of the section in the reference direction. 1. An inductor array comprising:a base body containing a plurality of metal magnetic particles, the base body having a first surface;a first external electrode provided on the base body such that the first external electrode at least touches the first surface;a second external electrode provided on the base body such that the second external electrode at least touches the first surface;a third external electrode provided on the base body such that the third external electrode at least touches the first surface;a fourth external electrode provided on the base body such that the fourth external electrode at least touches the first surface;a first internal conductor provided in the base body such that the first internal conductor is connected at one of ends thereof to the first external electrode and at the other of the ends thereof to the second external electrode, a section of the first internal conductor orthogonal to a current flowing direction having a first aspect ratio of greater than one, the first aspect ratio denoting a ratio of (i) a dimension of the section in a direction perpendicular to a reference direction to (ii) a dimension of ...

COIL COMPONENT AND METHOD OF MANUFACTURING SAME

A coil component includes an insulating layer having a coil shape, first and second coil conductor layers on opposing surfaces of the insulating layer, each having a coil shape corresponding to that of the insulating layer, and an encapsulant encapsulating the insulating layer and the first and second coil conductor layers. 1. A coil component comprising:an insulating layer having a coil shape;a first coil conductor layer on a surface of the insulating layer and a second coil conductor layer on an opposing surface of the insulating layer, each having a coil shape corresponding to that of the insulating layer; andan encapsulant encapsulating the insulating layer and the first and second coil conductors.2. The coil component of claim 1 , wherein the encapsulant is in spaces between turns of the insulating layer and spaces between turns of the first and second coil conductor layers.3. The coil component of claim 1 , wherein the first and second coil conductor layers are connected to each other through a via hole penetrating through the insulating layer.4. The coil component of claim 1 , further including a seed layer between one of the first and second coil conductor layers and the insulating layer.5. The coil component of claim 1 , wherein there are two or more insulating layers alternately stacked with three or more coil conductor layers.6. The coil component of claim 1 , wherein the insulating layer has a thickness of 40 μm or less.7. The coil component of claim 1 , wherein the insulating layer includes one or more of the group consisting of perylene claim 1 , epoxy claim 1 , and polyimide.8. The coil component of claim 1 , wherein the coil component further includes a body part claim 1 , including a magnetic material claim 1 , above and below the encapsulant claim 1 , the first and second coil conductor layers claim 1 , and the insulating layer.9. The coil component of claim 1 , wherein a through-hole is formed in a core region of the first and second coil ...

INDUCTOR ELEMENT, COIL ANTENNA, ANTENNA DEVICE, CARD INFORMATION MEDIUM, AND ELECTRONIC DEVICE

A coil antenna includes an insulator with a first principal surface and a second principal surface opposing to the first principal surface, a coil conductor provided on or in the insulator, a first pad electrode and a second pad electrode both provided on the first principal surface, and a third pad electrode and a fourth pad electrode both provided on the second principal surface. The coil conductor includes a first end and a second end. The first pad electrode and the third pad electrode are electrically connected to the first end side of the coil conductor, while the second pad electrode and the fourth pad electrode are electrically connected to the second end side of the coil conductor. Thus, the pad electrodes connected to the coil conductor are provided on each of the first principal surface and the second principal surface of the insulator. 1. An inductor element comprising:an insulator that includes a first principal surface and a second principal surface opposing to the first principal surface;a coil conductor that is provided on or in the insulator, that has a winding axis, and that includes a first end and a second end;a first pad electrode that is provided at the first principal surface, and that is electrically connected to the first end side;a second pad electrode that is provided at the first principal surface, and that is electrically connected to the second end side;a third pad electrode that is provided at the second principal surface, and that is electrically connected to a position different from a connected position of the first pad electrode on the second end side; anda fourth pad electrode that is provided at the second principal surface, and that is electrically connected to a position different from a connected position of the second pad electrode on the second end side; whereinthe first pad electrode, the second pad electrode, the third pad electrode, and the fourth pad electrode are independent of one another; andan inductance component ...

Passive Chip Device and Method of Making the Same

A passive chip device includes a chip body, a conductive coil and a surface-mount contact unit. The chip body is in the form of a single piece, and has two opposite end faces and a first surface which is between the end faces. The conductive coil is deposited on and surrounding the chip body. The surface-mount contact unit includes two spaced apart conductive terminal contacts. Each of the terminal contacts extends from a respective one of the end faces to the first surface and connects to a respective one of end portions of the coil. The method of making the passive chip device is also disclosed. 1. A passive chip device comprising:a chip body which is in the form of a single piece, which extends in an axial direction, and which has two opposite end faces and a first surface, said end faces being opposite to each other in said axial direction, said first surface extending along said axial direction between said end faces;a conductive coil deposited on and surrounding said chip body for generating inductance, said conductive coil having two opposite end portions; anda surface-mount contact unit including two spaced apart conductive terminal contacts, each of which extends from a respective one of said end faces to said first surface, and each of which contacts a respective one of said end portions of said coil.2. The passive chip device of claim 1 , wherein said conductive terminal contacts of said surface-mount contact unit are made from a material containing Ni and a metal selected from the group consisting of Au and Sn claim 1 , said chip body being made from a magnetic material or a non-magnetic material claim 1 , said magnetic material being magnetic metal or magnetic ceramic claim 1 , said non-magnetic material being a Si-based material or non-magnetic metal.3. The passive chip device of claim 2 , further comprising an insulator layer formed on said chip body claim 2 , said chip body being made from said magnetic metal or said non-magnetic metal claim 2 , said ...

COIL COMPONENT AND METHOD OF MANUFACTURING THE SAME

A coil component includes: a first coil layer; and a second coil layer disposed on the first coil layer, wherein the first coil layer includes a first insulating layer and a first coil conductor embedded in the first insulating layer, the second coil layer includes a second insulating layer and a second coil conductor embedded in the second insulating layer, the first and second coil conductors are electrically connected to each other by a through-conductor formed in the first insulating layer, and cavities vertically penetrating through the first and second coil layers are provided in core regions of the first and second coil layers, respectively. 1. A coil component comprising:a first coil layer; anda second coil layer disposed on the first coil layer,wherein the first coil layer includes a first insulating layer and a first coil conductor embedded in the first insulating layer,the second coil layer includes a second insulating layer and a second coil conductor embedded in the second insulating layer,the first and second coil conductors are electrically connected to each other by a through-conductor formed in the first insulating layer, andcavities vertically penetrating through the first and second coil layers are provided in core regions of the first and second coil layers, respectively.2. The coil component of claim 1 , wherein a lower surface of the first coil conductor is exposed to a lower surface of the first insulating layer claim 1 , and a lower surface of the second coil conductor is in contact with an upper surface of the first insulating layer.3. The coil component of claim 1 , wherein upper surfaces of the first and second coil conductors are upwardly convex.4. The coil component of claim 1 , wherein the first coil conductor includes a first basic plating layer disposed without a seed layer and a first anisotropic plating layer formed on the first basic plating layer claim 1 , andthe second coil conductor includes a seed layer covering an upper ...

METALIZED PLASTIC HEADER APPARATUS AND METHODS OF MANUFACTURE AND USE

A low cost and highly consistent metallized header electronic assembly. In one embodiment, a metallized header assembly having electronic circuitry as well as terminals manufactured from an LDS polymer is disclosed. The metallized header assembly also includes electronic component receiving cavities configured to house one or more wire-wound magnetic cores. The wire leads from the wire-wound magnetic cores are electrically coupled to the terminals on the metallized header assembly via a eutectic solder using well known soldering techniques such as hand soldering, solder dipping, resistance welding, and the like. Methods of manufacturing and using the aforementioned metallized header assembly are also disclosed. 1. A metallized header electronic apparatus for mounting onto the surface of a printed circuit board , comprising:a header assembly having electronic circuitry disposed thereon;one or more inductive devices housed within the header assembly, the one or more inductive devices each having one or more wire leads extending therefrom; andone or more terminals associated with the header assembly, the one or more terminals having the one or more wire leads attached thereto.2. The metallized header apparatus of claim 1 , wherein the electronic circuitry has one or more electronic components mounted thereto.3. The metallized header apparatus of claim 2 , wherein the one or more electronic components comprise surface mountable electronic components.4. The metallized header apparatus of claim 1 , wherein the header assembly and the one or more terminals associated with the header assembly comprise a unitary construction.5. The metallized header apparatus of claim 4 , wherein the header assembly is formed from an injection molded polymer.6. The metallized header apparatus of claim 5 , wherein the injection molded polymer comprises a laser direct structuring (LDS) polymer.7. The metallized header apparatus of claim 6 , wherein the electronic circuitry disposed upon the ...

COIL ELECTRONIC COMPONENT AND MANUFACTURING METHOD THEREOF

A coil electronic component includes a body and external terminals. The body includes a winding coil part and a pillar-shaped core part inserted inside of the winding coil part and formed of a magnetic metal. The external terminals are connected to the winding coil part and disposed on an external surface of the body. The body contains the magnetic metal and a resin, and the pillar-shaped core part has magnetic permeability higher than that of a portion of the body disposed outside of the winding coil part. 1. A method of manufacturing a coil electronic component , the method comprising:punching a plurality of magnetic sheets to have holes extending therethrough, and stacking the punched magnetic sheets to form first, second, and third blocks each having a respective groove formed therein;inserting a pillar-shaped core formed of a magnetic metal into a groove formed in the first block;stacking the second block having a through hole formed therein on the first block so that the pillar-shaped core is disposed to penetrate through the through hole;loading a winding coil around the pillar-shaped core; andstacking the third block on the second block to form a multilayer body in which the winding coil is loaded so that the pillar-shaped core is positioned in a groove of the third block.2. The method of claim 1 , further comprising pressing the multilayer body to form a body.3. The method of claim 2 , wherein the pressing of the multilayer body to form the body is performed by disposing an iron plate on upper and lower portions of the multilayer body.4. The method of claim 2 , wherein the winding coil has leads claim 2 , each lead extending from a respective end of the winding coil to one surface of the multilayer body and having an exposed portion.5. The method of claim 4 , wherein the leads are exposed to a side surface of the body in a width direction.6. The method of claim 4 , further comprising folding the exposed portions of the leads to form external terminals on an ...

MULTILAYER COIL COMPONENT

A multilayer coil component includes an element body, a coil, and a pair of terminal electrodes. Each of the pair of terminal electrodes is formed by a plurality of electrode layers having different shapes being stacked in a stacking direction and is exposed on end surfaces, a main surface, and a pair of side surfaces. One electrode part of the terminal electrodes exposed on the side surfaces of the element body and formed by one of the electrode layers has an overlapping part overlapping at least a part of the other electrode part formed by another of the electrode layers adjacent to the one electrode layer in the stacking direction and a non-overlapping part not overlapping the other electrode part when viewed from the stacking direction. 1. A multilayer coil component comprising:an element body having a plurality of stacked dielectric layers and having a pair of end surfaces facing each other, a pair of main surfaces facing each other, and a pair of side surfaces facing each other in a stacking direction of the plurality of dielectric layers, one of the main surfaces being a mounting surface;a coil disposed in the element body and having a coil axis extending along the stacking direction; anda pair of terminal electrodes connected to the coil and respectively embedded in the element body on the pair of end surface sides of the element body, whereineach of the pair of terminal electrodes is formed by a plurality of electrode layers having different shapes being stacked in the stacking direction and is exposed on the end surface, the mounting surface, and the pair of side surfaces, andone electrode part of the terminal electrode exposed on the side surface of the element body and formed by one of the electrode layers has an overlapping part overlapping at least a part of the other electrode part formed by another of the electrode layers adjacent to the one electrode layer in the stacking direction and a non-overlapping part not overlapping the other electrode part ...

Noise filter implementation structure

A transmission line includes three wires formed on a substrate. Each of the transmission lines transmits a three-level signal. A common-mode choke coil is inserted into the transmission line. The common-mode choke coil includes three coils coupled to one another and three pairs of outer electrodes, each of the three pairs being connected to the corresponding two ends of the coils. The outer electrodes of the common-mode choke coil are connected to the transmission line such that the three coils are serially inserted into the respective three wires.

Coil component and method of manufacturing coil component

A coil component includes: a core having an annular shape; a coil wound around the core; and an electrode terminal for mounting the coil component. The electrode terminal is connected to the coil and has a mounting surface. The coil is formed by connecting a plurality of wire members. The electrode terminal has a recessed portion indented toward a back surface on a side opposite to the mounting surface. The wire member of the coil is connected to a back surface of a bottom portion of the recessed portion.

CONFIGURABLE DIPLEX FILTER WITH TUNABLE INDUCTORS

A diplex filter having tunable inductors. Preferably the tunable inductors include pads that may each selectively receive one end of a jumper. 1. A printed circuit board forming at least one inductor traced on a surface of said board , said inductor having at least two pads , each capable of selectively receiving one end of a jumper , and where the inductance of said inductor is modified when said jumper has a first end received by a first pad and a second end received by a second pad different from said first pad.2. The printed circuit board of where said inductor is spiral shaped.3. The printed circuit board of where said inductor is U-shaped.4. The printed circuit board of where said circuit board includes a diplex filter.5. The printed circuit board of where the diplex filter has a split frequency that is modified by a position of said jumper on said inductor.6. The printed circuit board of where said jumper causes a short in said inductor between said first pad and said second pad.7. The printed circuit board of where a position of said jumper can be moved from a first location to a second location claim 1 , where in the first location the ends of said jumper are selectively received by said first pad and said second pad claim 1 , respectively claim 1 , and where in said second location at least one end of the jumper is selectively received by a third pad claim 1 , different from said first pad and said second pad.8. The printed circuit board of where the Q of said inductor is modified when said jumper has a first end received by a first pad and a second end received by a second pad different from said first pad.9. A diplex filter comprising:(a) a first external connection for propagating a first signal, a second external connection for propagating a second signal, and a third external connection for propagating said first signal and said second signal;(b) a high pass filter for attenuating said second signal and a low pass filter for attenuating said first ...

Common-mode choke coil

A common-mode choke coil includes a multilayer body, a first coil, a second coil, a first terminal electrode, a second terminal electrode, a third terminal electrode, and a fourth terminal electrode. The multilayer body includes plural non-conductor layers. The first and second coils are incorporated in the multilayer body. The first and second terminal electrodes are connected to the first coil. The third and fourth terminal electrodes are connected to the second coil. The first coil has a path length L1, the second coil has a path length L2, and the sum of the path length L1 and the path length L2 is less than or equal to 3.4 mm. The respective lower-face electrode portions of the terminal electrodes each have an area of less than or equal to 0.034 μm2.

COMMON-MODE CHOKE COIL

A common-mode choke coil includes a multilayer body, a first coil, and a second coil. The multilayer body includes plural non-conductor layers. The first and second coils are incorporated in the multilayer body. The first coil has a path length L, the second coil has a path length L, and the sum of the path length L and the path length L is less than or equal to 3.30 mm. The first coil has a first coil conductor, and the second coil has a second coil conductor. The first coil conductor and the second coil conductor have a spacing D between each other of greater than or equal to 6 μm and less than or equal to 26 μm (i.e., from 6 μm to 26 μm) in the stacking direction of the non-conductor layers. 1. A common-mode choke coil comprising:a multilayer body including a plurality of non-conductor layers, the plurality of non-conductor layers being stacked and each made of a non-conductor, and the plurality of non-conductor layers including a first plurality of non-conductor layers and a second plurality of non-conductor layers;{'b': 1', '2', '1', '2, 'a first coil and a second coil that are incorporated in the multilayer body, the first coil having a path length L and including a first coil conductor disposed along a first interface which is an interface between the first plurality of non-conductor layers, the second coil having a path length L and including a second coil conductor disposed along a second interface which is an interface between the second plurality of non-conductor layers and different from the first interface along which the first coil conductor is disposed, a sum of the path length L and the path length L being less than or equal to 3.30 mm, and the first coil conductor and the second coil conductor having a spacing between each other of from 6 μm to 26 μm in a direction in which the plurality of non-conductor layers are stacked;'}a first terminal electrode and a second terminal electrode that are provided on an outer surface of the multilayer body, the ...

COMMON-MODE CHOKE COIL

A common-mode choke coil includes a multilayer body, a first coil, a second coil, a first terminal electrode, a second terminal electrode, a third terminal electrode, and a fourth terminal electrode. The multilayer body includes plural non-conductor layers. The first and second coils are incorporated in the multilayer body. The first and second terminal electrodes are connected to the first coil. The third and fourth terminal electrodes are connected to the second coil. The first coil has a path length L the second coil has a path length L and the sum of the path length L and the path length L is less than or equal to 3.5 mm The non-conductor layers each have a relative permittivity of less than or equal to 11. 1. A common-mode choke coil comprising:a multilayer body including a plurality of non-conductor layers, the plurality of non-conductor layers being stacked and each made of a non-conductor, and the plurality of non-conductor layers including a first plurality of non-conductor layers and a second plurality of non-conductor layers, and the plurality of non-conductor layers each having a relative permittivity of less than or equal to 11;{'b': 1', '2', '1', '2, 'a first coil and a second coil that are incorporated in the multilayer body, the first coil having a path length L and including a first coil conductor disposed along a first interface which is an interface between the first plurality of non-conductor layers, the second coil having a path length L and including a second coil conductor disposed along a second interface which is an interface between the second plurality of non-conductor layers and different from the first interface along which the first coil conductor is disposed, and a sum of the path length L and the path length L being less than or equal to 3.5 mm;'}a first terminal electrode and a second terminal electrode that are provided on an outer surface of the multilayer body, the first terminal electrode being electrically connected to a first ...

Inductor component

An inductor component comprising an element body formed by laminating a plurality of insulating layers, and a helically wound coil disposed in the element body. The insulating layer contains a base material and a crystal, wherein a refractive index of each of the base material and the crystal is 1.8 or less for at least one wavelength of 350 nm or more and 450 nm or less (i.e., from 350 nm to 450 nm). The coil includes a coil wiring wound along a plane, and the coil wiring is made up of one coil conductor layer or a plurality of coil conductor layers laminated in surface contact with each other. Also, the aspect ratio of the coil conductor layer is 1.0 or more.

INDUCTOR COMPONENT

An inductor component comprising a magnetic layer containing a magnetic powder and a resin containing the magnetic powder, a first spiral wiring and a second spiral wiring disposed on the same plane in the magnetic layer and adjacent to each other, and an insulating layer disposed between the first spiral wiring and the second spiral wiring and containing no magnetic substance. The first spiral wiring includes a first side surface facing the second spiral wiring, and at least a portion of the first side surface is in contact with the magnetic layer. 1. An inductor component comprising:a magnetic layer containing a magnetic powder and a resin containing the magnetic powder;a first spiral wiring and a second spiral wiring disposed on the same plane in the magnetic layer and adjacent to each other; andan insulating layer disposed between the first spiral wiring and the second spiral wiring and containing no magnetic substance, whereinthe first spiral wiring includes a first side surface facing the second spiral wiring, andat least a portion of the first side surface is in contact with the magnetic layer.2. The inductor component according to claim 1 , wherein the insulating layer is disposed at a position including a region in which a distance is minimum between the first spiral wiring and the second spiral wiring.3. The inductor component according to claim 1 , whereinthe insulating layer is in contact with a portion of the first side surface, anda second side surface on the side opposite to the first side surface of the first spiral wiring is in contact with the magnetic layer.4. The inductor component according to claim 1 , wherein the magnetic layer is interposed between the insulating layer and the first side surface.5. The inductor component according to claim 1 , wherein the thickness of the insulating layer is larger than the thickness of the first spiral wiring.6. The inductor component according to claim 1 , further comprisinga plurality of external terminals ...

CHIP INDUCTOR AND METHOD OF MANUFACTURING THE SAME

A chip inductor includes a body having a coil and an insulating member on which the coil is disposed, and external electrodes disposed on external surfaces of the body. The insulating layers are disposed on one surface of the insulating member in the body and another surface opposing the one surface, respectively, and are made of a material different from a material of the insulating member. The insulating member and the insulating layers constitute a multilayer structure. The coil includes a top coil and a bottom coil disposed on a top surface and a bottom surface of the multilayer structure, respectively. The top and bottom coils are connected by a via penetrating through the top and bottom surfaces of the multilayer structure.

COIL COMPONENT

A coil component includes a body having a bottom surface and a top surface opposing each other in one direction, and a plurality of walls each connecting the bottom surface to the top surface of the body; a coil portion buried in the body, and having first and second lead-out portions; first and second external electrodes disposed on the bottom surface of the body and spaced apart from each other; via electrodes penetrating through the body and connecting the first and second lead-out portions and the first and second external electrodes to each other; a third external electrode including a pad portion disposed on the bottom surface of the body, and a connection portion extending to portions of the plurality of walls of the body, and spaced apart from the first and second external electrodes; a shielding layer including a cap portion disposed on the other surface of the body, and side wall portions respectively disposed on the plurality of walls of the body, and connected to the third external electrode; and an insulating layer disposed between the shielding layer and the body, and between the first to third external electrodes and the body.

Coil Component

A coil component includes a body including a coil and an external electrode disposed on an external surface of the body to be connected to the coil. The body includes a support member, disposed to support the coil, having a via hole spaced apart from a through-hole. The coil includes a coil body and a coil lead-out portion disposed to connect the coil body and the external electrode to each other. A first support layer is disposed between one surface of the support member and one surface of the coil lead-out portion, and a second support layer is disposed on the first support layer.

Coil electronic component

A coil electronic component includes a support substrate including a metal plate having a plurality of through-holes formed therein, a coil pattern disposed on at least a surface of the support substrate and having a core region in the center of the coil pattern, an encapsulant disposed on at least a portion of the support substrate, the coil pattern, and at least a portion of the metal plate, and an external electrode disposed outside of the encapsulant and connected to the coil pattern.

COIL ELECTRONIC COMPONENT

A coil electronic component includes a support substrate, a coil pattern disposed on at least a surface of the support substrate and having a core region in the center of the coil pattern, at least one metal thin plate disposed on an upper portion of the coil pattern and having a shape bent toward the core region, an encapsulant sealing at least a portion of the support substrate, the coil pattern, and the at least one metal thin plate, and an external electrode disposed outside of the encapsulant and connected to the coil pattern. 1. A coil electronic component , comprising:a support substrate;a coil pattern disposed on at least a surface of the support substrate and having a core region in the center of the coil pattern;at least one metal thin plate disposed on an upper portion of the coil pattern and having a shape bent toward the core region;an encapsulant sealing at least a portion of the support substrate, the coil pattern, and the at least one metal thin plate; andan external electrode disposed outside of the encapsulant and connected to the coil pattern.2. The coil electronic component of claim 1 , wherein the metal thin plate is provided as a plurality of metal thin plates and the plurality of metal thin plates are stacked in a thickness direction of the support substrate.3. The coil electronic component of claim 2 , wherein a metal thin plate claim 2 , of the plurality of metal thin plates claim 2 , further adjacent to the coil pattern claim 2 , has a wider region bent toward the core region.4. The coil electronic component of claim 2 , wherein a plurality of magnetic particles are filled in an interior of the encapsulant.5. The coil electronic component of claim 4 , wherein at least a portion of the plurality of magnetic particles is disposed between the plurality of metal thin plates.6. The coil electronic component of claim 4 , wherein the plurality of magnetic particles and the plurality of metal thin plates include the same material.7. The coil ...

INDUCTOR

Anchor conductors extending from internal terminal conductors and being in contact with a component body are provided inside the component body. The anchor conductors are provided so as not to be connected to a coil conductor including a circulating portion, and so as not to be exposed on an outer surface of the component body. The anchor conductors are in contact with the component body to thereby enhance fixing force of the internal terminal conductors to the component body. 1. An inductor comprising:a component body made of a non-conductive material;a coil conductor disposed inside the component body, and including a first end portion and a second end portion opposite to each other, and a circulating portion between the first end portion and the second end portion;a first extended conductor and a second extended conductor respectively connected to the first end portion and the second end portion of the coil conductor;a first internal terminal conductor and a second internal terminal conductor respectively connected to the first extended conductor and the second extended conductor, and partially exposed on an outer surface of the component body while being disposed so as to be embedded inside the component body; anda first anchor conductor and a second anchor conductor respectively extending from the first internal terminal conductor and the second internal terminal conductor in a state of being in contact with the component body, and out of connection with the coil conductor.2. The inductor according to claim 1 , whereinthe first anchor conductor and the second anchor conductor are inside the component body and not exposed on the outer surface of the component body.3. The inductor according to claim 1 , whereinthe component body includes a mounting surface facing a side of the mounting substrate, a top surface facing the mounting surface, a first side surface and a second side surface connecting between the mounting surface and the top surface and facing each ...

Inductor component

An inductor component includes an element assembly formed of an insulator material and an inner electrode arranged in the element assembly. The insulator material contains a base material formed of an amorphous material containing B, Si, O, and K and a crystalline filler and includes a filler-poor glass portion in a region along the inner electrode. The content of the crystalline filler in the filler-poor glass portion is lower than the content of the crystalline filler in the element assembly excluding the filler-poor glass portion.

COIL COMPONENT AND METHOD OF MANUFACTURING THE SAME

A coil component includes a body part containing a magnetic material, a coil part disposed in the body part, and an electrode part disposed on the body part. The coil part includes a support member, a first coil layer disposed on at least one surface of the support member, a first insulating layer stacked on at least one surface of the support member and covering the first coil layer, and a second coil layer disposed on the first insulating layer. The first and second coil layers are electrically connected to each other, and the second coil layer has a larger number of coil turns than the first coil layer. Additionally or alternatively, a conductor of the first coil layer has an aspect ratio less than 1. Methods of manufacturing such coil components are also provided. 1. A coil component comprising:a body part containing a magnetic material;a coil part disposed in the body part; andan electrode part disposed on the body part,wherein the coil part includes a support member, a first coil layer disposed on at least one surface of the support member, a first insulating layer stacked on at least one surface of the support member and covering the first coil layer, and a second coil layer disposed on the first insulating layer, andthe first and second coil layers are electrically connected to each other, and the second coil layer has a larger number of coil turns than the first coil layer.2. The coil component of claim 1 , wherein at least one lead cross section of the coil part includes a lead cross section of the support member claim 1 , a lead cross section of the first insulating layer disposed on the lead cross section of the support member claim 1 , and a lead cross section of the second coil layer disposed on the lead cross section of the first insulating layer.3. The coil component of claim 2 , wherein the at least one lead cross section of the coil part has a tapered shape.4. The coil component of claim 1 , wherein first and second first coil layers are each ...

COIL ELECTRONIC COMPONENT AND METHOD OF MANUFACTURING THE SAME

A coil electronic component includes a body region including a first surface and a second surface opposing each other and a body region including a magnetic material, a wound coil having at least a portion embedded in the body region and disposed perpendicularly with respect to the first surface, and first and second leads connected to the wound coil and exposed through the second surface to be extended to the first surface. 1. A coil electronic component , comprising:a body region including a first surface and a second surface opposing each other and including a magnetic material;a wound coil having at least a portion embedded in the body region and disposed perpendicularly with respect to the first surface; andfirst and second leads connected to the wound coil and exposed through the second surface to be extended to the first surface.2. The coil electronic component of claim 1 , wherein the first and second leads drawn externally are spaced apart from the body region at a predetermined interval.3. The coil electronic component of claim 1 , wherein the body region includes a third surface and a fourth surface in a width direction connecting between the first surface and the second surface claim 1 , andareas of each of the third and fourth surfaces are larger than those of the first and second surfaces.4. The coil electronic component of claim 3 , wherein the first and second leads are bent in different directions claim 3 , such that the first lead extends on the third surface to be extended to the first surface and the second lead extends on the fourth surface to be extended to the first surface.5. The coil electronic component of claim 3 , wherein the first and second leads are bent in the same direction and extend on the third or fourth surface to be extended to the first surface.6. The coil electronic component of claim 4 , wherein the first and second leads are each extended to extend on both opposing surfaces in the width direction.7. The coil electronic ...

ELECTRONIC COMPONENT AND MANUFACTURING METHOD FOR THE SAME

An electronic component includes a main body made of an insulator, a circuit element positioned inside the main body, and outer electrodes. The outer electrodes are constituted of bottom surface electrodes and post-like electrodes. The post-like electrodes are extended from a bottom surface of the main body toward the interior of the main body. Further, the post-like electrodes are embedded in the main body, and parts of the post-like electrodes are exposed to side surfaces of the main body. Furthermore, the bottom surface electrodes are made of a resin containing metal powder. 1. An electronic component comprising:a main body made of an insulator;a circuit element positioned inside the main body; andan outer electrode that is constituted of a bottom surface electrode positioned on a bottom surface of the main body and a post-like electrode extending from the bottom surface toward an interior of the main body, and that is electrically connected to the circuit element,wherein the post-like electrode is embedded in the main body,part of the post-like electrode is exposed to a side surface of the main body, andthe bottom surface electrode is made of a resin containing metal powder.2. The electronic component according to claim 1 ,wherein, when viewed in a direction orthogonal to the bottom surface, a length of an exposed portion of the post-like electrode, which is exposed to the side surface of the main body, is shorter than a longest length of an embedded portion of the post-like electrode, which is embedded in the main body, in a direction parallel to the side surface.3. The electronic component according to claim 1 ,wherein, when viewed in a direction orthogonal to the bottom surface, a length of the post-like electrode in a direction parallel to the side surface becomes longer as the post-like electrode progresses from the side surface toward the interior of the main body.4. The electronic component according to claim 1 ,wherein an area of the bottom surface ...

COIL COMPONENT AND METHOD OF MANUFACTURING THE SAME

A coil component includes: a body including a magnetic material and a coil of which both ends are externally exposed; intermetallic compounds disposed on the exposed both ends of the coil; and external electrodes disposed on the body to cover the intermetallic compounds. The external electrodes include: conductive resin layers disposed on outer surfaces of the body to contact the exposed both ends of the coil and including base resins, a plurality of metal particles disposed in the base resins, and conductive connecting parts surrounding the plurality of metal particles and contacting the intermetallic compounds. The coil component further includes electrode layers disposed on the conductive resin layers and contacting the conductive connecting parts. 1. A coil component comprising:a body including a coil, of which both ends are externally exposed;intermetallic compounds disposed on the exposed both ends of the coil; andexternal electrodes disposed on the body to cover the intermetallic compounds,wherein the external electrodes include:conductive resin layers disposed on outer surfaces of the body, to be bonded to the exposed both ends of the coil, and including base resins, a plurality of metal particles disposed in the base resins, and conductive connecting parts surrounding the plurality of metal particles and contacting the intermetallic compounds; andelectrode layers disposed on the conductive resin layers and contacting the conductive connecting parts.2. A coil component comprising:a body including a coil, of which both ends are externally exposed;intermetallic compounds disposed on the exposed both ends of the coil; andexternal electrodes disposed on the body to cover the intermetallic compounds,wherein the external electrodes include:conductive resin layers disposed on outer surfaces of the body to be bonded to the exposed both ends of the coil and including base resins and conductive connecting parts disposed in the base resins and contacting the ...

INDUCTOR AND MANUFACTURING METHOD THEREOF

An inductor may include: a body, and a first and a second external electrode formed on end surfaces of the body. The body may include a coil support layer, a conductive coil formed on at least one surface of the coil support layer, a lamination part formed in a gap of the conductive coil and on an upper surface thereof, an insulating coating part formed to enclose an overall surface of the conductive coil on which the lamination part is formed, and upper and lower cover layers covering the overall surface of the conductive coil on which the insulating coating part is formed. 114-. (canceled)15. An inductor comprising: a coil support layer,', 'a conductive coil on a surface of the coil support layer,', 'a first insulating layer between adjacent turns of the conductive coil and extending higher than an upper surface of the conductive coil,', 'a second insulating layer enclosing the first insulating layer and the conductive coil, and', 'a cover layer comprising magnetic material and covering the second insulating layer; and, 'a body, includingexternal electrodes on respective end surfaces of the body,wherein the first insulating layer includes first and second side surfaces facing each other, and both of at least a portion of the first side surface and at least a portion of the second side surface contact the conductive coil, andwherein the second insulating layer is not disposed at a lower position than a bottom surface of the conductive coil.16. The inductor of claim 15 , wherein the width of the first insulating layer disposed between adjacent turns is smaller than that of the turns of the conductive coil.17. The inductor of claim 15 , wherein the gap interval between adjacent turns of the conductive coil in the conductive coil is substantially filled with the first insulating layer.18. The inductor of claim 15 , wherein the first insulating layer is formed of a material different from that of the second insulating layer.19. The inductor of claim 15 , wherein the ...

ELECTRONIC COMPONENT AND ELECTRONIC EQUIPMENT USING SAME

An electronic component includes a circuit element, a body accommodating the circuit element therein, and a holder made of a metal plate and holding the circuit element. The circuit element includes an end portion extending out of the body from a side surface of the body. The end portion extends from the side surface of the body toward a bottom surface of the body. The holder has first and second side surface portions and a bottom surface portion facing the bottom surface of the body. The first and second side surface portions face the side surface of the body. The first and second side surface portions are disposed with respective gaps from the end portion of the circuit element such that the end portion of the circuit element is positioned between the first and second side surface portions. The bottom surface portion is connected to the first and second side surface portions. The end portion of the circuit element is fixed to the bottom surface portion. Widths of the first and second side surface portions are larger than a width of the end portion of the circuit element. This electronic component prevents terminals from being broken due to vibrations even if electronic component has a small size, thus having a high reliability as an automobile component. 1. An electronic component comprising:a circuit element;a body accommodating the circuit element therein; anda holder made of a metal plate and holding the circuit element, whereinthe body has a side surface and a bottom surface connected to the side surface,the circuit element has an end portion led out of the body from the side surface of the body, the end portion extending from the side surface toward the bottom surface of the body, a first surface portion and a second side surface portion which face the side surface of the body such that the end portion of the circuit element is positioned between the first side surface portion and second side surface portion and is located away from the first side surface ...

Coil component and method for manufacturing same

A coil component includes an insulating layer and a coil pattern provided inside the insulating layer. A lower surface and a side surface of the coil pattern form an acute angle, in a longitudinal cross section of the coil pattern. In particular, a side surface of the coil pattern includes a foot part located in a lower portion of the side surface and an upper part located above the foot part in the side surface, and an angle between the lower surface and the upper part of the side surface of the coil pattern is larger than the acute angle between the lower surface and the foot part of the side surface of the coil pattern. A method of manufacturing the coil component is also provided.

COIL COMPONENT

A coil component that includes a core, a first wire, and a second wire. The core has a prism-shaped winding core part. The first wire and the second wire are wound around the winding core part. The coil component has an overlapping winding region in which the first wire is wound around the winding core part and the second wire is wound around the winding core part on top of the first wire. The overlapping winding region includes a prescribed part in which the first wire and the second wire are wound around the winding core part in such a manner that a gap is interposed between a part of the first wire that is wound along a first side surface of the winding core part and a part of the second wire that is wound along the first side surface. 1. A coil component comprising:a core including a prism-shaped winding core part, a first flange part that is connected to a first end of the winding core part in an axial direction of the winding core part, and a second flange part that is connected to a second end of the winding core part in the axial direction of the winding core part, and the winding core part has a first side surface, a second side surface that is connected to the first side surface via a first corner, and a third side surface that is connected to the first side surface via a second corner; anda first wire and a second wire that are wound around the winding core part,whereinan overlapping winding region is provided that is a region in which the first wire is wound around the winding core part and the second wire is wound around the winding core part on top of the first wire, andthe overlapping winding region includes a prescribed part that is a part in which the first wire and the second wire are wound around the winding core part in such a manner that a gap is interposed between a part of the first wire that is wound along the first side surface and a part of the second wire that is wound along the first side surface.2. The coil component according to claim 1 ...

ELECTRONIC COMPONENT

An electronic component includes an internal electrode and an external electrode electrically connected thereto. The external electrode includes a conductive base having a porous structure and a resin filled in voids in the porous structure of the conductive base. The electronic component further includes a connection layer disposed between the internal electrode and the external electrode. 1. An electronic component comprising:an internal electrode;an external electrode connected to the internal electrode; anda connection layer disposed between the internal electrode and the external electrode,wherein the external electrode includes a conductive layer having a porous structure, and a resin filled in voids in the porous structure,wherein the conductive layer contains an Ag—Sn based alloy, so that the external electrode has a continuous network structure including intermetallic compounds, andwherein the connection layer includes an intermetallic compound, and the intermetallic compound of the connection layer and the intermetallic compound of the external electrode are in direct contact with each other.2. The electronic component of claim 1 , wherein the Ag—Sn based alloy is AgSn.3. The electronic component of claim 1 , wherein the conductive layer forms a continuous network structure extending from an internal side to an external side of the external electrode.4. The electronic component of claim 1 , wherein the resin is a thermosetting resin.5. The electronic component of claim 1 , wherein the connection layer is formed of a Cu—Sn compound.6. The electronic component of claim 5 , wherein the connection layer is a double layer including a first connection layer adjacent to the external electrode and a second connection layer adjacent to the internal electrode.7. The electronic component of claim 6 , wherein the first connection layer is formed of a CuSnalloy.8. The electronic component of claim 6 , wherein the second connection layer is formed of a CuSn alloy.9. The ...

ELECTRONIC COMPONENT

An electronic component includes an element body including two end surfaces opposite to each other and a bottom surface connected between the two end surfaces. A coil is provided in the element body and an external electrode is provided in the element body. In a first cross-section intersecting with the two end surfaces and the bottom surface of the element body, the external electrode has a first portion extending along a first surface that is one of the end surface and the bottom surface of the element body. The coil is disposed such that an outer circumferential edge of the coil faces the first surface of the element body. A shortest distance between the outer circumferential edge of the coil and the first surface of the element body is smaller than a minimum width of the first portion in a direction orthogonal to the first surface. 1. An electronic component comprising:an element body including a first end surface and a second end surface opposite to each other and a bottom surface connecting to the first end surface and the second end surface;a coil provided in the element body; anda first external electrode and a second external electrode provided in the element body and electrically connected to the coil,wherein the coil includes coil conductor layers that are electrically connected to each other along a lamination direction,wherein in a first cross-section intersecting with the first end surface, the second end surface, and the bottom surface of the element body:the first external electrode has a first portion extending along the bottom surface of the element body and a second portion extending along the first end surface of the element body, the first portion of the first external electrode and the second portion of the first external electrode being embedded in the element body,the second external electrode has a first portion extending along the bottom surface of the element body and a second portion extending along the second end surface of the element ...

Inductor and method of manufacturing the same

An inductor includes a body including an insulating portion formed of a plurality of layers and a magnetic portion surrounding the insulating portion and external electrodes disposed on external surfaces of the body, and a method of manufacturing the same. A coil portion is embedded in the insulating portion, and has a structure in which coil patterns formed on a plurality of layers are stacked while being connected to each other.

Coil component

A coil component includes a body and a coil portion disposed in the body and including first and second lead-out portions. Recesses are disposed along edges of one surface of the body, and expose the first and second lead-out portions to internal walls and lower surfaces of the recesses. First and second external electrodes are disposed in the recesses, and are connected to the first and second lead-out portions. A third external electrode is disposed in the recesses, and is connected to a connection electrode disposed on side surfaces of the body and on another surface of the body opposite to the one surface. An external insulating layer covers the connection electrode, and has an opening exposing at least a portion of the connection electrode. A shielding layers is disposed on the external insulating layer and in the opening and connects to the connection electrode.

Electronic component

An electronic component includes insulator layers having first and second sides respectively extending in first and second directions from a first point, and outer conductor layers extends in the first and second direction from the first point. Each of the outer conductor layers has second and third points. One of the outer conductor layers has a fixing portion inside a region having a third side connecting the second and third points, and fourth and fifth sides respectively extending from the second point in the reverse first direction and from the third point in the reverse second direction.

Compact Isolated Inductors

Structures and methods for reducing physical space of two or three inductors while maintaining low magnetic coupling between the inductors are presented. According to one aspect, the inductors share their volume spaces and have (substantially) orthogonal far field magnetic vectors. According to another aspect, the inductors are fabricated on planar layers of a stacked structure that includes conductive and non-conductive layers. According to an additional aspect, a coil structure of one of the inductors passes through a volume space of another inductor. According to another aspect, coil structures of two of the inductors are interlaced. According to another aspect, relative placement of two coil structures of two inductors is based on a number of windings of one of the two coil structures above and below the other coil structure. According to another aspect, a shape of a coil structure of one inductor follows a near field magnetic vector of another inductor. 1. A multi-layered structure referenced in a coordinate space (x , y , z) , comprising:a first inductor defined by a first coil structure, wherein the first coil structure defines a first volume space of the first inductor; anda second inductor defined by a second coil structure, wherein the second coil structure defines a second volume space of the second inductor;wherein the first volume space and the second volume space comprise a common shared volume space of the coordinate space (x, y, z), andwherein a first far field magnetic vector of the first inductor is substantially orthogonal to a first far field magnetic vector of the second inductor.2. The multi-layered structure according to claim 1 , wherein:the first coil structure comprises one or more coil windings formed in one or more layers of the multi-layered structure, each of the one or more coil windings defining a same substantially planar first shape in a first plane,the second coil structure comprises one or more coil windings formed in one or more ...

COIL COMPONENT

A coil component includes an element and a coil disposed in the element. The element includes a plurality of first magnetic layers and second magnetic layers laminated. The coil includes a plurality of coil conductive layers laminated. Each of the coil conductive layers is disposed between a corresponding one of the first magnetic layers and a corresponding one of the second magnetic layers. A pore area proportion in the second magnetic layers is smaller than a pore area proportion in the first magnetic layers. A void is present between the coil conductive layer and the corresponding one of the second magnetic layers. 1. A coil component comprising:an element including a plurality of first magnetic layers and second magnetic layers laminated; anda coil disposed in the element, the coil including a plurality of coil conductive layers laminated,whereineach of the coil conductive layers is disposed between a corresponding one of the first magnetic layers and a corresponding one of the second magnetic layers,a pore area proportion in the second magnetic layers is smaller than a pore area proportion in the first magnetic layers, anda void is present between the coil conductive layer and the corresponding one of the second magnetic layers.2. The coil component according to claim 1 , whereina difference between the pore area proportion in the first magnetic layers and the pore area proportion in the second magnetic layers is about 2% or more.3. The coil component according to claim 2 , whereinthe difference between the pore area proportion in the first magnetic layers and the pore area proportion in the second magnetic layers is about 5% or more.4. The coil component according to claim 1 , whereinthe pore area proportion in the second magnetic layers is from about 1% to about 5%.5. The coil component according to claim 1 , whereinthe pore area proportion in the first magnetic layers is from about 5% to about 15%.6. The coil component according to claim 1 , further ...