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1. 发明申请

US20140125741A1 LIQUID JET HEAD AND LIQUID JET APPARATUS 审中-公开
标题翻译：液体喷射头和液体喷射装置
公开(公告)号：US20140125741A1
公开(公告)日：2014-05-08
申请号：US14065890
申请日：2013-10-29
申请人： SII PRINTEK INC.
发明人： Satoshi HORIGUCHI , Yuki YAMAMURA , Yuzuru KUBOTA , Yoshinori DOMAE , Masatoshi TODA , Masao TACHIBANA
IPC分类号： B41J2/175
CPC分类号： B41J2/14209
摘要： A liquid jet head is provided with an actuator substrate which is partitioned by elongated walls of piezoelectric body and has elongated grooves arrayed thereon so as to penetrate the substrate from an upper surface through a lower surface thereof, a cover plate which is attached to the substrate so as to cover upper surface openings of the grooves and has a liquid supply chamber which supplies liquid to the grooves, and a nozzle plate which is attached to the substrate so as to cover lower surface openings of the grooves and has nozzles communicating with the respective grooves. Drive electrodes are formed in strip form on side surfaces of the walls along the longitudinal direction thereof so as to be separated from the nozzle plate. The nozzle plate has a lower stiffness than the cover plate.
摘要翻译：液体喷射头设置有致动器基板，致动器基板由压电体的细长壁分隔，并且具有排列在其上的细长槽，以便通过其下表面从上表面穿透基板;附接到基板的盖板以覆盖槽的上表面开口，并且具有向槽供给液体的液体供应室，以及附接到基板以便覆盖槽的下表面开口的喷嘴板，并且具有与各自的槽相连的喷嘴凹槽驱动电极沿着其纵向在壁的侧表面上以条形形成，以便与喷嘴板分离。喷嘴板的刚度低于盖板。

2. 发明申请

US20160318302A1 LIQUID INJECTION HEAD, METHOD OF MANUFACTURING LIQUID INJECTION HEAD, AND LIQUID INJECTION DEVICE 有权
标题翻译：液体注射头，液体注射头制造方法和液体注射装置
公开(公告)号：US20160318302A1
公开(公告)日：2016-11-03
申请号：US15085767
申请日：2016-03-30
申请人： SII PRINTEK INC.
发明人： Yuzuru KUBOTA
IPC分类号： B41J2/14
CPC分类号： B41J2/14209 , B41J2/14201 , B41J2/1606 , B41J2/1609 , B41J2/162 , B41J2/1631 , B41J2/1632 , B41J2/1635 , B41J2/1643 , B41J2002/14217 , B41J2002/14491
摘要： An individual electrode formed on an inside surface of a dummy channel, a common electrode formed on an inside surface of a discharge channel, an individual pad formed in a connection groove of an actuator plate, connecting the individual electrodes opposed in an X direction across the discharge channel, and to which an FPC is connected, a shallow groove portion opened toward a rear side on the actuator plate, a common pad formed in the shallow groove portion, and connecting the common electrode and the FPC through the shallow groove portion, and a dividing groove formed in a corner portion made by a surface and a rear-side end surface of the actuator plate, and dividing the common pad from the individual pad.
摘要翻译：形成在虚拟通道的内表面上的单独电极，形成在排出通道的内表面上的公共电极，形成在致动器板的连接槽中的单独焊盘，将沿X方向相对的各个电极跨越排出通道，FPC连接到其上，在致动器板上朝向后侧开口的浅槽部分，形成在浅槽部分中的公共焊盘，并且通过浅槽部分连接公共电极和FPC;以及形成在由所述致动器板的表面和后侧端面形成的角部中的分隔槽，并且从所述独立焊盘分割所述公共焊盘。

3. 发明申请

US20140139593A1 LIQUID JET HEAD, LIQUID JET APPARATUS AND METHOD OF MANUFACTURING LIQUID JET HEAD 有权
标题翻译：液体喷射头，液体喷射装置及制造液体喷射头的方法
公开(公告)号：US20140139593A1
公开(公告)日：2014-05-22
申请号：US14075024
申请日：2013-11-08
申请人： SII PRINTEK INC.
发明人： Satoshi HORIGUCHI , Yuzuru KUBOTA , Yoshinori DOMAE
IPC分类号： B41J2/16 , B41J2/14
CPC分类号： B41J2/1626 , B41J2/1609 , B41J2/1623 , B41J2/1631 , B41J2/1632 , Y10T29/49401
摘要： A liquid jet head is provided with an actuator substrate partitioned by elongated walls of a piezoelectric body and having elongated ejection grooves and elongated non-ejection grooves alternately arrayed thereon so as to penetrate the actuator substrate from an upper surface through a lower surface thereof; a cover plate provided on the upper surface and having first slits communicating with the ejection grooves on one side and second slits communicating with the ejection grooves on the other side; and a nozzle plate provided on the lower surface and having nozzles communicating with the ejection grooves. The non-ejection grooves extend, on the other side, up to a second-side peripheral end of the actuator substrate, and the actuator substrate is left to form raised bottom portions on bottoms of the non-ejection grooves near the second-side peripheral end.
摘要翻译：液体喷射头设置有由压电体的细长壁分隔的致动器基板，并且具有交替排列在其上的细长的喷射槽和细长的非喷射槽，以便通过其下表面从上表面穿透致动器基板; 盖板，设置在上表面上，具有与一侧的排出槽连通的第一狭缝，以及与另一侧的喷出槽连通的第二狭缝; 以及设置在下表面上并具有与排出槽连通的喷嘴的喷嘴板。不排出槽在另一侧延伸到致动器基板的第二侧外周端，并且致动器基板留在第二侧周边附近的非喷射槽的底部上形成凸起的底部结束。

4. 发明申请

US20140118440A1 LIQUID JET HEAD, LIQUID JET APPARATUS, AND METHOD OF MANUFACTURING LIQUID JET HEAD 有权
标题翻译：液体喷射头，液体喷射装置及制造液体喷射头的方法
公开(公告)号：US20140118440A1
公开(公告)日：2014-05-01
申请号：US14061987
申请日：2013-10-24
申请人： SII PRINTEK INC.
发明人： Yuzuru KUBOTA
IPC分类号： B41J2/175 , B41J2/16
CPC分类号： B41J2/14209 , B41J2/1609 , B41J2/1623 , B41J2/1631 , B41J2/1632 , B41J2/1642 , B41J2202/12
摘要： The liquid jet head of the present invention includes a laminate structure obtained by laminating a cover plate, an actuator substrate, and a nozzle plate. The actuator substrate includes a groove array formed by alternately arraying an ejection groove (a first or second ejection groove) and a dummy groove (a first or second dummy groove), and a common chamber communicating with one end of the ejection groove. The cover plate includes one chamber communicating with the common chamber and another chamber (a first or second chamber) communicating with another end of the ejection groove and is provided on a top surface of the actuator substrate so as to cover the groove array. The nozzle plate includes a nozzle communicating with the ejection groove and is provide on a bottom surface of the actuator substrate so as to cover the groove array.
摘要翻译：本发明的液体喷射头包括通过层压盖板，致动器基板和喷嘴板而获得的层叠结构。致动器基板包括通过交替排列排出槽（第一或第二排出槽）和虚设槽（第一或第二虚设槽）而形成的槽阵列，以及与排出槽的一端连通的公共室。盖板包括与公共室连通的一个室和与喷射槽的另一端连通并且设置在致动器基板的顶表面上以覆盖凹槽阵列的另一个室（第一或第二室）。喷嘴板包括与喷射槽连通的喷嘴，并且设置在致动器基板的底表面上以覆盖凹槽阵列。

5. 发明申请

US20220161557A1 HEAD CHIP, LIQUID JET HEAD, LIQUID JET RECORDING DEVICE, AND METHOD OF MANUFACTURING HEAD CHIP 有权
公开(公告)号：US20220161557A1
公开(公告)日：2022-05-26
申请号：US17523605
申请日：2021-11-10
申请人： SII PRINTEK INC.
发明人： Yuzuru KUBOTA , Satoshi HORIGUCHI , Tomoaki HOSHI
IPC分类号： B41J2/14 , B41J2/16
摘要： There are provided a head chip, a liquid jet head, a liquid jet recording device, and a method of manufacturing the head chip each capable of preventing the short circuit of electrodes by ink to maintain an excellent ejection performance over a long period of time. The head chip according to an aspect of the present disclosure includes an actuator plate, a cover plate, and an intermediate plate. In the actuator plate, open apertures which communicate an inside and an outside of a non-ejection channel with each other are formed in both end portions of the non-ejection channel in a Y direction. In the actuator plate, open apertures which communicate an inside and an outside of a non-ejection channel with each other are formed in both end portions of the non-ejection channel in the Y direction.

6. 发明申请

US20180222196A1 LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS 审中-公开
公开(公告)号：US20180222196A1
公开(公告)日：2018-08-09
申请号：US15883812
申请日：2018-01-30
申请人： SII Printek Inc.
发明人： Yuzuru KUBOTA , Daichi NISHIKAWA , Daiki IROKAWA , Eriko MAEDA , Yutaka HONGO
IPC分类号： B41J2/14
CPC分类号： B41J2/14209 , B41J2/1433 , B41J2/1609 , B41J2/1623 , B41J2/1626 , B41J2/1631 , B41J2/1632 , B41J2/1643 , B41J2002/14362 , B41J2002/14419 , B41J2002/14491 , B41J2202/12
摘要： According to an embodiment, an ink jet head includes a pair of actuator plates, a return plate, and a flow passage plate. The pair of actuator plates are disposed to face each other in a Y-direction. In the actuator plate, a plurality of channels which extend in a Z-direction are arranged at a distance in an X-direction. The return plate is disposed on an opening end side of the channels in the pair of actuator plates. A circulation passage which communicates with the channels is formed in the return plate. The flow passage plate is disposed between the pair of actuator plates. An inlet flow passage into which an ink flows and an outlet flow passage which communicates with the circulation passage are arranged in the Z-direction.

7. 发明申请

US20180222195A1 LIQUID EJECTING HEAD CHIP, LIQUID EJECTING HEAD, AND LIQUID EJECTING APPARATUS 审中-公开
公开(公告)号：US20180222195A1
公开(公告)日：2018-08-09
申请号：US15883837
申请日：2018-01-30
申请人： SII Printek Inc.
发明人： Yuzuru KUBOTA , Daichi NISHIKAWA
IPC分类号： B41J2/14 , B41J2/145 , B41J2/16 , B41J2/155
CPC分类号： B41J2/14201 , B41J2/14209 , B41J2/145 , B41J2/155 , B41J2/1609 , B41J2/1623 , B41J2/1629 , B41J2/1631 , B41J2/1632 , B41J2/1634 , B41J2/1643 , B41J2002/14491 , B41J2202/18 , H01L41/0475 , H01L41/0973 , H01L41/1876 , H01L41/29 , H01L41/332 , H01L41/338
摘要： According to an embodiment, a liquid ejecting head chip includes an actuator plate, a cover plate, a common electrode, and a connection wiring. In the actuator plate, a plurality of discharge channels and a plurality of non-discharge channels which extend in a Z-direction are alternately arranged at a distance in an X-direction. The cover plate is stacked on an AP-side-Y-direction inner side surface, so as to close the plurality of discharge channels and the plurality of non-discharge channels. The common electrode is formed on an inner surface of each of the discharge channels. The connection wiring is divided so as to be formed in at least 3 or more places in the X-direction on the cover plate, and the common electrode connects the connection wiring to the flexible substrate.

8. 发明申请

US20170129239A1 MANUFACTURING METHOD OF LIQUID JET HEAD, LIQUID JET HEAD, AND LIQUID JET APPARATUS 有权
公开(公告)号：US20170129239A1
公开(公告)日：2017-05-11
申请号：US15337658
申请日：2016-10-28
申请人： SII Printek Inc.
发明人： Yuzuru KUBOTA , Taihei YAMAGUCHI
IPC分类号： B41J2/14 , B41J2/16
CPC分类号： B41J2/14209 , B41J2/1433 , B41J2/1609 , B41J2/162 , B41J2/1642 , B41J2/1643 , B41J2002/14411 , B41J2002/14491
摘要： A manufacturing method of a liquid jet head includes: a groove formation step of forming ejection grooves and non-ejection grooves alternately in the upper surface of an actuator substrate; a cover plate processing step of forming a recessed portion in the upper surface of a cover plate and slits penetrating from the bottom surface of the recessed portion to the lower surface opposite to the upper surface; an electrode formation step of forming conductive films on the both side surfaces and front surface of the ejection grooves, the both side surfaces of the non-ejection grooves, the inner surfaces of the slits and the recessed portion, and the lower surface of the cover plate; and a substrate joining step of joining the lower surface of the cover plate to the upper surface of the actuator substrate so as to communicate the slits with the ejection grooves.

9. 发明申请

US20150158299A1 LIQUID JET HEAD AND LIQUID JET APPARATUS 有权
标题翻译：液体喷射头和液体喷射装置
公开(公告)号：US20150158299A1
公开(公告)日：2015-06-11
申请号：US14534826
申请日：2014-11-06
申请人： SII PRINTEK INC.
发明人： Daichi NISHIKAWA , Yuzuru KUBOTA
IPC分类号： B41J2/14
CPC分类号： B41J2/14209 , B41J2002/14491 , B41J2202/18
摘要： A liquid jet head includes: a head chip including a plurality of common terminals arranged in a reference direction; and a circuit board connected to the head chip. The circuit board includes: a plurality of shared terminals installed on a lower surface on the head chip side and electrically connected to the common terminals, respectively; an upper common wiring installed on a top surface opposite to the head chip side and extending in the reference direction; and a through electrode electrically connecting each of the shared terminal to the upper common wiring.
摘要翻译：液体喷射头包括：头部芯片，包括沿参考方向排列的多个公共端子; 以及连接到头芯片的电路板。电路板包括：多个共享端子，分别安装在头芯片侧的下表面上并电连接到公共端子; 安装在与头芯片侧相对的顶表面上并沿参考方向延伸的上公共布线; 以及将共用端子与上部公共配线电连接的贯通电极。

10. 发明申请

US20230126898A1 POSITIONING STRUCTURE, LIQUID JET HEAD, AND LIQUID JET RECORDING DEVICE 有权
公开(公告)号：US20230126898A1
公开(公告)日：2023-04-27
申请号：US17969965
申请日：2022-10-20
申请人： SII Printek Inc.
发明人： Yuzuru KUBOTA
IPC分类号： B41J25/304
摘要： A liquid jet head is accurately positioned to a head installation part of a liquid jet recording device. A positioning structure includes a positioning pin provided to a carriage, and a positioning mechanism provided to an inkjet head, wherein the positioning mechanism includes a contact member having contact with the positioning pin, and a displacement mechanism for displacing the contact member along a displacement axis extending in an oblique direction crossing a direction perpendicular to an installation surface of head installation part, and a contact part of the positioning pin is formed to have a curved surface shape taking a first intersecting axis crossing the installation surface as a central axis, and a contact part of the contact member is formed to have a curved surface shape taking a second intersecting axis as a central axis, the second intersecting axis crossing an imaginary plane including a displacement axis and a vertical axis (the first intersecting axis) extending in a direction perpendicular to the installation surface, and the second intersecting axis being nonparallel to the first intersecting axis.

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