公开(公告)号：US09010908B2

公开(公告)日：2015-04-21

申请号：US14099434

申请日：2013-12-06

Applicant: SII Printek Inc.

Inventor： Satoshi Horiguchi ,  Yuzuru Kubota

IPC: B41J2/045 ,  H01L41/22 ,  B41J2/16 ,  B41J2/14

CPC classification number: B41J2/164 ,  B41J2/14209 ,  B41J2/1609 ,  B41J2/1626 ,  B41J2/1631 ,  B41J2/1632 ,  B41J2202/12 ,  Y10T29/42

Abstract: A liquid jet head includes an actuator substrate having a plurality of elongated grooves arrayed from an upper surface to a lower surface thereof. The grooves are formed from a vicinity of a peripheral end on one side of the actuator substrate to a peripheral end the other side thereof, ends of the grooves in a longitudinal direction thereof have respective inclined surfaces rising from the lower surface to the upper surface of the actuator substrate, and a crossing angle at crossing portions at which the inclined surfaces and the lower surface cross each other is in a range of 3 degrees to 80 degrees. A width W of the inclined surfaces in the longitudinal direction thereof and a thickness D of the actuator substrate satisfy a relationship 0.2≦(W/D)≦11 at the ends on one side of the grooves.

Abstract translation: 液体喷射头包括具有从上表面到下表面排列的多个细长槽的致动器基板。 所述凹槽由所述致动器基板的一侧的周端附近形成为其另一侧的周向端部，所述槽的长度方向的端部具有从下表面向上表面上升的各倾斜面 致动器基板以及倾斜面和下表面交叉的交叉部的交叉角在3度〜80度的范围内。 其长度方向的倾斜面的宽度W和致动器基板的厚度D在槽的一侧的端部处满足0.2＆lt; nlE;（W / D）＆nlE; 11。

公开(公告)号：US08967774B2

公开(公告)日：2015-03-03

申请号：US14075008

申请日：2013-11-08

Applicant: SII Printek Inc.

Inventor： Satoshi Horiguchi ,  Yuki Yamamura ,  Yuzuru Kubota ,  Yoshinori Domae ,  Makoto Suzuki ,  Ryoichiro Yamashita ,  Masatoshi Toda ,  Toshihiko Harajiri ,  Shinji Saeki

IPC: B41J2/045 ,  B41J2/16

CPC classification number: B41J2/1623 ,  B41J2/1609 ,  B41J2/1626 ,  B41J2/1631 ,  B41J2/1632 ,  Y10T156/1064

Abstract: A liquid jet head includes an actuator substrate having ejection grooves and non-ejection grooves partitioned by walls each including a piezoelectric body. The non-ejection grooves have, at ends on one side thereof, respective inclined surfaces rising from bottom surfaces thereof to upper surface openings at upper portions thereof. Common electrodes are provided in a strip form along a longitudinal direction of the walls on both side surfaces of the walls facing the ejection grooves, and active electrodes are provided in a strip form along the longitudinal direction of the walls on both side surfaces of the walls facing the non-ejection grooves. The active electrodes extend from positions in the vicinity of the ends on one side of the non-ejection grooves to ends on the other side thereof.

Abstract translation: 液体喷射头包括具有喷射槽的致动器基板和由壁分隔的非喷射槽，每个壁包括压电体。 非排出槽在其一侧的端部具有从其底表面上升到其上部的上表面开口的相应倾斜表面。 公共电极在面向喷射槽的壁的两个侧表面上沿着壁的纵向方向设置成带状，并且活动电极沿壁的纵向方向设置在壁的两个侧表面上 面向非喷射槽。 有源电极从非排出槽的一侧的端部附近的位置延伸到另一侧的端部。

公开(公告)号：US08944571B2

公开(公告)日：2015-02-03

申请号：US14075024

申请日：2013-11-08

Applicant: SII Printek Inc.

Inventor： Satoshi Horiguchi ,  Yuzuru Kubota ,  Yoshinori Domae

IPC: B41J2/045 ,  B41J2/16

CPC classification number: B41J2/1626 ,  B41J2/1609 ,  B41J2/1623 ,  B41J2/1631 ,  B41J2/1632 ,  Y10T29/49401

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US09855748B2

公开(公告)日：2018-01-02

申请号：US14030117

申请日：2013-09-18

Applicant: SII PRINTEK INC.

Inventor： Satoshi Horiguchi

IPC: B41J2/14

CPC classification number: B41J2/1433 ,  B41J2/14209 ,  B41J2202/12

Abstract: A liquid jet head includes a nozzle plate having a first nozzle row and a second nozzle row each formed of a plurality of nozzles; and a piezoelectric plate having a plurality of first ejection grooves communicating with respective ones of the plurality of nozzles of the first nozzle row, and a plurality of second ejection grooves communicating with respective ones of the plurality of nozzles of the second nozzle row. The plurality of first ejection grooves and the plurality of second ejection grooves are longitudinally separated from each other in the longitudinal direction of the grooves by a partition wall located between the plurality of first ejection grooves and the plurality of second ejection grooves.

公开(公告)号：US09365039B2

公开(公告)日：2016-06-14

申请号：US14641823

申请日：2015-03-09

Applicant: SII PRINTEK INC. ,  SEIKO INSTRUMENTS INC.

Inventor： Tokio Tatsumi ,  Satoshi Horiguchi

IPC: B41J2/045 ,  B41J2/14 ,  B41J2/16

CPC classification number: B41J2/14209 ,  B41J2/14072 ,  B41J2/1609 ,  B41J2/1623 ,  B41J2/1631 ,  B41J2/1632 ,  B41J2/1643 ,  B41J2002/14491 ,  Y10T29/49401

Abstract: A liquid jet head includes a base plate, and an actuator portion fixed to the base plate and having an array of alternating ejection channel and a dummy channel. drive electrodes are formed on inner surfaces of the ejection channels and the dummy channels, and extracting electrodes are formed on the base plate on a rear side of the actuator plate and electrically connected to the drive electrodes. an electrode formation region of the base plate on which are formed the extracting electrodes has a surface roughness greater then that of other regions of the base plate.

Abstract translation: 液体喷射头包括基板和固定到基板并具有交替的排出通道和虚拟通道的阵列的致动器部分。 驱动电极形成在喷射通道和虚拟通道的内表面上，并且提取电极形成在致动器板的后侧上的基板上并电连接到驱动电极。 形成有提取电极的基板的电极形成区域的表面粗糙度大于基板的其它区域的表面粗糙度。

公开(公告)号：US09333752B2

公开(公告)日：2016-05-10

申请号：US14509673

申请日：2014-10-08

Applicant: SII PRINTEK INC.

Inventor： Satoshi Horiguchi

IPC: B41J2/175 ,  B41J2/16 ,  B41J2/14

CPC classification number: B41J2/1632 ,  B41J2/14209 ,  B41J2/1609 ,  B41J2/1623 ,  Y10T29/42

Abstract: A liquid jet head includes a piezoelectric substrate having ejection grooves formed in an upper surface thereof and arranged in a reference direction. A side flow path is formed in a first side surface of the piezoelectric substrate and communicates with the ejection grooves. A cover plate is bonded to the upper surface, and a nozzle plate is bonded to the first side surface and has nozzles communicating with the respective ejection grooves.

Abstract translation: 液体喷射头包括具有形成在其上表面中并沿基准方向布置的喷射槽的压电基板。 在压电基板的第一侧面形成有侧流路，与喷出槽连通。 盖板结合到上表面，并且喷嘴板结合到第一侧表面并且具有与各个喷射槽连通的喷嘴。

公开(公告)号：US09327502B2

公开(公告)日：2016-05-03

申请号：US14149572

申请日：2014-01-07

Applicant: SII PRINTEK INC.

Inventor： Satoshi Horiguchi

IPC: B41J2/16

CPC classification number: B41J2/1632 ,  B41J2/1609 ,  B41J2/1623 ,  B41J2/1631

Abstract: A method of manufacturing a head chip includes a groove forming step for forming grooves which are the bases of ejection grooves on a first surface of the actuator substrate, a substrate grinding step for grinding a second surface of the actuator substrate so that each of the grooves has a predetermined depth, a recessed portion forming step for forming an inspection recessed portion which changes its state in the second surface of the actuator substrate according to the grinding amount of the actuator substrate in the substrate grinding step, and a grinding amount determination step for determining the grinding amount of the actuator substrate on the basis of a state of the inspection recessed portion after the substrate grinding step.

Abstract translation: 制造头部芯片的方法包括：槽形成步骤，用于在致动器基板的第一表面上形成作为排出槽的基部的槽;衬底研磨步骤，用于研磨致动器基板的第二表面，使得每个槽 具有预定深度的凹陷部分形成步骤，用于形成检测凹部，该检查凹部在基板研磨步骤中根据致动器基板的研磨量改变其在致动器基板的第二表面中的状态;以及磨削量确定步骤， 基于在基板研磨步骤之后的检查凹部的状态来确定致动器基板的研磨量。

公开(公告)号：US09283758B2

公开(公告)日：2016-03-15

申请号：US14632144

申请日：2015-02-26

Applicant: SII PRINTEK INC.

Inventor： Satoshi Horiguchi

IPC: B41J2/045 ,  B41J2/14 ,  B41J2/16

CPC classification number: B41J2/14201 ,  B41J2/14209 ,  B41J2/1607 ,  B41J2/1609 ,  B41J2/1623 ,  B41J2/1632 ,  B41J2/1634 ,  B41J2/1643 ,  B41J2002/14491

Abstract: A method of manufacturing a liquid jet head includes: a groove forming step of alternately forming ejection grooves and non-ejection grooves in a reference direction on an upper surface of an actuator substrate; a cover plate processing step of forming a recessed portion on an upper surface of a cover plate and slits penetrating the cover plate from a bottom surface of the recessed portion through a lower surface located opposite to the upper surface of the cover plate; a substrate bonding step of bonding the lower surface of the cover plate to the upper surface of the actuator substrate to allow the slits to communicate with the respective ejection grooves; and an electrode forming step of simultaneously forming conductive films on side surfaces of the ejection grooves, side surfaces of the non-ejection grooves, and inner surfaces of the slits and the recessed portion.

Abstract translation: 一种制造液体喷射头的方法包括：在致动器基板的上表面上沿参考方向交替地形成喷射槽和非喷射槽的槽形成步骤; 盖板加工步骤，在盖板的上表面上形成凹部，通过与盖板的上表面相对的下表面，从凹部的底面穿透盖板的狭缝; 衬底接合步骤，将盖板的下表面粘合到致动器基板的上表面，以允许狭缝与各个喷射槽连通; 以及在喷射槽的侧面，非喷射槽的侧面以及狭缝和凹部的内表面同时形成导电膜的电极形成工序。

公开(公告)号：US09199465B2

公开(公告)日：2015-12-01

申请号：US14156606

申请日：2014-01-16

Applicant: SII PRINTEK INC.

Inventor： Toshihiko Harajiri ,  Yuzuru Kubota ,  Satoshi Horiguchi

IPC: B41J2/015 ,  B41J2/16 ,  B41J2/14

CPC classification number: B41J2/1631 ,  B41J2/14209 ,  B41J2002/14491 ,  B41J2202/18 ,  Y10T29/42

Abstract: A liquid jet head includes an actuator substrate having a principal surface on which ejection channels and non-ejection channels are formed, common electrodes formed on side surfaces of the ejection channels, individual electrodes formed on side surfaces of the non-ejection channels, individual electrode pads for connection to the individual electrodes, and common electrode pads for connection to the common electrodes. A groove is formed on the principal surface of the actuator substrate for isolating the individual electrode pads and the common electrode pads from one another. An external substrate has individual electrode terminals and common electrode terminals for connection to the individual electrode pads and common electrode pads, respectively. A connection wiring that connects the common electrode terminals to each other is formed along the groove to prevent an electrical short circuit between the connection wiring and the individual electrodes.

Abstract translation: 液体喷射头包括具有其上形成喷射通道和非喷射通道的主表面的致动器基板，形成在喷射通道的侧表面上的公共电极，形成在非喷射通道的侧表面上的单独电极，单独电极 用于连接到各个电极的焊盘，以及用于连接到公共电极的公共电极焊盘。 在致动器基板的主表面上形成有用于将各个电极焊盘和公共电极焊盘彼此隔离的凹槽。 外部基板具有单独的电极端子和用于分别连接到各个电极焊盘和公共电极焊盘的公共电极端子。 沿着沟槽形成连接公共电极端子的连接布线，以防止连接布线和各个电极之间的电短路。