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Небесная энциклопедия

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

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Мониторинг СМИ

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

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 11480. Отображено 100.
27-08-2010 дата публикации

Контейнер для печатающего материала (варианты) и плата, устанавливаемая на контейнере для печатающего материала (варианты)

Номер: RU0000097088U1
Автор: Нобору АСАУТИ
Принадлежит: СЕЙКО ЭПСОН КОРПОРЕЙШН

1. Контейнер для печатающего материала, вставляемый с возможностью снятия в предписанном направлении вставления в печатающее устройство, имеющее выводы печатающего устройства, при этом контейнер для печатающего материала содержит память, схему высокого напряжения, к которой прикладывается напряжение более высокое, чем напряжение, прикладываемое к памяти; и группу выводов, которая включает в себя первые выводы и второй вывод, при этом первые выводы соединены с памятью и соответственно включают в себя первый контактный участок для контакта с соответствующим выводом среди выводов печатающего устройства, второй вывод соединен со схемой высокого напряжения и включает в себя второй контактный участок для контакта с соответствующим выводом среди выводов печатающего устройства, при этом второй контактный участок и часть первых контактных участков расположены так, что образуют первый ряд, другая часть первых контактных участков образует по меньшей мере часть второго ряда, и первый ряд расположен дальше в направлении вставления, чем второй ряд, причем второй контактный участок расположен на конце первого ряда. ! 2. Контейнер для печатающего материала, вставляемый с возможностью снятия в предписанном направлении вставления в печатающее устройство, имеющее выводы печатающего устройства, при этом контейнер для печатающего материала содержит память, схему высокого напряжения, к которой прикладывается напряжение более высокое, чем напряжение, прикладываемое к памяти, и группу выводов, которая включает в себя первые выводы и второй вывод, при этом первые выводы соединены с памятью и соответственно включают в себ РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 97 088 (13) U1 (51) МПК B41J 2/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ(титульный лист) (21), (22) Заявка: 2009130956/08, 13.08.2009 (24) Дата начала отсчета срока действия патента: 14.12.2006 (73) Патентообладатель(и): СЕЙКО ЭПСОН КОРПОРЕЙШН (JP) R ...

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Номер записи: 1
12-01-2012 дата публикации

Method of manufacturing nozzle plate, liquid ejection head and image forming apparatus

Номер: US20120007920A1
Автор: Shuji Takahashi
Принадлежит: Individual

The method of manufacturing a nozzle plate which includes a nozzle having a tapered section and a linear section includes the steps of: forming an etching stopper layer for stopping dry etching of a silicon substrate, on a first surface of the silicon substrate; forming a mask layer on a second surface of the silicon substrate reverse to the first surface; performing a first patterning process with respect to the mask layer so that an opening section is formed in the mask layer; carrying out the dry etching of the silicon substrate through the opening section in the mask layer so that the tapered section of the nozzle is formed in the silicon substrate; carrying out dry etching of the etching stopper layer through the opening section in the mask layer so that at least a part of the linear section of the nozzle is formed in the etching stopper layer; and removing the mask layer.

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Номер записи: 2
26-01-2012 дата публикации

Inkjet print head and method for manufacturing the same

Номер: US20120019596A1
Автор: Hwa Sun Lee, Jae Chang Lee, Tae Kyung Lee
Принадлежит: Samsung Electro Mechanics Co Ltd

An inkjet print head and a method for manufacturing the same are provided. The inkjet print head includes: an upper board having a pressure chamber; and a lower board including an upper silicon layer, an insulating layer, and a lower silicon layer, wherein the lower board includes a projection formed of the upper silicon layer and protruded into the interior of the pressure chamber in order to reduce the space of the pressure chamber, and a lower surface of the upper board and an upper surface of the lower silicon layer are fixed.

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Номер записи: 3
23-02-2012 дата публикации

Liquid ejection head

Номер: US20120044302A1
Автор: Yuichi Ito
Принадлежит: Brother Industries Ltd

A liquid ejection head including: a channel unit having pressure chambers, ejection openings, and liquid channels; and an actuator unit including a piezoelectric layer and individual electrodes formed on a face of the piezoelectric layer, the actuator unit being configured to apply a drive voltage to the individual electrodes, wherein each of the individual electrodes includes: a land to which the drive voltage is applied; a main portion disposed such that an entire area thereof is opposite to a corresponding one of the pressure chambers in a direction perpendicular to the face of the piezoelectric layer; an extended portion extending, in an extending direction in which the extended portion extends, from the main portion toward the land along the face so as to connect the main portion and the land; and a dummy extended portion extending from the main portion along the face in an opposite direction opposite to the extending direction.

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Номер записи: 4
08-03-2012 дата публикации

Printhead assembly incorporating ink distribution assembly

Номер: US20120056951A1
Автор: Kia Silverbrook
Принадлежит: SILVERBROOK RESEARCH PTY LTD

A printhead assembly includes an ink distribution assembly including an ink distribution molding, the ink distribution molding including a plurality of first ducts; at least one printhead integrated circuit in fluid communication with the ink distribution assembly; and a rotary platen having at least three surface, each surface for providing one of a platen surface, capping portion, and a blotting portion. The ink distribution assembly further includes a plurality of second ducts acutely angled with respect to the plurality of first ducts, a plurality of transfer ports facilitating fluid communication between the plurality of first ducts and the plurality of second ducts, and a plurality of ink inlet ports facilitating fluid communication between an ink cassette and the plurality of first ducts.

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Номер записи: 5
15-03-2012 дата публикации

Liquid ejecting head, liquid ejecting apparatus, and actuator device

Номер: US20120062073A1
Автор: Hiromu Miyazawa, Jiro Kato
Принадлежит: Seiko Epson Corp

A liquid ejecting head including a pressure-generating chamber which communicates with a nozzle opening, and a piezoelectric element including a first electrode, a piezoelectric layer formed above the first electrode and having a perovskite structure represented by the general formula ABO 3 , and a second electrode formed above the piezoelectric layer, wherein the piezoelectric layer, lead, zirconium, and titanium are present at A sites of the perovskite structure, and lead, zirconium, and titanium are present at B sites of the perovskite structure.

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Номер записи: 6
15-03-2012 дата публикации

Piezoelectric inkjet head structure

Номер: US20120062657A1
Автор: Chi-Feng Huang, Chiang-Ho Cheng
Принадлежит: Microjet Technology Co Ltd

A piezoelectric inkjet head structure includes an upper cover plate, a lower cover plate, a piezoelectric actuating module, a nozzle plate and a seal layer. The piezoelectric actuating module includes an upper piezoelectric chip, a lower piezoelectric chip, a first electrode, a second electrode, a conductive layer and a plurality of flow channels. The entrances of the flow channels of the upper piezoelectric chip and the lower piezoelectric chip are separated from each other by the same spacing interval. The entrances of the flow channels of the upper piezoelectric chip and the entrances of the flow channels of the lower piezoelectric chip are arranged in a staggered form. During operation of the piezoelectric actuating module, ink liquid is introduced into the flow channels of the piezoelectric actuating module from the upper cover plate and the lower cover plate, and then ejected out of the nozzles.

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Номер записи: 7
22-03-2012 дата публикации

Liquid discharge method, liquid discharge head and liquid discharge apparatus

Номер: US20120069092A1
Автор: Shuichi Murakami, Yasunori Takei
Принадлежит: Canon Inc

A liquid discharge head is arranged in a manner that in the cross section of a discharge port in a liquid discharge direction, the discharge port includes: at least one projection that is convex inside the discharge port; a first area, for holding a liquid surface connecting a pillar-shaped liquid that is elongated outside the discharge port; and second areas where a fluid resistance is lower than that in the first area so as to pull the liquid in the discharge port in a direction opposite to the liquid discharge direction; and the first area is formed in the direction in which the projection is convex, and the second areas are formed on both sides of the projection.

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Номер записи: 8
22-03-2012 дата публикации

Liquid ejection head and image forming apparatus including the liquid ejection head

Номер: US20120069093A1
Автор: Daisuke Takagi, Kazuo Haida, Masahiro Kuwata
Принадлежит: Ricoh Co Ltd

A liquid ejection head includes a common-chamber formation member including a common chamber to supply liquid to pressure chambers communicating nozzles for ejecting liquid droplets, a flexible thin-film member to form part of a wall face of the common chamber, and a thin-film support member bonded to the thin-film member with glue. The support member has an opening or a recessed portion at least partially having a shape that is broad in an area proximal to a first surface of the support member bonded to the thin-film member and becomes narrower as an area of the opening or the recessed portion is more distant from the first surface. The opening or the recessed portion is sealed with the thin-film member. A portion of the thin-film member corresponding to the opening or the recessed portion has the glue on only a periphery area of the portion that contacts the support member.

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Номер записи: 9
12-04-2012 дата публикации

Liquid ejection head and method of manufacturing the same

Номер: US20120086751A1
Автор: Hidekazu NOGAMI, Hikaru Nakamoto, Manabu Hibi
Принадлежит: Brother Industries Ltd

A liquid ejection head, wherein recessed portions are formed in an ejection face such that, where, in the one direction, a distance D 1 is a distance between (i) a one-side portion of an opening end of one recessed portion and (ii) an other-side portion of an opening end of another recessed portion adjacent to the one recessed portion on one side thereof and where a distance D 2 is a distance between (i) an other-side portion of the opening end of the one recessed portion and (ii) a one-side portion of an opening end of another recessed portion adjacent to the one recessed portion on the other side thereof, a large-and-small relationship of an average value of the distances D 1 , D 2 of a second recessed portion with respect to that of a first recessed portion is the same as a large-and-small relationship of a cross-sectional area of the first recessed portion with respect to that of the second recessed portion.

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Номер записи: 10
19-04-2012 дата публикации

Multiple Monochromatic Print Cartridge Printing System

Номер: US20120092419A1
Автор: Craig Donald Strudwicke, David Bernardi, Eric Patrick O'Donnell, James Andrew, Julian Paul Kolodko, Lance Thomas Brown, Mark Profaca, Neil Fyfe Edwards, Peter John Morley Sobey, Stephen John Sleijpen, Toby Desmond Oste, William John Stacey
Принадлежит: SILVERBROOK RESEARCH PTY LTD

A colour ink printing system, includes a plurality of print head cartridges, each extending across a direction of print media propagation and spaced apart along the direction of print media propagation; a print head chassis for supporting the plurality of print head cartridges, the print head chassis actuable between a printing position, a transition position, and a maintenance position; a maintenance chassis for supporting a plurality of maintenance cradles, the maintenance chassis actuable between a storage position and an operational position; and a platen on which the print media is supported and propagated. Each of the plurality of print head cartridges is held stationary with respect to a platen on which print media is propagated to effect printing on the print media. Each of the plurality of print head cartridges is a monochrome print head cartridge ejecting a fluid different to the remaining plurality of print head cartridges.

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Номер записи: 11
19-04-2012 дата публикации

Printhead For Generating Ink Drops With Reduced Tails

Номер: US20120092421A1
Автор: Alfred I-Tsung Pan, Erik D. Torniainen
Принадлежит: Hewlett Packard Development Co LP

A printhead ( 10 ) for use in an inkjet printing process includes a substrate ( 12 ) having at least one ink feed opening ( 14 ) defined therein, an ink chamber ( 16 ) in operative and fluid communication with the ink feed opening(s) ( 14 ), and a nozzle plate ( 18 ) disposed on a portion (P 1 ) of the substrate ( 12 ). The nozzle plate ( 18 ) has a plurality of orifices ( 20 ) defined therein. The printhead ( 10 ) further includes a firing resistor ( 22 ) disposed on another portion (P 2 ) of the substrate ( 12 ) and proximate to the ink feed opening(s) ( 14 ) and a barrier structure ( 24 ) disposed on the other portion (P 2 ) of the substrate ( 12 ) and positioned adjacent to the firing resistor ( 22 ).

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Номер записи: 12
26-04-2012 дата публикации

Dispenser including array of liquid dispensing elements

Номер: US20120098895A1
Автор: QING Yang, Yonglin Xie
Принадлежит: Individual

A liquid dispenser includes an array of liquid dispensing elements positioned on a substrate. Each liquid dispensing element includes a liquid dispensing channel positioned on the substrate. The liquid dispensing channel includes an outlet opening positioned on a wall opposite the substrate. A diverter member is associated with the liquid dispensing channel. A liquid return channel is positioned on the substrate in fluid communication with the liquid dispensing channel. A liquid supply channel is positioned on the substrate in fluid communication with the liquid dispensing channel. A liquid supply passage extends through the substrate in fluid communication with the liquid supply channel. A liquid return passage extends through the substrate in fluid communication with the liquid return channel. A liquid supply provides liquid that flows from each liquid supply channel through each liquid dispensing element to each liquid return channel. Each diverter member is selectively activated to divert a portion of the liquid flowing through the associated liquid dispensing channel through the outlet opening of the associated liquid dispensing channel to dispense a drop of the liquid.

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Номер записи: 13
26-04-2012 дата публикации

Dispensing liquid using dispenser with return filter

Номер: US20120098899A1
Автор: QING Yang, Yonglin Xie
Принадлежит: Eastman Kodak Co

A liquid dispenser is provided that includes a liquid supply channel, a liquid dispensing channel, and a liquid return channel. The liquid dispensing channel includes a first wall. A portion of the first wall defines an outlet opening. The liquid dispensing channel includes a second wall that is positioned opposite the first wall. The second wall of the liquid dispensing channel extends along a portion of the liquid supply channel and along a portion of the liquid return channel. A liquid supply passage is provided that extends through the second wall and is in fluid communication with the liquid supply channel. The liquid supply passage includes a porous member. A liquid return passage is provided that extends through the second wall and is in fluid communication with the liquid return channel. The liquid return passage includes a porous member. A liquid is provided that flows from the liquid supply passage through the liquid supply channel through the liquid dispensing channel through the liquid return channel to the liquid return passage. A liquid drop is caused to be ejected from the outlet opening of the liquid dispensing channel by selectively actuating a diverter member to divert a portion of the flowing liquid through the outlet opening of the liquid dispensing channel.

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Номер записи: 14
10-05-2012 дата публикации

Liquid jet head, liquid jet apparatus, and method of driving a liquid jet head

Номер: US20120113174A1
Автор: Osamu Koseki
Принадлежит: SII Printek Inc

A liquid jet head ( 1 ) includes: a channel (CA) surrounded by wall members at least partially formed of a piezoelectric body (PM) that is subjected to polarization processing in one direction; a pair of electrodes (EL) sandwiching the piezoelectric body (PM), for applying an electric field in a direction substantially orthogonal to the one direction; and a drive section (CR) for driving the piezoelectric body (PM) by setting a voltage of one of the pair of electrodes (EL) to a low voltage (Vu) having a small absolute value, and supplying a drive signal (Vs) to another one of the pair of electrodes (EL). The drive section (CR) includes a switching element (SW) for switching the voltage of the one of the pair of electrodes (EL) from the low voltage (Vu) to a high voltage (Vh) having a large absolute value.

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Номер записи: 15
14-06-2012 дата публикации

Inkjet device and sealing method for the inkjet device

Номер: US20120147088A1
Автор: Hideaki Nishida
Принадлежит: Toshiba TEC Corp

According to one embodiment, an inkjet device includes: an inkjet head; an armor section configured to surround the periphery of the inkjet head; a first gap formed over the entire periphery in the peripheral direction in a plurality of the armor sections; and a seal body for forming a surface tension seal by fluid in a second gap arranged in the first gap to form a gap narrower than the first gap.

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Номер записи: 16
14-06-2012 дата публикации

Micro-ejector and method of manufacturing the same

Номер: US20120147097A1
Автор: Bo Sung Ku, Sang Jin Kim, Suk Ho Song
Принадлежит: Samsung Electro Mechanics Co Ltd

There are provided a micro-ejector and a method of manufacturing the same. The micro-ejector includes an upper substrate including an inlet into which a fluid is drawn from the outside and a chamber groove; a lower substrate including a reservoir groove to provide a reservoir storing the fluid drawn through the inlet; a piezoelectric actuator formed on the upper substrate and supplying a driving force for fluid ejection to a chamber; and at least one support protruding from a bottom of the reservoir groove so as to support the upper substrate.

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Номер записи: 17
28-06-2012 дата публикации

Nozzle layout for fluid droplet ejecting

Номер: US20120162316A1
Автор: Kevin Von Essen, Paul A. Hoisington, Tsutomu Kusakari
Принадлежит: Fujifilm Corp

A fluid ejection apparatus includes a printhead having a substrate. The substrate includes a nozzle face having a width direction and a length direction. The nozzle face includes a set of four columns of nozzles oriented in a column direction substantially along the width direction of the nozzle face, and the nozzles in each column are positioned on a straight line along the column. A spacing between two adjacent columns of the four adjacent columns is different than a spacing between another two adjacent columns of the four adjacent columns. In some implementations, a controller can control timing of ejection of fluid droplets from the nozzles to deposit lines of fluid droplets on a medium, and the medium can travel relative to the nozzle face.

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Номер записи: 18
19-07-2012 дата публикации

Ink-jet head

Номер: US20120182352A1
Автор: Hidehiro Yoshida, Kazuki Fukada
Принадлежит: Panasonic Corp

Disclosed is an ink-jet head that can suppress occurrence of the crosstalk and facilitate a smooth ink circulation in pressure chambers. The ink jet head includes two or more pressure chambers 110 configured to be supplied with ink and each having a nozzle; ink supply channel 101 communicating with each of pressure chambers 110 and configured to allow the ink to flow to each of pressure chambers 110; ink discharge channel 102 communicating with each of pressure chambers 110 and configured to allow the ink discharged from each of pressure chambers 110 to flow; ink inlet channel 107 connecting each of pressure chambers 110 to ink supply channel 102; ink outlet channel 108 connecting each of pressure chambers 110 to ink discharge channel 102. An inner surface of ink outlet channel 108 includes unevenness 109.

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Номер записи: 19
02-08-2012 дата публикации

Method for connecting two objects electrically

Номер: US20120192415A1
Автор: Hiroto Sugahara
Принадлежит: Brother Industries Ltd

A groove, and a recess which communicates with the groove, are formed in a substrate. Next, a through hole which communicates with the groove is formed. Thereafter, a wire is formed on an upper surface of the substrate, and an individual electrode is arranged on a lower surface of the substrate. Further, a droplet of an electroconductive liquid is made to land on the recess, and the liquid is filled in the through hole via the groove. Next, the liquid filled in the groove, the recess, and the through hole is heated to harden. Further, the recess and the groove of the substrate are removed by cutting up to an area near the through hole. Accordingly, it is possible to connect electrically the connecting bodies arranged on both surfaces of the substrate by filling an electroconductive material in the through holes easily.

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Номер записи: 20
13-09-2012 дата публикации

Ink-jet head and method of manufacturing ink-jet head

Номер: US20120229574A1
Автор: Naoki Ooishi
Принадлежит: Toshiba TEC Corp

According to one embodiment, an ink-jet head includes a main body, electrodes, electrically conductive portions, an insulating film, an adhesive, a frame member, a lid member, an electronic component and a protective agent. The main body includes pressure chambers. The electrodes are disposed in the pressure chambers. The electrically conductive portions are disposed on the main body and connected to the electrodes. The insulating film covers the electrodes and a part of the electrically conductive portions. The adhesive covers an end portion of the insulating film. The frame member is located on the end portion of the insulating film and attached to the main body by the adhesive. The electronic component is connected to the electrically conductive portions. The protective agent covers the electrically conductive portions between the electronic component and the frame member.

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Номер записи: 21
20-09-2012 дата публикации

Liquid ejection apparatus

Номер: US20120236056A1
Автор: Yuichi Ito
Принадлежит: Brother Industries Ltd

A liquid ejection apparatus comprises a head, a conveyor, an image dot controller, a determiner and a non-image dot controller. The determiner determines whether an image dot non-forming period is equal to or longer than a predetermined time period. The non-image dot controller controls the head so that each ejection opening, whose image dot non-forming period is equal to or longer than the predetermined time period, ejects liquid once within a non-image dot forming period in the image dot non-forming period, to form on a recording medium a non-image dot, the non-image dot forming period being a period from a third time point which is after the first time point to a second time point which is the predetermined time period after the first time point, and that a plurality of the non-image dots structured by the liquid ejected from the ejection openings are scattered in a conveyance direction.

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Номер записи: 22
08-11-2012 дата публикации

Offset inlets for multicolor printheads

Номер: US20120281044A1
Автор: John R. Andrews, Terrance L. Stephens
Принадлежит: Xerox Corp

An inkjet array has been developed that enables inlets for one group of inkjet ejectors to be laterally offset from the nozzles of the inkjet ejectors in the group and also enables inlets for another group of inkjet ejectors to be laterally offset from the nozzles of the inkjet ejectors in the other group. The lateral offset distance increases the distance between the inlets of the two groups to provide a wider bonding area between the two groups and improve the fluidic isolation between the two groups of inkjet ejectors.

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Номер записи: 23
27-12-2012 дата публикации

Inkjet recording apparatus and inkjet recording method

Номер: US20120327149A1
Автор: Yoshiaki Mochizuki
Принадлежит: Toshiba TEC Corp

According to one embodiment, an inkjet recording apparatus includes a head body, electrodes, a nozzle plate and a control section. The control section is electrically connected to the electrodes and applies an ejection pulse or a non-ejection pulse to the electrodes. The ejection pulse includes a first voltage change process for increasing the volume of a pressure chamber and a second voltage change process for reducing the volume of the pressure chamber, has width equal to or larger than 0.95 times and equal to or smaller than 1.05 times of a pressure propagation time in the pressure chamber, and ejects the ink from a nozzle. The non-ejection pulse has width equal to or larger than 0.2 times and equal to or smaller than 0.34 times of the width of the ejection pulse and stops the ink in the nozzle.

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Номер записи: 24
17-01-2013 дата публикации

Driving device for driving liquid delivery head, recording apparatus, and recording method

Номер: US20130016146A1
Автор: Takuji Hashiguchi
Принадлежит: Kyocera Corp

A driving device, and a liquid discharge head and a recording apparatus using the driving device are provided which permit precise printing under various conditions. The driving device includes a latch signal generation circuit for generating a latch signal every Tc seconds; a delay time retention circuit for retaining data of delay times of less than Tc seconds; a plurality of first latch circuits which are capable of retaining one-line pixel data, and latch pixel data from outside by the latch signal; a plurality of second latch circuits which are divided into a plurality of second latch circuit groups, and latch pixel data retained in the plurality of first latch circuits after the delay time of data retained in the delay time retention circuit for each of the second latch circuit groups is passed after the latch signal is transmitted; and a driving signal transmission circuit.

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Номер записи: 25
17-01-2013 дата публикации

Handheld imaging device with image processor provided with multiple parallel processing units

Номер: US20130016232A1
Автор: Kia Silverbrook
Принадлежит: Google LLC

A handheld imaging device includes an image sensor for sensing an image; a micro-controller integrating therein a dedicated image processor for processing the sensed image, a bus interface, and an image sensor interface; and a plurality of processing units connected in parallel by a crossbar switch, the plurality of processing units provided within the micro-controller to form a multi-core processing unit for the processor. The image sensor interface provides communication between the micro-controller and the image sensor. The bus interface provides communication between the micro-controller and devices external to the micro-controller other than the image sensor.

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Номер записи: 26
17-01-2013 дата публикации

Handheld imaging device with multi-core image processor integrating image sensor interface

Номер: US20130016236A1
Автор: Kia Silverbrook
Принадлежит: Google LLC

A handheld imaging device includes an image sensor for sensing an image; a processor for processing the sensed image; a multi-core processing unit provided in the processor, the multi-core processing unit having a plurality of processing units connected in parallel by a crossbar switch; and an image sensor interface for converting signals from the image sensor to a format readable by the multi-core processing unit, the image sensor interface sharing a wafer substrate with the processor. A transfer of data from the image sensor interface to the plurality of processing units is conducted entirely on the shared wafer substrate.

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Номер записи: 27
17-01-2013 дата публикации

Handheld imaging device with vliw image processor

Номер: US20130016266A1
Автор: Kia Silverbrook
Принадлежит: Google LLC

A handheld imaging device includes an image sensor for sensing an image: a Very Long Instruction Word (VLIW) processor for processing the sensed image; a plurality of processing units provided in the VLIW processor, the plurality of processing units connected in parallel by a crossbar switch to form a multi-core processing unit for the VLIW processor; and an image sensor interface for receiving signals from the image sensor and converting the signals to a format readable by the VLIW processor, the image sensor interface sharing a wafer substrate with the VLIW processor. A transfer of data from the image sensor interface to the VLIW processor is conducted entirely on the shared wafer substrate.

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Номер записи: 28
24-01-2013 дата публикации

Camera system with color display and processor for reed-solomon decoding

Номер: US20130021443A1
Автор: Kia Silverbrook
Принадлежит: Google LLC

A camera system including: a substrate having a coding pattern printed thereon and a handheld digital camera device. The camera device includes: a digital camera unit having a first image sensor for capturing images and a color display for displaying captured images to a user; an integral processor configured for: controlling operation of the first image sensor and color display; decoding an imaged coding pattern printed on a substrate, the printed coding pattern employing Reed-Solomon encoding; and performing an action in the handheld digital camera device based on the decoded coding pattern. The decoding includes the steps of: detecting target structures defining the extent of the data area; determining the data area using the detected target structures; and Reed-Solomon decoding the coding pattern contained in the determined data area.

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Номер записи: 29
07-02-2013 дата публикации

Liquid ejection head

Номер: US20130033547A1
Автор: Akiko Saito, Yumi Komamiya
Принадлежит: Canon Inc

Provided is a liquid ejection head, including a substrate including an energy-generating element for generating energy to be used for ejecting a liquid, and a supply port that is a through-hole for supplying the liquid to the energy-generating element; and an orifice plate including an ejection orifice for ejecting the liquid. A plurality of the energy-generating elements are arranged in a first direction. The supply port is formed between the plurality of the energy-generating elements in the first direction, and the supply port is formed so as to be adjacent to the energy-generating element in a second direction orthogonal to the first direction.

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Номер записи: 30
14-03-2013 дата публикации

Image forming apparatus including recording head for ejecting liquid droplets

Номер: US20130063507A1
Автор: Shino Sasaki
Принадлежит: Ricoh Co Ltd

An image forming apparatus includes a recording head, a head driving control unit, and a dummy ejection control unit. The dummy ejection control unit controls first dummy ejection operation to eject droplets to a continuous medium per a constant length and second dummy ejection operation to eject droplets not contributing to image formation to an image formation area. In the first dummy ejection operation, the head driving control unit applies a first non ejection pulse to a pressure generator corresponding to a non ejection nozzle. In the second dummy ejection operation, the head driving control unit applies a second non ejection pulse to the pressure generator corresponding to the non ejection nozzle. When the second non ejection pulse is applied, an amplitude or number of vibrations of a meniscus of liquid in the non ejection nozzle is greater than when the first non ejection pulse is applied.

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Номер записи: 31
28-03-2013 дата публикации

Ink jet head and ink jet recording apparatus

Номер: US20130076836A1
Автор: Yasuyo Yokota
Принадлежит: Fujifilm Corp

An ink jet head is provided which includes: nozzles forming a predetermined array; liquid chambers respectively provided for the nozzles; pressure generation elements respectively provided for the liquid chambers which respectively discharge liquid in the liquid chambers; individual supply flow paths which respectively supply the liquid to the liquid chambers; a common supply flow path that is connected to each individual supply flow path and supplies the liquid into each individual supply flow path; and a liquid supply unit that circulates the liquid of the common supply flow path so as to make the liquid flow in one direction in the common supply flow path. The common supply flow path has a shape in which a cross-sectional area is increased and decreased at a predetermined interval. Each individual supply flow path is provided at a position where the cross-sectional area of the common supply flow path is increased.

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Номер записи: 32
04-04-2013 дата публикации

Liquid jetting apparatus

Номер: US20130083102A1
Автор: Hirofumi Kondo, Masato Sueyasu, Masayoshi Hayashi, Reiko HIGASHIKAWA, Tatsuya Nishikawa, Toru Yamashita, Yasuhiro Kato
Принадлежит: Brother Industries Ltd

A liquid jetting apparatus includes: a liquid jetting head in which nozzles for jetting the liquid are formed and which has an actuator for jetting the liquid from the nozzles; an interposer substrate which is provided to the liquid jetting head and on which a driver IC is mounted; a control substrate which controls the liquid jetting head; a wire member which connects the interposer substrate and the control substrate; and a flexible circuit board which connects the interposer substrate and the actuator, wherein the interposer substrate has a first connecting portion to which the wire member is to be connected, and a second connecting portion to which the flexible circuit board is to be connected, and the driver IC is arranged nearer to the first connecting portion than the second connecting portion of the interposer substrate.

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Номер записи: 33
16-05-2013 дата публикации

Liquid ejecting apparatus

Номер: US20130120500A1
Автор: Shunya Fukuda
Принадлежит: Seiko Epson Corp

A liquid ejecting apparatus includes a pressure chamber that communicates with a nozzle which has an opening at a nozzle formation surface; a communication plate where a common liquid chamber which supplies a liquid to the pressure chamber is formed; a liquid ejecting head having a flexible film which seals the opening surface at the nozzle formation surface side of the common liquid chamber in the communication plate; and a sealing member which has a cavity-shaped sealing hollow section and can be sealed by the nozzle formation surface being confronted in the sealing hollow section. The sealing member is configured so as to be sealable by at least a portion of the flexible film being confronted in the sealing hollow section in a sealed state of the nozzle formation surface.

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Номер записи: 34
30-05-2013 дата публикации

Ink jet printing apparatus and method for controlling ink jet printing apparatus

Номер: US20130135380A1
Автор: Hirokazu Yoshikawa, Hiroshi Taira, Kenichi Oonuki, Kiichiro Takahashi, Toshiyuki Chikuma, Wakako Tanaka
Принадлежит: Canon Inc

An ink jet printing apparatus including a plurality of print heads and a method for controlling the ink jet printing apparatus are provided which allows ink ejection to be immediately started. If temperatures of both a first print head and a second print head have become equal to or higher a reference temperature at least once, a printing operation or a preliminary ejection operation using the first print head and the second print head is started even when one of the temperature of the first print head and the temperature of the second print head is lower than the reference temperature.

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Номер записи: 35
30-05-2013 дата публикации

Liquid ejecting head, liquid ejecting apparatus and piezoelectric element

Номер: US20130135400A1
Автор: Motoki Takabe, Shiro Yazaki, Takahiro Kamijo, Tatsuro Torimoto
Принадлежит: Seiko Epson Corp

A piezoelectric element includes a plurality of individual electrodes, a piezoelectric layer formed on each of individual electrodes, and a common electrode which is formed on the piezoelectric layer and is an electrode common to the individual electrodes. Further, a protection film covering a region, which is not covered by the common electrode on the individual electrode, is provided.

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Номер записи: 36
06-06-2013 дата публикации

Liquid ejection head, and recording method and suction method using the liquid ejection head

Номер: US20130141490A1
Автор: Takuma Kodoi
Принадлежит: Canon Inc

Provided is a liquid ejection head, including: a substrate; a pressure chamber; a first common liquid chamber; a filter for inhibiting inflow of foreign matter in liquid supplied to the pressure chamber; a second common liquid chamber; a first supply opening and a second supply opening, the first supply opening communicating to the first common liquid chamber, the second supply opening communicating to the second common liquid chamber; and a liquid receiving portion formed in the second surface of the substrate in which the second common liquid chamber, the pressure chamber, and the first common liquid chamber are arranged in this order in a first direction from an end of the substrate to a center of the substrate; and the first common liquid chamber communicates to the pressure chamber via the filter, and the second common liquid chamber communicates to the pressure chamber not via the filter.

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Номер записи: 37
20-06-2013 дата публикации

Liquid ejecting head, liquid ejecting apparatus, and piezoelectric element

Номер: US20130155155A1
Автор: Hidemichi Furihata
Принадлежит: Seiko Epson Corp

A liquid ejecting head contains a piezoelectric element having a piezoelectric layer and an electrode disposed on the piezoelectric layer, in which the piezoelectric layer contains a complex oxide containing bismuth, iron, barium, and titanium and having a perovskite structure, has a yield stress of 5.66 GPa or more, and has a Young's modulus of 114 GPa or more.

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Номер записи: 38
27-06-2013 дата публикации

Substrate, liquid ejection head having such substrate and method of manufacturing such substrate

Номер: US20130162727A1
Автор: Shinan Wang, Yasuto Kodera
Принадлежит: Canon Inc

A substrate includes a substrate body having a semiconductor element formed thereon and at least either a recess or a protrusion formed on the surface thereof and a printed circuit formed on the substrate body and connected to the semiconductor element. At least a part of the printed circuit is formed in a region of the surface of the substrate including either the inner side surfaces of the recess or the outer side surfaces of the protrusion.

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Номер записи: 39
27-06-2013 дата публикации

Liquid jet head

Номер: US20130162738A1
Автор: Noriaki Okazawa
Принадлежит: Seiko Epson Corp

A liquid jet apparatus is provided. The liquid jet apparatus includes a first damper chamber and a second damper chamber, a release path operatively associated with both the first damper chamber and the second damper chamber, and a control path connecting the first damper chamber, the second damper chamber, and the release path to each other.

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Номер записи: 40
01-08-2013 дата публикации

Liquid ejection head and liquid ejection apparatus

Номер: US20130194353A1
Автор: Chikara Kojima, Eiju Hirai, Hiroshi Ito, Jiro Kato, Koji Sumi, Motoki Takabe, Shiro Yazaki, Takahiro Kamijo, Tatsuro Torimoto, Toshihiro Shimizu
Принадлежит: Seiko Epson Corp

A liquid ejection head includes a substrate in which a pressure generating chamber that communicates with a nozzle opening is formed; and a piezoelectric element having a piezoelectric layer, a first electrode that is formed on a surface of the piezoelectric layer on a side of the substrate so as to correspond to the pressure generating chamber, and a second electrode that is formed on a surface of the piezoelectric layer opposite to the side on which the first electrode is formed so as to extend over a plurality of the pressure generating chambers, wherein the second electrode is formed to extend to an outside of the pressure generating chamber in a longitudinal direction of the pressure generating chamber.

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Номер записи: 41
19-09-2013 дата публикации

Liquid ejection device

Номер: US20130241996A1
Автор: Koichiro Hara
Принадлежит: Brother Industries Ltd

Pressure applying sections applying a pressure to ink in pressure chambers are arranged in a staggered array in a sheet feed direction to form a row. Four of such rows of the pressure applying sections are aligned in the scanning direction. One part of inspecting sections among plural inspecting sections detecting resonance frequencies are arranged respectively at positions deviating from both end parts and an approximately center part, in the sheet feed direction, of each row of the pressure applying sections toward both sides in the scanning direction, and are aligned in the sheet feed direction. The other inspecting sections are arranged on both sides, in the sheet feed direction, of the rows of the pressure applying sections, and are aligned in the scanning direction. Further, plural dummy electrodes are aligned with the one part of inspecting sections, the inspection electrodes, and the pads in the sheet feed direction.

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Номер записи: 42
19-09-2013 дата публикации

Process for manufacturing a nozzle plate and fluid-ejection device provided with the nozzle plate

Номер: US20130242000A1
Автор: Dino Faralli, Michele Palmieri
Принадлежит: STMICROELECTRONICS SRL

A nozzle plate for a fluid-ejection device, comprising: a first substrate made of semiconductor material, having a first side and a second side; a structural layer extending on the first side of the first substrate, the structural layer having a first side and a second side, the second side of the structural layer facing the first side of the first substrate; at least one first through hole, having an inner surface, extending through the structural layer, the first through hole having an inlet section corresponding to the first side of the structural layer and an outlet section corresponding to the second side of the structural layer; a narrowing element adjacent to the surface of the first through hole, and including a tapered portion such that the inlet section of the first through hole has an area larger than a respective area of the outlet section of the first through hole.

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Номер записи: 43
19-09-2013 дата публикации

Liquid-jet head and image forming apparatus

Номер: US20130242012A1
Автор: Keisuke Hayashi, Tomohiko Koda
Принадлежит: Ricoh Co Ltd

A liquid-jet head includes nozzles ejecting liquid drops, individual liquid chambers in communication with the corresponding nozzles, a common liquid chamber supplying the liquid to the individual liquid chambers, and a filter member filtering the liquid inside the common liquid chamber. The filter member includes a thin layer having pores and a thick layer on a circumferential part of the thin layer, the thick layer being bonded to the first common liquid chamber member; the thin layer includes a first surface having the thick layer and a second surface opposite to the first surface, a circumferential part of the second surface being bonded to the second common liquid chamber member with an adhesive; and part of or all the pores in the circumferential part of the second surface are exposed in a direction toward the thick layer, and the adhesive overflows into the pores.

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Номер записи: 44
26-09-2013 дата публикации

Liquid ejecting head, liquid ejecting apparatus and piezoelectric element

Номер: US20130250010A1
Автор: Tomohiro Sakai
Принадлежит: Seiko Epson Corp

A liquid ejecting head which discharges a liquid from a nozzle opening including a piezoelectric body layer and a piezoelectric element possessing an electrode which is arranged on the piezoelectric body layer, wherein the piezoelectric body layer consists of a complex oxide having a perovskite structure, and when 2θ is fixed within the range of 21.9° to 22.7° to scan in the direction of the χ-axis, the piezoelectric body layer has a peak in the range of 4.75° to 28.3° and when 2θ is fixed within the range of 31.1° to 32.6° to scan in the direction of the χ-axis, the piezoelectric body layer has a peak in the range of 24.8° to 40.75°.

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Номер записи: 45
24-10-2013 дата публикации

Liquid ejecting head

Номер: US20130278678A1
Автор: Michinari Mizutani
Принадлежит: Canon Inc

A liquid ejecting head includes: an orifice plate provided with an ejection port forming face which has an ejection port row formed thereon, the ejection port row including a plurality of ejection ports which eject a liquid arrayed in a first direction, wherein each of the ejection ports is formed inside a plurality of grooves which are provided on the ejection port forming face and extend in a second direction that intersects with the first direction, and with respect to a cross section of the groove in the first direction, which includes centers of the ejection ports, the groove has an inner wall surface in a circular arc shape, and the groove has an aperture larger than an aperture of the ejection port, in the first direction.

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Номер записи: 46
31-10-2013 дата публикации

Liquid ejection head and recording apparatus

Номер: US20130286091A1
Автор: Chiaki Muraoka, Sayaka Takahashi, Takuya Iwano, Yukuo Yamaguchi
Принадлежит: Canon Inc

A liquid ejection head includes a substrate that carries thereon a plurality of ejection energy generating elements arranged in rows to generate energy necessary for ejecting liquid and an ejection port plate that is laid on the substrate and has a plurality of ejection ports formed therein and arranged vis-a-vis the respective ejection energy generating elements. The ejection port plate has a groove, or an oblong recess, formed on the surface thereof where the plurality of ejection ports are formed such that the groove surrounds the region where the ejection ports are formed and has a corrugated inner lateral surface and a flat outer lateral surface arranged oppositely relative to the inner lateral surface.

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Номер записи: 47
31-10-2013 дата публикации

Inkjet print head

Номер: US20130286107A1
Автор: Pil Joong Kang, Yoon Sok Park
Принадлежит: Samsung Electro Mechanics Co Ltd

There is provided an inkjet print head including: a nozzle substrate having a nozzle and a pressure chamber formed therein; and a vibrating substrate coupled to the nozzle substrate and transferring pressure from a piezoelectric actuator to the pressure chamber, wherein the vibrating substrate has a plurality of pores absorbing a pressure wave generated in a process of discharging ink.

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Номер записи: 48
21-11-2013 дата публикации

Liquid ejection head and ink jet printing apparatus

Номер: US20130307905A1
Автор: Ken Tsuchii, Masataka Sakurai
Принадлежит: Canon Inc

A power supply-heater wiring and a heater-driving circuit wiring for a heater located on the right side of a supply port can be laid out utilizing a beam portion configured to separate supply ports from each other. Furthermore, a plurality of supply ports are provided to supply ink to channels and pressure chambers and separated from one another by beam portions. Thus, an ejection structure such as an ejection opening can be located on both sides of each of the supply ports. Even if the ejection structures are relatively densely arranged, the heaters and the like can have necessary and sufficient sizes and locations without being restricted by the arrangement. A wiring connecting the heater to the power supply wiring or driving circuit is also laid out on the beam portion serving as a partition wall for the supply ports.

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Номер записи: 49
19-12-2013 дата публикации

Shear mode physical deformation of piezoelectric mechanism

Номер: US20130335487A1
Автор: Peter Mardilovich, Tony S. Cruz-Uribe
Принадлежит: Hewlett Packard Development Co LP

A piezoelectric mechanism includes first and second electrodes and a thin film sheet of piezoelectric material. The second electrode is interdigitated in relation to the first electrode. The first and the second electrodes are embedded within the thin film sheet. The thin film sheet is polarized in a direction at least substantially perpendicular to a surface of the thin film sheet. The thin film sheet is to physically deform in a shear mode due to polarization of the thin film sheet at least substantially perpendicular to the surface of the thin film sheet, responsive to an electric field induced within the thin film sheet at least substantially parallel to the sheet via application of a voltage across the first and the second electrodes.

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Номер записи: 50
02-01-2014 дата публикации

Printhead and method of making the printhead

Номер: US20140002548A1
Автор: Bryan R. Dolan, Gregory C. BROCKWAY, James M. Casella, Santokh S. Badesha, Yanjia Zuo
Принадлежит: Xerox Corp

A printhead assembly comprises a plurality of plates stacked together. The plates form a flow path having an inlet and a nozzle. An ejection chamber is in fluid connection with the flow path. A diaphragm is in operable connection with the ejection chamber. A micro actuator is in operable connection with the diaphragm, the micro actuator being configured to actuate the diaphragm. An adhesive layer bonds at least two of the plurality of plates together. The adhesive comprises silicone.

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Номер записи: 51
13-02-2014 дата публикации

Device active channel length/width greater than channel length/width

Номер: US20140042505A1
Автор: Trudy Benjamin
Принадлежит: Hewlett Packard Development Co LP

A device including a drain, a channel, and a gate. The channel surrounds the drain and has a channel length to width ratio. The gate is situated over the channel to provide an active channel region that has an active channel region length to width ratio that is greater than the channel length to width ratio.

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Номер записи: 52
13-02-2014 дата публикации

Inkjet head and method of manufacturing inkjet head

Номер: US20140043399A1
Автор: Hideo Watanabe
Принадлежит: KONICA MINOLTA INC

An inkjet head including: a head chip having; driving walls composed of piezoelectric element, wherein shear deformation is caused by applying voltage so as to jet ink, channels arranged alongside the driving walls alternatively to contain ink, outlet and inlet ports respectively provided on a front and rear surface of the head chip for each channel, driving electrodes formed on surfaces of the driving walls to apply voltage to the driving walls, and connection electrodes formed on the rear surface of the head chip to connect the driving electrodes electrically; a wiring substrate, wherein wiring electrodes are formed to apply voltage to the driving electrode through the connection electrode, bonded on the rear surface of the head chip to protrude from the head chip in a direction perpendicular to a direction of a channel array so that all the channels are exposed at the rear surface of the head chip.

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Номер записи: 53
06-03-2014 дата публикации

Liquid jetting apparatus, piezoelectric actuator, and method for producing the liquid jetting apparatus

Номер: US20140063129A1
Автор: Hirofumi Kondo
Принадлежит: Brother Industries Ltd

A liquid jetting apparatus includes a channel unit in which a liquid channel including a nozzle for jetting a liquid is formed, and a piezoelectric actuator provided on the channel unit and configured to apply jetting energy to the liquid inside the liquid channel. The piezoelectric actuator has a piezoelectric element and a wiring substrate in which a first electrode and a wire electrically connected to the first electrode are formed and which is joined to one surface of the piezoelectric element. The first electrode is configured to make contact with the piezoelectric element.

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Номер записи: 54
20-03-2014 дата публикации

Inkjet print head

Номер: US20140078224A1
Автор: Byung Hun Kim, Hwa Sun Lee, Seung Joo Shin, Yoon Sok Park
Принадлежит: Samsung Electro Mechanics Co Ltd

There is provided an inkjet print head, including: a first pressure chamber connected to a first common channel; a second pressure chamber connected to a second common channel; a connection channel connecting the first pressure chamber to the second pressure chamber; and a nozzle formed in the first pressure chamber or the second pressure chamber.

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Номер записи: 55
27-03-2014 дата публикации

Liquid droplet ejecting head, printing apparatus and method of manufacturing liquid droplet ejecting head

Номер: US20140085383A1
Автор: Hiroshi Sugita, Ikuya Miyazawa, Tsuyoshi Yoda
Принадлежит: Seiko Epson Corp

A liquid droplet ejecting head includes: a base substrate that has a concave portion that is formed to be open toward an upper surface and a wiring pattern; and an IC package that is electrically connected to the wiring pattern. The concave portion has a bottom portion and a pair of first side wall portions which stand obliquely on the bottom portion so as to be opposed to each other. Further, the wiring pattern has a plurality of linear objects, each of which is continuous and is constituted of a first part, a second part, and a third part. In addition, the IC package is formed in a chip shape, has a plurality of terminals which are formed on a front side surface, and is disposed such that the front side surface faces the concave portion, and each terminal is electrically connected to the first part.

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Номер записи: 56
03-04-2014 дата публикации

Electrical interconnect using embossed contacts on a flex circuit

Номер: US20140090248A1
Автор: Christopher J. Laharty, Dan Leo Massopust, John R. Andrews, Terrance L. Stephens
Принадлежит: Xerox Corp

A method of manufacturing a print head includes forming a jet stack having an array of jets, arranging an array of transducers on the jet stack such that each transducer in the array of transducers corresponds to each jet in the array of jets, embossing a flexible circuit substrate having contact pads such that the contact pads extend out of a plane of the flexible circuit substrate, and arranging the flexible circuit substrate such that the contact pads electrically connect to at least some of the transducers in the array of transducers.

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Номер записи: 57
07-01-2021 дата публикации

Liquid ejecting head and liquid ejecting system

Номер: US20210001630A1
Автор: Akinori TANIUCHI, Akira Miyagishi, Shotaro Tamai, Toshiro Murayama
Принадлежит: Seiko Epson Corp

A liquid ejecting head includes a first flow path extending in a first axial direction between a supply port and a discharge port, and a nozzle that is provided to branch from the first flow path and that discharges a liquid along a second axial direction orthogonal to the first axial direction. The nozzle includes a first nozzle portion in which a first opening for discharging the liquid is formed and a second nozzle portion in which a second opening that is a coupling port with the first flow path is formed, and a diameter r2 of the second opening in the first axial direction is larger than a diameter r1 of the first opening in the first axial direction.

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Номер записи: 58
07-01-2021 дата публикации

LIQUID EJECTING APPARATUS AND METHOD OF MAINTAINING LIQUID EJECTING APPARATUS

Номер: US20210001631A1
Автор: Iwamuro Takeshi, Kimura Hitotoshi, SHINODA Tomoki
Принадлежит:

A liquid ejecting apparatus includes a liquid ejecting portion having a filter configured to filter a supplied liquid and eject the liquid filtered by the filter from nozzles, a liquid ejecting portion holding portion replaceably holding the liquid ejecting portion, a liquid supply flow channel coupled to the liquid ejecting portion so as to supply the liquid to the liquid ejecting portion, a flow mechanism configured to flow the liquid, and a control portion configured to drive the flow mechanism to cause the liquid to flow in the liquid supply flow channel toward the liquid ejecting portion in replacement of the liquid ejecting portion. 1. A liquid ejecting apparatus comprising:a liquid ejecting portion having a filter configured to filter a supplied liquid and eject the liquid filtered by the filter from nozzles;a liquid ejecting portion holding portion replaceably holding the liquid ejecting portion;a liquid supply flow channel coupled to the liquid ejecting portion so as to supply the liquid to the liquid ejecting portion;a liquid return flow channel coupled to the liquid ejecting portion, the liquid return flow channel constituting a circulation flow channel together with the liquid supply flow channel;a flow mechanism configured to flow the liquid in the circulation flow channel; anda control portion configured to drive the flow mechanism to cause the liquid to flow in the liquid supply flow channel toward the liquid ejecting portion in replacement of the liquid ejecting portion.2. The liquid ejecting apparatus according to claim 1 , further comprising:a storage portion configured to store the liquid, the storage portion being coupled to the liquid supply flow channel and the liquid return flow channel to constitute the circulation flow channel; anda stirring mechanism configured to stir the liquid in the storage portion, whereinin the replacement of the liquid ejecting portion, the control portion drives the stirring mechanism to cause the stirred liquid in ...

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Номер записи: 59
07-01-2021 дата публикации

LIQUID DISCHARGING APPARATUS AND WIRING MEMBER

Номер: US20210001632A1
Автор: KAKIUCHI Toru
Принадлежит:

A liquid discharging apparatus includes: liquid discharging modules which are arranged in a first direction along a predetermined plane; and a wiring member commonly joined to the liquid discharging modules. The wiring member includes: first parts joined to the liquid discharging modules, respectively, in a state that the first parts are arranged side by side in the first direction along the predetermined plane; second parts; and a sixth part. The second parts include: third parts extending from the first parts, respectively, in a second direction orthogonal to the first direction and along the predetermined plane, fourth parts extending in a third direction away from the predetermined plane, and fifth parts connected to the third parts and the fourth parts, respectively. Width in the first direction of each of the second parts is smaller than width in the first direction of the sixth part. 1. A liquid discharging apparatus comprising:head units arranged in a first direction along a predetermined plane; andflexible wiring boards drawn from the head units respectively toward a second direction orthogonal to the first direction and along the predetermined plane,wherein each of the head units includes an IC,each of the head unit has an outer shape that is a parallelogram and that is not a rectangle,each of the flexible wiring boards is joined to only one side of corresponding one of the head units, in a state of being bent toward a third direction away from the predetermined plane, andeach of the flexible wiring boards is not joined to the other sides of the corresponding one of the head units.2. The liquid discharging apparatus according to claim 1 , wherein each of the flexible wiring boards includes a driving signal wiring through which a driving signal is supplied to the corresponding one of the head units.3. The liquid discharging apparatus according to claim 1 , wherein each of the flexible wiring boards includes a constant potential wiring through which a ...

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Номер записи: 60
07-01-2021 дата публикации

HEAD MODULE, HEAD DEVICE, AND LIQUID DISCHARGE APPARATUS

Номер: US20210001652A1
Автор: Kinokuni Takashi, Miyazaki Takeshi
Принадлежит:

A head module includes: a plurality of heads, a base on which the plurality of heads is arrayed in a head array direction, a plurality of individual heatsinks respectively attached to the plurality of heads, and a common heatsink standing on the base, the common heatsink including a connector thermally connected to each of the plurality of individual heatsinks. The connector of the common heatsink is along the head array direction and is adjacent to each of the plurality of individual heatsinks in a direction perpendicular to the head array direction. 1. A head module comprising:a plurality of heads;a base on which the plurality of heads is arrayed in a head array direction;a plurality of individual heatsinks respectively attached to the plurality of heads; anda common heatsink standing on the base, the common heatsink including a connector thermally connected to each of the plurality of individual heatsinks,wherein the connector of the common heatsink is along the head array direction and is adjacent to each of the plurality of individual heatsinks in a direction perpendicular to the head array direction.2. The head module according to claim 1 , further comprising:a heat conductor having viscosity and thermally connecting the connector of the common heatsink and one of the plurality of individual heatsinks.3. The head module according to claim 2 ,wherein each of the plurality of heads includes a wiring mounting a drive integrated circuit,each of the plurality of individual heatsinks includes a main surface contacting the drive integrated circuit and a side surface bent from an end of the main surface, andthe heat conductor thermally connects the connector of the common heatsink and the side surface of one of the plurality of individual heatsinks.4. The head module according to claim 1 , further comprising:a heat conductor having elasticity and thermally connecting the connector of the common heatsink and one of the plurality of individual heatsinks.5. The head ...

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Номер записи: 61
07-01-2016 дата публикации

MOLDED PRINT BAR

Номер: US20160001552A1
Автор: Chen Chien-Hua, Choy Silam J., Cumbie Michael W.
Принадлежит: Hewlett-Packard Development Company, L.P.

In one example, a print bar includes multiple printhead dies molded into an elongated, monolithic body. The dies are arranged generally end to end along a length of the body and the body has a channel therein through which fluid may pass directly to the dies. 1. A print bar , comprising multiple printhead dies molded into an elongated , monolithic body , the dies arranged generally end to end along a length of the body and the body having a channel therein through which fluid may pass directly to the dies.2. The print bar of claim 1 , wherein each die comprises a thin die.3. The print bar of claim 2 , wherein each thin die comprises a die sliver.4. The print bar of claim 3 , wherein each die includes:multiple holes connected to the channel such that printing fluid can flow from the channel directly into the holes;a manifold connected to the holes such that printing fluid can flow from the holes directly into the manifold; andmultiple ejection chambers connected to the manifold such that printing fluid can flow from the manifold into the ejection chambers.5. The print bar of claim 4 , wherein:each hole is tapered from a broader part at the channel to a narrower part at the manifold; andthe channel is molded into the body and tapered from a broader part away from the holes to a narrower part at the holes.6. The print bar of claim 3 , wherein:the die slivers are arranged in rows across the length of the body in a staggered configuration in which the die slivers in each row overlap another die sliver in that row; andthe channel includes multiple channels each allowing fluid to pass directly to one or more of the die slivers.7. The print bar of claim 6 , wherein:each die sliver includes a front with orifices through which fluid may be dispensed from the die sliver, a back opposite the front, and sides between the front and back; anda channel is located along at least one side of each die sliver.8. The print bar of claim 6 , wherein:each die sliver includes a front with ...

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Номер записи: 62
07-01-2016 дата публикации

PRINTHEAD ASSEMBLY WITH FLUID INTERCONNECT COVER

Номер: US20160001553A1
Автор: DeVries Mark A., WILSON RHONDA L.
Принадлежит: Hewlett-Packard Development Company, L.P.

In one example implementation, a printhead assembly includes a fluid intake section, a fluid interconnect integrated with the fluid intake section to receive fluid from an ink supply assembly, and an air-permeable, fluid-resistant, fluid interconnect cover installed over the fluid interconnect. 1. A printhead assembly comprising:a fluid intake section;a fluid interconnect integrated with the fluid intake section to receive fluid from an ink supply assembly; andan air-permeable, fluid-resistant, fluid interconnect cover installed over the fluid interconnect.2. A printhead assembly as in claim 1 , wherein the fluid interconnect cover comprises an air-permeable claim 1 , fluid-resistant claim 1 , fluid interconnect plug.3. A printhead assembly as in claim 2 , wherein the fluid interconnect plug comprises:a bladder section with walls enclosing an interior bladder cavity, the walls to retain fluid that escapes from the fluid interconnect and enable air to diffuse into the interior bladder cavity; anda neck section with an interior neck cavity to form a fluidic seal around the fluid interconnect.4. A printhead assembly as in claim 3 , wherein the interior neck cavity comprises a pinch section to form the fluidic seal around the fluid interconnect and prevent fluid from escaping the fluid interconnect plug.5. A printhead assembly as in claim 3 , wherein the interior bladder cavity has a diameter greater than a diameter of the interior neck cavity.6. A printhead assembly as in claim 2 , wherein the fluid interconnect plug is formed of an air-permeable claim 2 , fluid-resistant material selected from the group consisting of polyisoprene claim 2 , santoprene claim 2 , silicone claim 2 , EPDM (ethylene propylene diene monomer (M-class) rubber) claim 2 , polyethelene claim 2 , Teflon claim 2 , Gor-Tex claim 2 , polyvinylidene fluoride claim 2 , and combinations thereof.7. A printhead assembly as in claim 3 , wherein the bladder section is formed of a compliant material that ...

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Номер записи: 63
07-01-2016 дата публикации

MOLDED PRINTHEAD

Номер: US20160001554A1
Автор: Chen Chien-Hua, Cumbie Michael W.
Принадлежит: Hewlett-Packard Development Company, L.P.

In one example, a molded printhead includes a printhead die in a molding having a channel therein through which fluid may pass directly to a back part of the die. The front part of the die is exposed outside the molding surrounding the die. Electrical connections are made between terminals at the front part of the die and contacts to connect to circuitry external to the printhead. 1. A printhead , comprising:a printhead die having a front part along which fluid may be dispensed from the die, the die molded into a molding having a channel therein through which fluid may pass directly to a back part of the die, the front part of the die exposed outside the molding and a back part of the die covered by the molding except at the channel;electrical contacts to connect to circuitry external to the printhead; andelectrical connections between terminals at the front part of the die and the contacts.2. The printhead of claim 1 , wherein the exposed front part of the die is co-planar with a surface of the molding surrounding the die.3. The printhead of claim 1 , wherein the electrical connections include conductors along the surface of the molding.4. The printhead of claim 1 , further comprising a printed circuit board molded into the molding and wherein the electrical connections include conductors in the printed circuit board.5. The printhead of claim 4 , wherein the contacts are part of a tape automated bond circuit.6. The printhead of claim 4 , wherein each connection includes a bond wire connecting a terminal on the printhead die to a conductor in the printed circuit board.7. The printhead of claim 4 , wherein the printed circuit board surrounds the die.8. The printhead of claim 1 , further comprising a tape automated bond circuit affixed to the molding and wherein the multiple contacts are part of the tape automated bond circuit and the electrical connections include conductors in the tape automated bond circuit.9. The printhead of claim 8 , wherein each terminal is ...

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Номер записи: 64
07-01-2016 дата публикации

FLUID DISPENSER

Номер: US20160001555A1
Автор: Choy Silam J., Clark Garrett E., Friesen Ed, Rivas Rio, Ronk Kelly
Принадлежит:

A fluid dispenser is disclosed herein. An example of such a fluid dispenser includes a member configured to define a plurality of orifices through which a fluid is ejected and a manifold including a plurality of fluid passageways each of which is configured to have a different angle relative to the member. This example of a fluid dispenser additionally includes a plurality of slots each of which is coupled to a different one of the fluid passageways of the manifold to conduct the fluid from the fluid passageways towards the orifices. Additional features and modifications of this fluid dispenser are disclosed herein, as are other examples of fluid dispensers. 1. A fluid dispenser , comprising:a member including a first surface and a second surface, a first fluid chamber and a second fluid chamber, and a first orifice and a second orifice, the first orifice being in fluid communication with the first fluid chamber, the second orifice being in fluid communication with the second fluid chamber, the first orifice and the second orifice configured to eject fluid;a substrate including a first surface and a second surface and further including a slot, the first surface of the substrate being coupled to the second surface of the member such that the slot is in fluid communication with the first fluid chamber and the second fluid chamber, the slot having a first cross-sectional width along the first surface of the substrate and a second cross-sectional width along the second surface of the substrate;a manifold including a first surface and a second surface and further including a fluid passageway, the first surface of the manifold being coupled to the second surface of the substrate such that the fluid passageway is in fluid communication with the slot, the fluid passageway having a first cross-sectional width along the first surface of the manifold and a second cross-sectional width along the second surface of the manifold; anda fluid container coupled to the manifold such ...

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Номер записи: 65
07-01-2016 дата публикации

Molded printhead

Номер: US20160001558A1
Автор: Chien-Hua Chen, Michael W. Cumbie
Принадлежит: Hewlett Packard Development Co LP

In one example, a molded printhead includes a printhead die embedded in a molding and an external electrical contact electrically connected to the printhead die and exposed outside the molding to connect to circuitry external to the printhead. The molding has a channel therein through which fluid may pass to the back part of the die. The front part of the die is exposed outside the molding and the back part of the die is covered by the molding except at the channel and the thickness of the molding varies from a lesser thickness around the die to a greater thickness away from the die.

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Номер записи: 66
04-01-2018 дата публикации

RESIN MOLDING METHOD

Номер: US20180001527A1
Автор: Amma Hiromasa, Iijima Yasushi, Iwano Takuya, Kimura Satoshi, OIKAWA Satoshi, Toda Kyosuke, Tsujiuchi Naoko, Umeyama Mikiya, Yamaguchi Yukuo
Принадлежит:

A resin molding method includes a first molding step of molding a first molded part and a second molded part in a mold and a second molding step of joining the first molded part and the second molded part. In the first molding step, the second molded part is formed by injecting resin into an area where a first core movable in the first direction and a second core movable in a second direction are engaged. In the second molding step, the second molded part is joined to the first molded part by injecting the resin while the first core is in contact with the second molded part and the second core is removed from the second molded part. Areas where the first core and the second core are located in the first molding step become hollow areas connected to each other and part of ends of the first core in the first direction is not in contact with the second core. 1. A resin molding method comprising:a first molding step of molding a first molded part and a second molded part in different positions in a mold by injecting resin into the mold; anda second molding step of joining the first molded part and the second molded part to form a resin molded article by engaging the first molded part and the second molded part in a first direction inside the mold and injecting resin into engaged portions,wherein in the first molding step, the second molded part is formed by injecting resin into an area where a first core movable in the first direction and a second core movable in a second direction intersecting with the first direction are engaged,in the second molding step, the second molded part is joined to the first molded part by injecting the resin while the first core is in contact with the second molded part and the second core is removed from the second molded part,areas where the first core and the second core are located in the first molding step become hollow areas connected to each other by removing the first core and the second core from the second molded part, andin the ...

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Номер записи: 67
02-01-2020 дата публикации

SYSTEM AND METHOD FOR DEPOSITING LIQUIDS

Номер: US20200001535A1
Автор: Aknin Moshe, Brusilovski Gregory, TEKEN Avraham
Принадлежит: Stratasys Ltd.

A printing head for a printing system is disclosed. The printing head comprises a plurality of compartments, each having an outlet port for depositing liquid and an inlet port separately connectable to a separate liquid container. At least two compartments are in controllable fluid communication with each other, and the printing head comprises an arrangement of sensors configured for generating signals indicative of (i) a filling state of each compartment, and (ii) a fluid communication state between the at least two compartments. 1. A printing system , comprising:a printing head having a plurality of compartments, each having an inlet port and an outlet port, wherein at least two compartments are in controllable fluid communication with each other;a plurality of liquid containers external to said printing head, each constituted for feeding one of said compartments with liquid via a respective inlet port; anda controller having a circuit configured for controlling said controllable fluid communication while dispensing said liquid out of a respective outlet port of at least one of said compartments.2. The system according to claim 1 , wherein said at least two compartments occupy a chamber and are separated by at least a partition claim 1 , and wherein said fluid communication is via a liquid passage in said chamber.3. The system according to claim 2 , wherein said liquid passage is between an upper end of said partition and an upper wall of said chamber.4. The system according to claim 2 , wherein said partition is movable to form said liquid passage.5. The system according to claim 2 , wherein said liquid passage comprises a controllable inter-compartment valve.6. The system according to claim 1 , wherein said plurality of compartments comprises only two compartments.7. The system according to claim 1 , wherein said plurality of compartments comprises at least three compartments.8. The system according to claim 7 , wherein said controllable fluid communication ...

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Номер записи: 68
04-01-2018 дата публикации

LIQUID DISCHARGE HEAD SUBSTRATE, LIQUID DISCHARGE HEAD, AND RECORDING APPARATUS

Номер: US20180001632A1
Автор: Takagi Makoto
Принадлежит:

According to an aspect of the present disclosure, a liquid discharge head substrate includes a substrate having a parallelogram shape, a plurality of liquid discharge elements disposed on the substrate, a plurality of power supply terminals disposed along a first side of the substrate, and a first wiring, having a lattice shape, connected to the plurality of power supply terminals. On the substrate, the first side and a third side form an obtuse angle, and the first side and a fourth side form an acute angle. In the plurality of power supply terminals, the number of power supply terminals at positions closer to the third side than to the fourth side is larger than the number of power supply terminals at positions closer to the fourth side than to the third side. 1. A liquid discharge head substrate comprising:a substrate having at least a first side and a second side extending along a first direction, and a third side and a fourth side extending along a second direction intersecting with the first direction;a plurality of liquid discharge elements disposed on the substrate;a plurality of power supply terminals disposed along the first side of the substrate; anda first wiring, having a lattice shape, connected to the plurality of power supply terminals,wherein, on the substrate, the first and the third sides form an obtuse angle, and the first and the fourth sides form an acute angle, andwherein, in the plurality of power supply terminals, the number of power supply terminals at positions closer to the third side than to the fourth side is larger than the number of power supply terminals at positions closer to the fourth side than to the third side.2. The liquid discharge head substrate according to claim 1 , further comprising a second wiring claim 1 , having a lattice shape claim 1 , connected to at least one power supply terminal other than the plurality of power supply terminals claim 1 , and supplied with a potential different from a potential of the first ...

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Номер записи: 69
04-01-2018 дата публикации

INKJET PRINTHEAD ASSEMBLY HAVING PRINTHEAD CHIP CARRIERS RECEIVED IN SLOT

Номер: US20180001633A1
Автор: King Tobin Allen, Silverbrook Kia
Принадлежит:

A printhead is provided having an elongate support having a plurality of internal webs protruding from a base section to define a plurality of parallel fluid supply channels, a shim supported by the support and defining a plurality of rows of openings through which fluid from respective supply channels is supplied, and a plurality of elongate printhead modules supported serially on the shim. Each module defines a plurality of fluid supply passages through which fluid passes to fluid ejection nozzles from respective rows of the openings. Either end of each module defines complementary formations such that adjacent modules nest together. 17-. (canceled)9. The inkjet printhead assembly of claim 8 , wherein the carrier inlet channels are tapered towards the ink delivery slots.10. The inkjet printhead assembly of claim 8 , wherein the support structure defines a recess for receiving the print modules.11. The inkjet printhead assembly of claim 8 , further comprising a shield plate covering external surfaces of the print modules claim 8 , wherein each printhead chip is exposed through a respective slot defined in the shield plate.12. The inkjet printhead assembly of claim 11 , wherein the shield plate is bonded to the external surfaces of the print modules.13. The inkjet printhead assembly of claim 11 , wherein the shield plate provides a seal around the printhead chips when the printhead chips are capped during idle periods.14. The inkjet printhead assembly of claim 8 , wherein each printhead chip carrier has a recess for mounting its respective printhead chip.15. The inkjet printhead assembly of claim 8 , wherein the printhead chip comprises a plurality of nozzle rows claim 8 , and wherein a first nozzle row receives ink from a first carrier inlet channel at a first side of the printhead chip carrier and a second nozzle row receives ink from a second carrier inlet channel at an opposite second side of the printhead chip carrier.17. The method of claim 16 , wherein the ...

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Номер записи: 70
04-01-2018 дата публикации

FLUID EJECTION APPARATUS WITH SINGLE POWER SUPPLY CONNECTOR

Номер: US20180001634A1
Автор: Fricke Peter James, Ghozeil Adam L., Maxfield David
Принадлежит: Hewlett-Packard Development Company, L.P.

An example provides a fluid ejection apparatus including a fluid feed slot along a length of a print head die of the fluid ejection apparatus to supply a fluid to a plurality of drop ejectors, control circuitry adjacent to at least one side of the fluid feed slot to control ejection of drops of fluid from the plurality of drop ejectors, and a single power supply connector at an end of the print head die to supply power to the control circuitry. 1. A fluid ejection apparatus comprising:a fluid feed structure along a length of a print head die of the fluid ejection apparatus to supply a fluid to a plurality of drop ejectors;control circuitry adjacent to at least one side of the fluid feed structure to control ejection of drops of fluid from the plurality of drop ejectors, the control circuitry comprising logic for controlling individual or sets of the drop ejectors;a single power supply connector at a first end of the print head die to supply power to the control circuitry; anda ground connector at a second end, opposite the first end, of the print head die to connect the control circuitry to ground.2. The apparatus of claim 1 , wherein the ground connector is a first ground connector claim 1 , and wherein the fluid ejection apparatus comprises a second ground connector for the control circuitry at the first end of the print head die.3. The apparatus of claim 1 , wherein the ground connector is a single ground connector for the control circuitry.4. The apparatus of claim 1 , wherein the fluid feed slot extends between the first end and second end of the print head die.5. The apparatus of claim 1 , wherein the fluid feed structure comprises a first fluid feed slot and the plurality of drop ejectors is a first plurality of drop ejectors.6. The apparatus of claim 5 , wherein the apparatus comprises a second fluid feed slot parallel to the first fluid feed slot along the length of the print head die to supply the fluid to a second plurality of drop ejectors.7. The ...

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Номер записи: 71
04-01-2018 дата публикации

LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS

Номер: US20180001635A1
Автор: NAGANUMA Yoichi, TOMIMATSU Shingo
Принадлежит:

A liquid ejecting head includes a pressure chamber formation substrate provided with pressure chambers that are disposed side by side and that communicate with nozzles that discharge a liquid, a nozzle plate provided with the nozzles, and a flow path formation substrate provided between the pressure chamber formation substrate and the nozzle plate. The flow path formation substrate has a plurality of individual communication paths that supply the liquid to the pressure chambers disposed side by side, a common liquid chamber that communicates with the pressure chambers, a liquid introduction port that introduces the liquid into the common liquid chamber, and a flow path of the liquid from the liquid introduction port toward the individual communication paths. The flow path formation substrate has a thick wall portion and a thin wall portion that are located at a pressure chamber formation substrate side of the common liquid chamber and that have a relatively large substrate thickness and a relatively small substrate thickness, respectively. The thick wall portion causes area of a cross-section of the flow path taken along a thickness direction of the flow path formation substrate to be smaller at an individual communication path side than at a liquid introduction port side. The thick wall portion includes a first inclined portion that, in a plan view from the nozzle plate side, is inclined from the liquid introduction port side toward at least one end side of two end sides of the plurality of individual communication paths in a side-by-side direction in which the pressure chambers are provided side by side and along which the individual communication paths are provided. 1. A liquid ejecting head comprising:a pressure chamber formation substrate provided with pressure chambers that are disposed side by side and that communicate with nozzles that discharge a liquid;a nozzle plate provided with the nozzles; anda flow path formation substrate provided between the ...

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Номер записи: 72
04-01-2018 дата публикации

LIQUID EJECTION APPARATUS

Номер: US20180001638A1
Автор: ITO Yuichi, KAKIUCHI Toru, KATO Yasuo, Wang Rui
Принадлежит: BROTHER KOGYO KABUSHIKI KAISHA

A liquid ejection apparatus, including: first piezoelectric elements arranged on an element-disposed surface in a first direction; a protective cover covering the first piezoelectric elements and including a top wall portion and two side wall portions connected thereto; first wires drawn respectively from the first piezoelectric elements to an outside of the protective cover in a second direction parallel to the element-disposed surface and orthogonal to the first direction and extending on an outer surface of the top wall portion via an outer surface of a corresponding side wall portion; first terminals disposed on the outer surface of the top wall portion and connected respectively to the first wires; and a driver electrically connected to the first terminals, wherein a distance in the first direction between any adjacent two of the first wires on an outer surface of the protective cover is larger than that on the element-disposed surface. 1. A liquid ejection apparatus , comprising:a plurality of first piezoelectric elements disposed on an element-disposed surface of a flow-passage defining member so as to be arranged in a first direction;a protective cover disposed on the element-disposed surface so as to cover the first piezoelectric elements and including a top wall portion opposed to the first piezoelectric elements and two side wall portions connected respectively to opposite end portions of the top wall portion in a second direction parallel to the element-disposed surface and orthogonal to the first direction;a plurality of first wires drawn respectively from first piezoelectric elements to an outside of the protective cover in the second direction and extending on an outer surface of the top wall portion of the protective cover via an outer surface of a corresponding one of the side wall portions;a plurality of first terminals disposed on the outer surface of the top wall portion and connected respectively to the first wires; anda driver electrically ...

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Номер записи: 73
04-01-2018 дата публикации

MEMS DEVICE, HEAD AND LIQUID JET DEVICE

Номер: US20180001639A1
Автор: TANAKA Shuichi
Принадлежит:

Provided are an MEMS device, a head, and a liquid jet device in which substrates are inhibited from warping, so that a primary electrode and a secondary electrode can be reliably connected to each other. Included are a primary substrate provided with a bump including a primary electrode and a secondary substrate provided with a secondary electrode on a bottom surface of a recessed portion formed by an adhesive layer The primary substrate and the secondary substrate are joined together with the adhesive layer the primary electrode is electrically connected to the secondary electrode with the bump inserted into the recessed portion and part of the bump and the adhesive layer forming the recessed portion overlap each other in a direction in which the bump is inserted into the recessed portion 1. An MEMS device comprising:a primary substrate provided with a bump including a primary electrode; anda secondary substrate provided with a secondary electrode on a bottom surface of a recessed portion formed by an adhesive layer, wherein the primary substrate and the secondary substrate are joined together with the adhesive layer,the primary electrode is electrically connected to the secondary electrode with the bump inserted into the recessed portion, andpart of the bump and the adhesive layer forming the recessed portion overlap each other in a direction in which the bump is inserted into the recessed portion.2. The MEMS device according to claim 1 , wherein the bump includes an elastic core portion claim 1 , and a metal film provided on a surface of the core portion.3. The MEMS device according to claim 2 , wherein the primary substrate is provided with a plurality of the primary electrodes claim 2 ,the core portion of the bump is provided independently for each of the primary electrodes, andthe adhesive layer is provided between each pair of the core portions adjacent to each other.4. The MEMS device according to any one of to claim 2 , wherein the adhesive layer is made of ...

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Номер записи: 74
02-01-2020 дата публикации

LIQUID EJECTING HEAD, LIQUID EJECTING APPARATUS, AND MANUFACTURING METHOD THEREOF

Номер: US20200001601A1
Автор: FUKUDA Shunya, Fukuzawa Yuma, MIYAGISHI Akira, SANO Junichi, TAKABE Motoki, Watanabe Shunsuke
Принадлежит:

A flow path formation substrate to which a nozzle plate is mounted includes a pressure chamber per nozzle, an individual supply path leading to the pressure chamber, an individual recovery path communicating with a flow channel near the nozzle. A conduction unit electrically coupled through a lead electrode to a pressure generator causing a pressure of the pressure chamber to vary is located at a position where the conduction unit overlaps with a flow path area of at least one individual flow path of the individual supply path or the individual recovery path in a plan view from a lamination direction in which the nozzle plate and the flow path formation substrate are laminated. 1. A liquid ejecting head having a plurality of nozzles ejecting a liquid , the liquid ejecting head comprising:a nozzle plate having a plurality of the nozzles;a flow path formation substrate having a shared supply path shared in liquid supply to the plurality of nozzles, an individual supply path branching off from the shared supply path and leading to a pressure chamber per nozzle, an individual recovery path through which the nozzle and the pressure chamber communicate with each other, and a shared recovery path into which the plurality of individual recovery paths merge and which is shared in liquid recovery from the plurality of nozzles; anda lead electrode electrically coupled to a pressure generator causing pressure of the pressure chamber to vary, whereina conduction unit contacting with the lead electrode and supplying a signal to the pressure generator through the lead electrode is located at a position where the conduction unit overlaps with a flow path area of at least one individual flow path of the individual supply path or the individual recovery path in a plan view from a lamination direction in which the nozzle plate and the flow path formation substrate are laminated.2. A liquid ejecting head having a plurality of nozzles ejecting a liquid , the liquid ejecting head ...

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Номер записи: 75
02-01-2020 дата публикации

LIQUID EJECTION HEAD AND LIQUID EJECTION APPARATUS

Номер: US20200001602A1
Автор: FUKUDA Shunya, Fukuzawa Yuma, MURAYAMA Toshiro, OKAZAWA Noriaki, Uchida Kazuaki, Watanabe Shunsuke
Принадлежит:

A liquid ejection head includes a flow path substrate, a first plate having a nozzle, and a second plate. A flow path substrate includes a first communication path which passes through a flow path substrate in a thickness direction and has an opening on each of a first plate side and a second plate side, and a second communication path communicating with an opening on a first plate side of a first communication path at a first plate side and extending on the second plate side. A pressure chamber communicating with a first communication path and a first flow path through which a liquid flows into a pressure chamber are formed by a part of a second plate and a part of a flow path substrate. 1. A liquid ejection head for ejecting a liquid comprising:a flow path substrate through which a liquid flows; anda first plate and a second plate attached to locations facing each other and interposing the flow path substrate therebetween, whereinthe first plate includes a nozzle,the second plate includes a pressure chamber for generating a fluid pressure fluctuation,the nozzle and the pressure chamber communicate with each other through a first communication path which is a passing-through portion provided in the flow path substrate, andthe first plate and the second plate close an opening of the passing-through portion provided in the flow path substrate separately from the passing-through portion configuring the first communication path, thereby, configuring a second communication path communicating with the first communication path.2. The liquid ejection head according to claim 1 , wherein a plurality of sets of liquid ejection portions are provided claim 1 , each including the pressure chamber claim 1 , the first communication path claim 1 , the nozzle claim 1 , and the second communication path.3. The liquid ejection head according to claim 2 , whereinthe flow path substrate includes a first common flow path communicating with each of first flow paths of the plurality of ...

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Номер записи: 76
02-01-2020 дата публикации

LIQUID EJECTION HEAD AND METHOD OF MANUFACTURING SAME

Номер: US20200001604A1
Автор: Hatsui Takuya, Kato Masataka, Nakakubo Toru, TAKAHASHI Tomohiro, Takeuchi Souta, Uyama Masaya
Принадлежит:

A liquid ejection head includes an ejection port member that includes an ejection port that ejects a liquid, an energy generating element that generates energy for ejecting the liquid from the ejection port, a terminal electrically connected to the energy generating element, and a substrate portion that supports the ejection port member, the energy generating element, and the terminal. The terminal is connected to a wire member that supplies electric power that drives the energy generating element to the energy generating element, the substrate portion includes a hole portion formed from a surface of the substrate portion on a side opposite to a surface of the substrate portion on which the terminal is provided to a surface where the terminal is exposed, and an area of the surface where the terminal is exposed is smaller than an area of an opening of the hole portion. 1. A liquid ejection head comprising:an ejection port member that includes an ejection port that ejects a liquid;an energy generating element that generates energy for ejecting the liquid from the ejection port;a terminal electrically connected to the energy generating element; anda substrate portion that supports the ejection port member, the energy generating element, and the terminal,wherein the terminal is connected to a wire member that supplies electric power that drives the energy generating element to the energy generating element,wherein the substrate portion includes a hole portion formed from a surface of the substrate portion on a side opposite to a surface of the substrate portion on which the terminal is provided to a surface where the terminal is exposed, andwherein an area of the surface where the terminal is exposed is smaller than an area of an opening of the hole portion.2. The liquid ejection head according to claim 1 ,wherein the hole portion includes three or more portions that have areas of different sizes in a direction orthogonal to a depth direction of the hole portion.3. The ...

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Номер записи: 77
02-01-2020 дата публикации

SEMICONDUCTOR ELEMENT, RECORDING ELEMENT SUBSTRATE, AND LIQUID DISCHARGE HEAD

Номер: US20200001605A1
Автор: Hatsui Takuya, Kato Masataka, Nakakubo Toru, TAKAHASHI Tomohiro, Takeuchi Souta, Uyama Masaya
Принадлежит:

A semiconductor element includes an insulation layer and a pad portion for electrical connection to an external portion by wire bonding. The insulation layer includes a plurality of projections projecting from a main surface of the insulation layer. The pad portion is disposed on an upper surface of each of the projections without extending beyond the upper surface of the projection on which the pad portion is formed. 1. A semiconductor element comprising:an insulation layer; anda pad portion for electrical connection to an external portion by wire bonding,wherein the insulation layer includes a plurality of projections projecting from a main surface thereof, andwherein the pad portion is disposed on an upper surface of each of the projections without extending beyond the upper surface of the projection on which the pad portion is formed.2. The semiconductor element according to claim 1 , further comprising a base portion on and in contact with the insulation layer claim 1 , the base having a through hole exposing the main surface of the insulation layer claim 1 , wherein the projections are disposed on the main surface exposed by the through hole.3. The semiconductor element according to claim 1 , wherein each of the projections has a width that decreases in a direction from the main surface toward the upper surface.4. The semiconductor element according to claim 1 , wherein a height of each of the projections is greater than a height of a wire-bonding ball.5. The semiconductor element according to claim 1 , further comprising an etching stop layer at a region adjacent to the projections of the main surface of the insulation layer.6. The semiconductor element according to claim 1 , wherein the insulation layer is an oxide film or a nitride film.7. A recording element substrate comprising:a discharge-port forming member including a discharge port perforating therethrough for discharging liquid; an energy generating element configured to generate energy for ...

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Номер записи: 78
03-01-2019 дата публикации

LIQUID EJECTION HEAD

Номер: US20190001674A1
Автор: Amma Hiromasa, Hirosawa Toshiaki, Inada Genji, Ishimatsu Shin, Iwano Takuya, Kawamura Shogo, Osaki Yasuhiko
Принадлежит:

The liquid ejection head includes an element substrate including an energy-generating element that applies ejection energy to liquid, a first electric wiring board electrically connected to the element substrate and a second electric wiring board on which an integrated circuit element is mounted and which is electrically connected to the first electric wiring board An electric signal is supplied to the integrated circuit element mounted on the second electric wiring board through the first electric wiring board processed by the integrated circuit element and supplied to the energy-generating element through the second electric wiring board and the first electric wiring board 1. A liquid ejection head comprising:an element substrate including an energy-generating element that applies energy for ejecting liquid;a first electric wiring board electrically connected to the element substrate; anda second electric wiring board on which an integrated circuit element is mounted, the second electric wiring board being electrically connected to the first electric wiring board, whereinan electric signal is supplied to the integrated circuit element mounted on the second electric wiring board through the first electric wiring board, the electric signal is processed by the integrated circuit element, and the electric signal is supplied to the energy-generating element through the second electric wiring board and the first electric wiring board.2. The liquid ejection head according to claim 1 , wherein the second electric wiring board is further away from the element substrate than the first electric wiring board.3. The liquid ejection head according to claim 1 , wherein the element substrates claim 1 , the first electric wiring board claim 1 , and the second electric wiring board form part of a heat conduction path made of a solid medium which is continuously connected from the integrated circuit element to the element substrate claim 1 , and on the heat conduction path claim 1 , ...

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Номер записи: 79
03-01-2019 дата публикации

Liquid discharge head, recording apparatus, and method of manufacturing liquid discharge head

Номер: US20190001675A1
Автор: Atsunori Terasaki, Hiroshi Higuchi, Masataka Kato, Shuichi Tamatsukuri, Takayuki Kamimura, Toshiyasu Sakai
Принадлежит: Canon Inc

A liquid discharge head includes a substrate that is provided with. a supply passage having an opening; an energy generating element that is disposed on a surface of the substrate; an electric wiring layer; an insulation layer; and a discharge port member that forms a discharge port. The insulation layer has an end portion adjacent to the opening of the supply passage and set back from an edge of the opening of the supply passage toward a side where the energy generating element is disposed. The electric wiring layer includes a plurality of electric wiring layers layered on each other.

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Номер записи: 80
03-01-2019 дата публикации

ELEMENT BOARD, LIQUID EJECTION HEAD, AND PRINTING APPARATUS

Номер: US20190001680A1
Автор: MIURA Yosuke, Umeda Kengo, YAMAGUCHI Takaaki
Принадлежит:

There are provided an element board, a liquid ejection head, and a printing apparatus capable of suppressing decrease of the durability of the heating resistor elements. For that purpose, a group of driving electrode pads is shifted from the center of a column of electrode pads toward the side where a heating resistor element located farthest from the group of driving electrode pads exists. 1. An element board having a surface comprising:a plurality of ejection elements to be used to eject liquid from ejection ports; anda column of electrode terminals provided in proximity to a predetermined edge and having a plurality of electrode terminals arranged along the edge, the column of electrode terminals including at least one group of power source terminals having a plurality of power source terminals provided adjacent to each other along the edge and connected to the plurality of ejection elements to supply electric current to the ejection elements, whereinthe surface has a first region and a second region divided by a perpendicular bisector of the column of electrode terminals,the plurality of ejection elements in the first region include a first ejection element located farthest from an intersection of the column of electrode terminals and the perpendicular bisector,the plurality of ejection elements in the second region include a second ejection element located farthest from the intersection,a distance from the intersection to the first ejection element is longer than a distance from the intersection to the second ejection element, andthe at least one group of power source terminals is provided closer to the first region than to the second region.2. The element board according to claim 1 , wherein the surface is asymmetric with regard to the perpendicular bisector being an axis.3. The element board according to having a shape of a parallelogram with a long edge and a short edge claim 2 , the shape being point-symmetric.4. The element board according to claim 1 , ...

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Номер записи: 81
03-01-2019 дата публикации

NOZZLE PLATE, LIQUID EJECTION HEAD USING SAME, AND RECORDING DEVICE

Номер: US20190001682A1
Автор: SONOBATA Hidetaka
Принадлежит: KYOCERA CORPORATION

A nozzle plate includes a first surface, a second surface opposite the first surface, and a plurality of through holes which penetrate through the plate from the first surface to the second surface and become nozzles. Each of the through holes includes, on at least the first surface side forming the side where the liquid is ejected, an inversely tapered part having a cross-sectional area becoming larger toward the first surface. The first surface includes a first region and a second region which is not superimposed on the first region. A first through hole of one the through holes is arranged in the first region, a second through hole of one the through holes is arranged in the second region. When viewed from the first surface the width of the inversely tapered part in the first through hole is larger than the inversely tapered part in the second through hole. 1. A nozzle plate comprising: at least one first region; and', 'at least one second region which is not superimposed on the first region;, 'a first surface from which the liquid is ejected, comprisinga second surface on the opposite side to the first surface; and at least one first through hole disposed in the at least one first region; and', 'at least one second through hole disposed in the at least one second region, wherein, 'a plurality of through holes which penetrate through the plate from the first surface to the second surface and become nozzles, comprisingeach of the through holes comprises an inversely tapered part where a cross sectional area increases toward the first surface, on at least the first surface sidethe width T of the at least one first through hole is larger than the width T of the at least one second through hole, where the width of the inversely tapered part when viewed from the first surface side is defined as “T”, anda first thickness from the first region to the second surface is thinner than a second thicknesses from the second region to the second surface.2. The nozzle plate ...

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Номер записи: 82
03-01-2019 дата публикации

PRINT HEAD SENSING CHAMBER CIRCULATION

Номер: US20190001695A1
Автор: Connolly Raymond, Ghozeil Adam L., GOVYADINOV Alexander, Leonard Patrick, Ng Boon Bing
Принадлежит: Hewlett-Packard Development Company, L.P.

A print head has a fluid slot and a sensing chamber having a first port connected to the fluid slot and a second port. The sensing chamber contains an ink level sensor. A circulation passage extends from the fluid slot and is fluidly coupled to the second port. A fluid pump circulates fluid through the circulation passage. 1. An apparatus comprises:a print head having a fluid slot and a sensing chamber having a first port connected to the fluid slot and a second port;a drop generator comprising a diaphragm and a piezoelectric member to deflect the diaphragm, the drop generator being fluidly coupled to the fluid slot to receive fluid from the fluid slot;a fluid level sensor within the sensing chamber;a circulation passage extending from the fluid slot and fluidly coupled to the second port; anda fluid pump comprising to circulate fluid through the circulation passage.2. The apparatus of claim 1 , wherein the fluid pump comprises a resistor to vaporize fluid to pump adjacent fluid.3. The apparatus of claim 1 , wherein the ink level sensor comprises a sensor nozzle and a second drop generator for controllably expelling fluid within the sensing chamber through the sensor nozzle.4. The apparatus of claim 3 , wherein the second drop generator comprises a resistor to vaporize fluid within the sensing chamber to expel fluid within the sensing chamber through the sensor nozzle.5. The apparatus of claim 3 , wherein the second drop generator comprises a second diaphragm and a second piezoelectric member to deflect the second diaphragm to expel fluid within the sensing chamber through the sensor nozzle.6. The apparatus of claim 1 , wherein the print head further comprises a series of printing nozzles claim 1 , wherein the circulation passage extends between the series of printing nozzles and the sensing chamber.7. The apparatus of claim 1 , where the print head further comprises a series of printing nozzles on a first side of the sensing chamber claim 1 , wherein the ...

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Номер записи: 83
03-01-2019 дата публикации

LIQUID EJECTING MODULE

Номер: US20190001699A1
Автор: Nakagawa Yoshiyuki, Nakakubo Toru, Yamada Kazuhiro, Yamazaki Takuro
Принадлежит:

The present invention provides a liquid ejecting module capable of performing stable ejection operation while circulating and supplying fresh ink to the vicinity of ejection ports arranged in high density. To achieve this, a liquid ejecting module includes an element arranged face in which a plurality of ejecting elements are arranged, a circulation flow path including a supply flow path which supplies liquid to a pressure chamber and a collection flow path which collects liquid from the pressure chamber, and a liquid delivery mechanism provided in the circulation flow path for circulating liquid in the pressure chamber. The liquid delivery mechanism is located lower than the element arranged face. 2. The liquid ejecting module according to claim 1 , wherein the liquid delivery mechanism is claim 1 , in a case where the liquid ejecting module is viewed from a side opposing the ejection port claim 1 , disposed at an area that overlaps with an area where the plurality of ejecting elements are arranged on the element arranged face.3. The liquid ejecting module according to claim 1 , whereinthe circulation flow path further includes a connection flow path which connects the collection flow path and the supply flow path and which is not via the pressure chamber, andthe liquid delivery mechanism is provided in the connection flow path to make liquid flow from the collection flow path to the supply flow path.4. The liquid ejecting module according to claim 3 , whereinthe liquid delivery mechanism is provided on a second substrate which differs from a first substrate on which the energy generating element is formed at a position facing a rear face of a face of the first substrate on which the energy generating element is formed.5. The liquid ejecting module according to claim 3 , whereinthe liquid delivery mechanism is provided on a first substrate on which the energy generating element is formed at a rear face of a face on which the energy generating element is formed.6. ...

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Номер записи: 84
13-01-2022 дата публикации

LIQUID EJECTION HEAD AND RECORDING APPARATUS

Номер: US20220009230A1
Автор: FURUZAWA Daiki, KAWAMATA Shuhei
Принадлежит: KYOCERA CORPORATION

A liquid ejection head includes a channel member, a pressurizing part, a cover member, and a sealing member. The channel member includes an ejection hole, a pressurizing chamber, an ejection hole surface, and a pressurizing chamber surface. The pressurizing chamber is connected with the ejection hole. The ejection hole surface is positioned on the ejection hole side. The pressurizing chamber surface is positioned on the pressurizing chamber side. The pressurizing part is positioned in a pressurizing region in the pressurizing chamber surface. The cover member stands on the channel member. The sealing member seals the cover member and the channel member. The channel member includes a groove positioned in the pressurizing chamber surface but outside the pressurizing region. The cover member is positioned in the groove. Further, the sealing member is positioned between a fixing portion in the cover member which is positioned in the groove and the groove. 1. A liquid ejection head comprising:a channel member comprising an ejection hole, a pressurizing chamber connected with the ejection hole, an ejection hole surface on an ejection hole side of the channel member, and a pressurizing chamber surface on a pressurizing chamber side of the channel member;a pressurizing part in a pressurizing region of the pressurizing chamber surface;a cover member positioned on the channel member, the cover member having a fixing portion; anda sealing member which seals the cover member and the channel member, whereinthe channel member comprises a groove located in the pressurizing chamber surface but outside the pressurizing region, the fixing portion is located in the groove, andthe sealing member is located between the fixing portion of the cover member and the groove.2. The liquid ejection head according to claim 1 , whereina clearance of the sealing member is located between the fixing portion and a lower surface of the groove.3. The liquid ejection head according to claim 1 , ...

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Номер записи: 85
04-01-2018 дата публикации

DEVICE HAVING AN ACTIVE CHANNEL REGION

Номер: US20180006020A1
Автор: Benjamin Trudy
Принадлежит:

In some examples, a transistor includes a drain, a channel, and a gate. The channel surrounds the drain and has a channel length to width ratio. The gate is over the channel to provide an active channel region that has an active channel region length to width ratio that is greater than the channel length to width ratio. 1. A transistor comprising:a substrate;a drain in the substrate;a source in the substrate;a channel between the drain and the source, the channel surrounding the drain and having a channel length to width ratio; anda gate over the channel to provide an active channel region that has an active channel region length to width ratio that is greater than the channel length to width ratio.2. The transistor of claim 1 , wherein the gate comprises polysilicon.3. The transistor of claim 1 , wherein the channel comprises a plurality of channel regions claim 1 , and the gate comprises a plurality of gate regions over respective channel regions of the plurality of channel regions.4. The transistor of claim 3 , further comprising a gate lead electrically contacted to the gate regions claim 3 , a drain lead electrically contacted to the drain claim 3 , and a source lead electrically contacted to the source claim 3 , the gate lead claim 3 , the drain lead claim 3 , and the source lead formed by a first metal layer.5. The transistor of claim 1 , wherein the gate is disposed over a first portion of the channel claim 1 , and is not disposed over a second portion of the channel claim 1 , wherein the active channel region is provided by the first portion claim 1 , and the inactive channel region is provided by the second portion.6. The transistor of claim 5 , further comprising a dielectric layer between the gate and the first portion of the channel.7. The transistor of claim 5 , wherein a width of the active channel region is less than a width of the channel.8. The transistor of claim 7 , wherein the width of the active channel region is defined by a width of the gate. ...

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Номер записи: 86
12-01-2017 дата публикации

PRINTBARS AND METHODS OF FORMING PRINTBARS

Номер: US20170008281A1
Автор: Chen Chien-Hua, Cumbie Michael W.
Принадлежит: Hewlett-Packard Development Company, L.P.

Printbar modules and methods of forming printbars are described. In an example, a printbar module includes a printed circuit board (PCB), adhesive material, a printhead die sliver, and a slot extending through the PCB and the adhesive material to the printhead die sliver. 1. A printbar module , comprising:a printed circuit board (PCB) including a recess that extends partially into the PCB. wherein the recess includes an adhesive material on a bottom surface of the recess:a printhead die sliver positioned in the recess; anda slot extending through the PCB and the adhesive material to the printhead die sliver.2. The printbar module of claim 1 , wherein the PCB does not include a prefabricated opening extending through the PCB.3. The printbar module of claim 1 , wherein the PCB includes a dam surrounding a perimeter of the recess.4. The printbar module of claim 3 , wherein a top surface of the printhead die sliver is co-planar with a top surface of the dam.5. The printbar module of claim 1 , wherein the recess is included in a plurality of recesses that each extend partially into the PCB but do not extend through the PCB.8. A printbar module claim 1 , comprising: a recess, including an adhesive material disposed on a bottom surface of the recess, the recess extending partially into the PCB but not through the PCB, and', 'a dam surrounding the recess;, 'a solid printed circuit board (PCB) that does not include an opening extending through the PCB, wherein the PCB includesa printhead die sliver positioned in the recess; anda slot extending through the PCB and a portion of the adhesive material to the printhead die sliver.76. The printbar module of claim claim 1 , wherein the printhead die sliver is positioned such that the adhesive material covers a bottom surface and at least a portion of a side surface of the printhead die sliver.86. The printbar module of claim claim 1 , wherein the adhesive material includes a continuous adhesive material disposed on the bottom ...

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Номер записи: 87
12-01-2017 дата публикации

BINARY ARRAY INKJET PRINTHEAD

Номер: US20170008283A1
Автор: DAVID HORSNELL, DOSWELL DAVID, HARRIS STEVEN, NIGEL SHERMAN, Smith Robert
Принадлежит:

A binary array ink jet printhead assembly includes a cavity for containing ink, nozzle orifices in fluid communication with the cavity for passing the ink from the cavity to form droplets, the nozzle orifices extending along a length of the cavity, and an electrode assembly. The electrode assembly includes a front face configured to be disposed generally parallel to a plurality of droplet paths of droplets from the nozzle orifices. A plurality of charge electrodes are disposed on the front face, each charge electrode corresponding to a droplet path and disposed parallel to the droplet path. Circuitry is disposed on the electrode assembly, wherein each electrode is electrically connected to the circuitry. The circuitry is further in electrical connection to a connector for connecting the electrode assembly to a controller for the printhead. 1. A binary array ink jet printhead assembly , comprising:a cavity for containing ink;nozzle orifices in fluid communication with the cavity for passing the ink from the cavity to form droplets, the nozzle orifices extending along a length of the cavity; and a front face configured to be disposed generally parallel to a plurality of droplet paths of droplets from the nozzle orifices;', 'a plurality of charge electrodes disposed on the front face, each charge electrode corresponding to a droplet path;', 'at least one sensor electrode disposed on the front face; and', 'circuitry disposed on the electrode assembly for providing drive signals to the plurality of charge electrodes, wherein each of the plurality of charge electrodes is electrically connected to the circuitry, the circuitry further in electrical connection to a connector for connecting the electrode assembly to a controller for the printhead., 'an electrode assembly comprising2. The printhead of wherein the plurality of charge electrodes disposed on the front face are oriented parallel to the droplet paths and the at least one sensor electrode disposed on the front face ...

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Номер записи: 88
12-01-2017 дата публикации

EJECTION DEVICE

Номер: US20170008305A1
Автор: Kobayashi Koichi
Принадлежит: FUNAI ELECTRIC CO., LTD.

An ejection device is provided, which is capable of restricting movement of an object so as to discharge droplets of a fluid to the object stably as well as suppressing generation of static electricity. The ejection device has a discharge part, discharging a droplet to an object; a base, electrically grounded; and a fixing mechanism, disposed on the base and fixing the object. The fixing mechanism includes an electrically conductive material and is electrically connected with the base. 1. An ejection device , comprising:a discharge part discharging a droplet to an object;a base electrically grounded; anda fixing mechanism disposed on the base and fixing the object,wherein the fixing mechanism includes an electrically conductive material and is electrically connected with the base.2. The ejection device according to claim 1 , wherein the fixing mechanism comprises a support part disposed on the base claim 1 , and a positioning part disposed on the support part and restricting movement of the object claim 1 , andthe support part and the positioning part are composed of an electrically conductive material.3. The ejection device according to claim 2 , wherein the positioning part comprises a body part disposed on the support part claim 2 , an urging member disposed in the body part claim 2 , and a gripping part having an end coupled to the urging member and the other end in contact with the object.4. The ejection device according to claim 1 , wherein the fixing mechanism comprises the positioning part disposed on the base and restricting movement of the object claim 1 , andthe positioning part is includes an electrically conductive material.5. The ejection device according to claim 4 , wherein the positioning part comprises a body part disposed on the base claim 4 , the urging member disposed in the body part claim 4 , and the gripping part having one end coupled to the urging member and the other end in contact with the object.6. The ejection device according to claim ...

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Номер записи: 89
14-01-2016 дата публикации

PRINTHEAD DIE

Номер: US20160009082A1
Автор: Chen Chien-Hua, Choy Silam J., Cumbie Michael W.
Принадлежит: Hewlett-Packard Development Company, L.P.

In one example, a printhead die includes a structure having a thickness 100 μm or less and a ratio of length to width of at least 50 and containing, within its thickness, multiple fluid ejectors and multiple fluid chambers each near an ejector and each having an inlet through which printing fluid may enter the chamber and an outlet through which printing fluid may be ejected from the chamber. 1. A printhead die , comprising a structure having a thickness 100 μm or less and a ratio of length to width of at least 50 , the structure containing , within its thickness , multiple fluid ejectors and multiple fluid chambers each near an ejector and each having an inlet through which printing fluid may enter the chamber and an outlet through which printing fluid may be ejected from the chamber.2. The printhead die of claim 1 , wherein the structure is at least 25 mm long and less than or equal to 200 μm wide.3. The printhead die of claim 2 , further comprising a molding claim 2 , the structure embedded in the molding and the molding having a channel therein through which printing fluid may pass directly to the structure.4. The printhead die of claim 3 , wherein the channel has a width of 90 μm or less.5. The printhead die of claim 4 , wherein the structure also contains within its thickness:multiple ports connected to the channel such that printing fluid can flow from the channel directly into the ports; anda manifold connected between the ports and the inlets such that printing fluid can flow from the ports directly into the manifold to the inlets.6. The printhead die of claim 5 , wherein each port is tapered from a broader part at the channel to a narrower part at the manifold.7. The printhead die of claim 6 , wherein the channel is tapered from a broader part away from the ports to a narrower part at the ports.8. A printhead claim 6 , comprising a printhead die having a thickness 100 μm or less molded into a monolithic body with a channel therein through which printing ...

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Номер записи: 90
14-01-2016 дата публикации

MOLDED FLUID FLOW STRUCTURE

Номер: US20160009084A1
Автор: Chen Chien-Hua, Cumbie Michael W.
Принадлежит: Hewlett-Packard Development Company, L.P.

In one example, a fluid flow structure includes a micro device embedded in a molding having a channel therein through which fluid may flow directly into the device and/or onto the device. 1. A fluid flow structure , comprising a micro device embedded in a molding having a channel therein through which fluid may flow directly to the device.2. The structure of claim 1 , wherein the molding comprises a monolithic molding.3. The structure of claim 2 , wherein the channel is molded into the molding.4. The structure of claim 1 , wherein the micro device includes a fluid flow passage connected directly to the channel.5. The structure of claim 1 , wherein the channel comprises an open channel exposed to an external surface of the micro device.6. The structure of claim 1 , wherein the micro device comprises an electronic device that includes an electrical terminal and the structure further comprises a conductor connected to the terminal and embedded in the molding.7. The structure of claim 6 , wherein the electronic device comprises a printhead die sliver that includes a fluid flow passage connected directly to the channel.8. A printhead structure claim 6 , comprising a monolithic body molded around multiple printhead die slivers claim 6 , the body having a channel molded therein through which fluid may flow directly to the slivers.9. The structure of claim 8 , wherein the channel comprises multiple channels through each of which fluid may flow directly to one or more of the slivers.10. The structure of claim 8 , wherein each printhead die sliver includes a fluid flow passage connected directly to a channel.11. The structure of claim 10 , wherein each channel is located next to a thickness of one or more of the printhead die slivers.12. The structure of claim 10 , wherein each channel is located next to a width of one or more of the printhead die slivers.13. A system claim 10 , comprising:a source of fluid;a fluid flow structure including a micro device embedded in a ...

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Номер записи: 91
14-01-2016 дата публикации

TRANSFER MOLDED FLUID FLOW STRUCTURE

Номер: US20160009085A1
Автор: Chen Chien-Hua, Cumbie Michael W.
Принадлежит: Hewlett-Packard Development Company, L.P.

In an embodiment, a fluid flow structure includes a micro device embedded in a molding, a fluid feed hole formed through the micro device, and a transfer molded fluid channel in the molding that fluidically couples the fluid feed hole with the channel. 1. A fluid flow structure , comprising:a micro device embedded in a molding;a fluid feed hole formed through the micro device; anda transfer molded fluid channel in the molding that fluidically couples the fluid feed hole with the channel.2. A structure as in claim 1 , wherein the channel has a shape with contours that inversely follow a topography of a mold chase used to form the channel.3. A structure as in claim 1 , wherein the channel comprises first and second sidewalls that diverge from one another as they extend away from the micro device and converge toward one another as they near the micro device.4. A structure as in claim 1 , wherein the channel comprises first and second straight side walls that are substantially parallel to one another.5. A structure as in claim 1 , wherein the channel comprises first and second straight side walls that are tapered with respect to one another.6. A structure as in claim 1 , wherein the channel comprises first and second curved side walls that mirror one another.7. A structure as in claim 1 , wherein the channel comprises first and second side walls claim 1 , each side wall having multiple contours selected from the group consisting of a straight contour claim 1 , a tapered contour claim 1 , and a curved contour.8. A structure as in claim 7 , wherein the multiple contours of the first side wall mirror the multiple contours of the second side wall.9. A fluid flow structure comprising:a monolithic body transfer molded around multiple printhead sliver substrates; andmultiple transfer molded fluid channels in the body through which fluid can flow directly to one or more of the substrates.10. A structure as in claim 9 , wherein the channels have different shapes.11. A structure ...

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Номер записи: 92
14-01-2016 дата публикации

MOLDED PRINTHEAD

Номер: US20160009086A1
Автор: Chen Chien-Hua, Choy Silam J., Cumbie Michael W., Mourey Devin Alexander
Принадлежит: Hewlett-Packard Development Company, L.P.

In one example, a printhead includes: a printhead die having a front face along which fluid may be dispensed from the die, the die molded into a monolithic molding having a channel therein through which fluid may pass directly to a back part of the die, the front face of the die exposed outside the molding and the back part of the die covered by the molding except at the channel; an electrical contact exposed outside the molding to connect to circuitry external to the printhead; a printed circuit board molded into the molding, the printed circuit board having an exposed front face co-planar with and surrounding the exposed front face of the die and a conductor electrically connected to the contact; and an electrical connection between the die and the printed circuit board conductor fully encapsulated in the molding. 1. A printhead , comprising:a printhead die having a front face along which fluid may be dispensed from the die, the die molded into a monolithic molding having a channel therein through which fluid may pass directly to a back part of the die, the front face of the die exposed outside the molding and the back part of the die covered by the molding except at the channel;an electrical contact exposed outside the molding to connect to circuitry external to the printhead;a printed circuit board molded into the molding, the printed circuit board having an exposed front face co-planar with and surrounding the exposed front face of the die and a conductor electrically connected to the contact; andan electrical connection between the die and the printed circuit board conductor.2. The printhead of claim 1 , wherein the exposed front face of the die claim 1 , the exposed front face of the printed circuit board claim 1 , and a front face of the molding together form a continuous planar surface defining a front face of the printhead.3. The printhead of claim 2 , wherein the electrical connection is between the back part of the die and the printed circuit board ...

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Номер записи: 93
14-01-2016 дата публикации

LIQUID EJECTING HEAD, LIQUID EJECTING APPARATUS, AND MANUFACTURING METHOD OF LIQUID EJECTING HEAD

Номер: US20160009087A1
Автор: Okui Hiroaki, TOGASHI Isamu
Принадлежит:

A liquid ejecting head includes a basic wiring board which includes a first connection region and a second connection region, a plurality of head units, and a plurality of individual wiring boards each of which includes a first connection portion, a relay portion, and a second connection portion, and electrically connects the basic wiring board and each head unit, in which the second connection portion of an individual wiring board is fixed to the first connection region by being bent to the second connection region side, the second connection portion of an individual wiring board is fixed to the second connection region by being bent to the first connection region side, and an interval between the relay portions of the two individual wiring boards is large on the basic wiring board side compared to the head unit side. 1. A liquid ejecting head comprising:a basic wiring board which includes a first connection region and a second connection region which extend in a first direction with an interval therebetween;a plurality of head units which face the basic wiring board, and eject liquid on a side opposite to the basic wiring board; anda plurality of flexible individual wiring boards each of which includes a first connection portion, a second connection portion, and a relay portion which is located between the first connection portion and the second connection portion, and electrically connects the basic wiring board and each of the head units,wherein, in a first individual wiring board among the plurality of individual wiring boards, the first connection portion is connected to a first head unit among the plurality of head units, the second connection portion which is bent to the second connection region side with respect to the relay portion is connected to the first connection region of the basic wiring board,wherein, in a second individual wiring board among the plurality of individual wiring boards, the first connection portion is connected to a second head unit ...

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Номер записи: 94
11-01-2018 дата публикации

Multi-Nozzle Print Head

Номер: US20180009223A1
Автор: Dimos Poulikakos, Julian Schneider, Patrick Galliker
Принадлежит: Eidgenoessische Technische Hochschule Zurich ETHZ

A print head ( 1 ) for depositing a liquid on a substrate comprises a layer structure including a stop layer ( 5 ) made of a dielectric material, an electrically conducting device layer ( 6 ), and an insulator layer ( 7 ) made of a dielectric material. A nozzle ( 3 ) is formed in the layer structure. The nozzle has a nozzle opening ( 34 ) for ejecting the liquid. A ring trench ( 31 ) is formed around the nozzle. The nozzle opening and the ring trench are radially separated by an annular nozzle wall ( 32 ). An ejection channel ( 37 ) is formed adjacent to the ring trench along the direction of ejection. An extraction electrode ( 8 ) is arranged on the insulator layer ( 7 ) and surrounds the nozzle.

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Номер записи: 95
11-01-2018 дата публикации

JETTING DEVICE WITH FILTER STATUS DETECTION

Номер: US20180009229A1
Автор: HUMMEL Tjerk E.C., KHALATE Amol A., MIHAILOVIC Marko, VEENSTRA Hylke, VENNER Cornelis W.M.
Принадлежит: OCE-TECHNOLOGIES B.V.

A jetting device includes an ejection unit arranged to eject a droplet of a liquid. The ejection unit includes a nozzle, a liquid duct connected to the nozzle, and an electro-mechanical transducer arranged to create an acoustic pressure wave in the liquid in the duct. The jetting device further includes a filter arranged to filter the liquid being supplied into the duct and a filter status detection system arranged to detect an obstruction status of the filter by measuring a property of the liquid in the duct. The filter status detection system includes a circuit configured for measuring the electric response of the transducer, for recording changes in the electric response that represent pressure fluctuations induced by the acoustic wave in the form of a time-dependent function, and for judging the obstruction status of the filter on the basis of that function. 1. A jetting device comprising: a nozzle;', 'a liquid duct connected to the nozzle; and', 'an electro-mechanical transducer arranged to create an acoustic pressure wave in the liquid in the duct;, 'an ejection unit arranged to eject a droplet of a liquid, said ejection unit comprisinga filter arranged to filter the liquid being supplied into the duct; anda filter status detection system arranged to detect an obstruction status of the filter by measuring a property of the liquid in the duct,wherein the filter status detection system comprises a circuit configured to measure the electric response of the transducer, to record changes in the electric response that represent pressure fluctuations induced by the acoustic wave in the form of a time-dependent function P(t), and to judge the obstruction status of the filter on the basis of said time-dependent function P(t).2. The jetting device according to claim 1 , wherein the transducer is a piezoelectric transducer.3. The jetting device according to claim 1 , wherein the filter status detection system is configured to measure the electric response of the ...

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Номер записи: 96
14-01-2021 дата публикации

LIQUID DISCHARGE HEAD AND PRINTER

Номер: US20210008874A1
Автор: Ichikawa Masaya
Принадлежит:

A liquid discharge head includes first and second actuators and a drive circuit. Each of the first and second actuators is configured to expand and contract first and second pressure chambers, respectively. The drive circuit is configured to, during a dot formation cycle apply a first number of discharge pulses to the first actuator to cause the first number of droplets to be discharged from the first pressure chamber and apply a second number of discharge pulses to the second actuator to cause the second number of droplets to be discharged from the second pressure chamber and apply a third number of precursors to the second actuator. The first number is greater than or equal to two. Each of the second and third numbers is greater than or equal to one. A sum of the second and third numbers is less than or equal to the first number. 1. A liquid discharge head comprising:an actuator configured to expand and contract a pressure chamber corresponding thereto; anda drive circuit configured to, during a dot formation cycle, apply a first number of discharge pulses to the actuator to cause the first number of droplets to be discharged from the pressure chamber and apply a second number of precursors to the actuator, the first number being equal to or more than one and the second number being equal to or more than one.2. The liquid discharge head according to claim 1 , wherein a sum of the first number and the second number is equal to a maximum number of discharge pulses the drive circuit is capable of applying to the actuator during the dot formation cycle.3. The liquid discharge head according to claim 1 , further comprising:a second actuator configured to expand and contact a second pressure chamber corresponding thereto, whereinthe drive circuit is configured to, during the dot formation cycle, apply a third number of discharge pulses to the second actuator to cause the third number of droplets to be discharged from the second pressure chamber, the third number being ...

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Номер записи: 97
14-01-2021 дата публикации

LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS

Номер: US20210008882A1
Автор: TAKABE Motoki
Принадлежит:

A liquid ejecting head capable of suppressing an increase in size in a configuration in which a liquid circulates between the liquid ejecting head and a liquid storage portion and a liquid ejecting apparatus are provided. Pressures chambers communicating with nozzles that eject a liquid, a first common flow path through which the liquid is supplied to the pressure chambers side, a second common flow path through which the liquid is led out from the pressure chambers side, a first compliance portion that deforms in response to a pressure change in the liquid inside the first common flow path, and a second compliance portion that deforms in response to a pressure change in the liquid inside the second common flow path are provided. The first compliance portion and the second compliance portion overlap each other when viewed in a thickness direction of at least one of the compliance portions. 1. A liquid ejecting head , comprising:a plurality of pressure chambers communicating with a plurality of nozzles that eject a liquid;a first common flow path through which the liquid is supplied to the plurality of pressure chambers side;a second common flow path through which the liquid is led out from the plurality of pressure chambers side;a first compliance portion that deforms in response to a pressure change in the liquid inside the first common flow path; anda second compliance portion that deforms in response to a pressure change in the liquid inside the second common flow path, whereinthe first compliance portion and the second compliance portion overlap each other when viewed in a thickness direction of at least one of the compliance portions.2. A liquid ejecting head , comprising:a plurality of pressure chambers communicating with a plurality of nozzles that eject a liquid;a first common flow path through which the liquid is supplied to the plurality of pressure chambers side;a second common flow path through which the liquid is led out from the plurality of pressure ...

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Номер записи: 98
14-01-2021 дата публикации

INK-JET HEAD HAVING PASSAGE UNIT AND ACTUATOR UNITS ATTACHED TO THE PASSAGE UNIT, AND INK-JET PRINTER HAVING THE INK-JET HEAD

Номер: US20210008883A1
Автор: Asano Takeshi, Hirota Atsushi, SAKAIDA Atsuo
Принадлежит: BROTHER KOGYO KABUSHIKI KAISHA

A printhead module includes a plurality of rows of printhead nozzles, at least some of the rows including at least one displaced row portion, the displacement of the row portion including a component in a direction normal to that of a pagewidth to be printed, wherein the displaced row portions of at least some of the rows are different in length than the displaced row portions of at least some of the other rows. 1. An ink-jet head comprising:a plurality of nozzles; anda plurality of pressure chambers which communicate with the plurality of nozzles, respectively, the plurality of pressure chambers being apart from the plurality of nozzles in a first direction, wherein,the plurality of nozzles forms a plurality of nozzle groups, the plurality of nozzle groups aligned in a second direction orthogonal to the first direction, andthe plurality of nozzle groups includes:a first nozzle group which has a trapezoidal shape in a plane orthogonal to the first direction; anda second nozzle group which overlaps with the first nozzle group in a third direction orthogonal to the first and second directions.2. The inkjet head according to claim 1 , whereinthe second nozzle group includes a triangle region which has a triangle shape in the plane, the triangle region overlapping with the first nozzle group in the third direction.3. The inkjet head according to claim 2 , wherein claim 2 ,the first nozzle group includes a tetragonal region which has a tetragonal shape in the plane and a triangle region which has a triangle shape in the plane, andthe triangle region of the first nozzle group and the triangle region of the second nozzle group overlap each other in the third direction.4. The inkjet head according to claim 1 , whereineach of the plurality of nozzles in the second nozzle group is positioned between two of the plurality of nozzles in the first nozzle group, the two nozzles aligned in the second direction.5. The inkjet head according to claim 1 , whereineach of the first and ...

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Номер записи: 99
14-01-2021 дата публикации

PRINTING MATERIAL CONTAINER, AND BOARD MOUNTED ON PRINTING MATERIAL CONTAINER

Номер: US20210008891A1
Автор: ASAUCHI Noboru
Принадлежит: SEIKO EPSON CORPORATION

A printing material container is detachably attachable to a printing apparatus having a plurality of apparatus-side terminals. The printing material container comprises a first device, a second device, and a terminal group that includes a plurality of first terminals, at least one second terminal and at least one third terminal. The plurality of first terminals are connected to the first device and respectively include a first contact portion for contacting a corresponding terminal among the plurality of apparatus-side terminals. The at least one second terminal is connected to the second device and includes a second contact portion for contacting a corresponding terminal among the plurality of apparatus-side terminals. The at least one third terminal is for the detection of shorting between the at least one second terminal and the at least one third terminal and includes a third contact portion for contacting a corresponding terminal among the plurality of apparatus-side terminals. The at least one second contact portion, the plurality of the first contact portions, and the at least one third contact portion are arranged so as to form one or multiple rows. The at least one second contact portion is arranged at an end of one row among the one or multiple rows. 1. A printing material container adapted to be attached to a printing apparatus by being inserted in an insertion direction , the printing material container comprising:a first electronic device terminal;a second electronic device terminal:an electronic device electrically connected with the first electronic device terminal and the second electronic device terminal and adapted to be applied with a first voltage; anda circuit board that includes a board, a memory disposed on the board, and a plurality of memory terminals disposed on the board, the plurality of memory terminals being electrically connected to the memory, the memory being adapted to be applied with a second voltage, the second voltage applied to ...

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Номер записи: 100