公开(公告)号：US20150174902A1

公开(公告)日：2015-06-25

申请号：US14570051

申请日：2014-12-15

Applicant: SII PRINTEK INC.

Inventor： Yoshinori DOMAE ,  Yuki YAMAMURA

IPC: B41J2/14

CPC classification number: B41J2/14201 ,  B41J2/14209 ,  B41J2002/14411 ,  B41J2002/14491 ,  B41J2202/10 ,  B41J2202/11 ,  B41J2202/18

Abstract: A liquid jet head includes a piezoelectric body substrate in which a groove array in which an ejection groove opening to a surface and a non-ejection groove opening to the surface are alternately arrayed in a reference direction K, common drive electrodes are installed at both side surfaces of the ejection groove, and individual drive electrodes are installed at both side surfaces of the non-ejection groove. The piezoelectric body substrate includes pieces of individual wiring electrically separated to each other on the surface at both end sides of the non-ejection groove in a longitudinal direction, and the individual wiring at one end side is electrically connected to the individual drive electrode installed at one side surface of the non-ejection groove, and the individual wiring at the other end side is electrically connected to the individual drive electrode installed at the other side surface of the non-ejection groove.

Abstract translation: 液体喷射头包括：压电体基板，其中通向与表面开口的喷射槽和在表面上开口的非喷射槽沿着参考方向K交替排列的凹槽阵列，公共驱动电极安装在两侧 喷射槽的表面和各个驱动电极安装在非喷射槽的两侧表面。 压电体基板包括在纵向方向上在非排出槽的两端侧的表面上彼此电分离的单独布线，并且一端侧的各个布线电连接到安装在 不排出槽的一个侧表面和另一端侧的各个配线电连接到安装在非喷射槽的另一侧表面的单个驱动电极。

公开(公告)号：US20150029271A1

公开(公告)日：2015-01-29

申请号：US14338803

申请日：2014-07-23

Applicant: SII PRINTEK INC.

Inventor： Yoshinori DOMAE ,  Yuki YAMAMURA

IPC: B41J2/14 ,  B41J2/16

CPC classification number: B41J2/1623 ,  B41J2/14209 ,  B41J2/1609 ,  B41J2/1632 ,  B41J2/1642 ,  B41J2002/14491 ,  Y10T29/42

Abstract: A liquid jet head includes a piezoelectric body substrate having a plurality of groove arrays, in each of which ejection grooves penetrating from the upper surface to the lower surface are arrayed in a reference direction, drive electrode provided on side faces of the ejection grooves, and terminal electrodes provided on the lower surface, and electrically connected to the drive electrodes; and a flexible circuit board electrically connected from the terminal electrodes, and connected to the lower surface of the piezoelectric body substrate. The piezoelectric body substrate includes a first opening portion that penetrates from the upper surface to the lower surface between the plurality of groove arrays, and the flexible circuit board is led out from the lower surface to the upper surface of the piezoelectric body substrate through the first opening portion.

Abstract translation: 液体喷射头包括具有多个凹槽阵列的压电体基板，其中从上表面到下表面贯穿的喷射凹槽沿基准方向排列，设置在喷射槽的侧面上的驱动电极，以及 端子电极，设置在下表面上，并电连接到驱动电极; 以及从端子电极电连接并连接到压电体基板的下表面的柔性电路板。 压电体基板包括从多个凹槽阵列之间的上表面穿透到下表面的第一开口部，并且柔性电路板通过第一开口部从压电体基板的下表面引导到上表面 开口部分。

公开(公告)号：US20140139592A1

公开(公告)日：2014-05-22

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: B41J2/14 ,  B41J2/16

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

Abstract: A liquid jet head according to an embodiment of the present invention includes an actuator substrate having slender ejection grooves and slender non-ejection grooves partitioned by slender 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 walls on both side surfaces of the walls facing the ejection grooves, 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, and the active electrodes are provided 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: 根据本发明的实施例的液体喷射头包括具有细长喷射槽的致动器基板和由包括压电体的细长壁分隔的细长非喷射槽。 非排出槽在其一侧的端部处具有从其底面上升到其上部的上表面开口的相应倾斜表面，公共电极沿着纵向方向设置在条形的两侧表面上 面向喷射槽的壁，有源电极沿面向纵向方向的壁的形式设置在面向非喷射槽的壁的两个侧面上，并且有源电极设置在端部附近的位置 在非排出槽的一侧，在其另一侧端部。

公开(公告)号：US20190143697A1

公开(公告)日：2019-05-16

申请号：US16185945

申请日：2018-11-09

Applicant: SII Printek Inc.

Inventor： Tomoki KAMEYAMA ,  Yuki YAMAMURA ,  Daichi NISHIKAWA ,  Misaki KOBAYASHI

IPC: B41J2/165 ,  B41J2/14

Abstract: There are provided a head chip, a liquid jet head, and a liquid jet recording device capable of enhancing the reliability. The head chip according to an embodiment of the disclosure includes an actuator plate having a plurality of ejection grooves arranged side by side along a first direction, and first common electrodes respectively formed in the ejection grooves, a nozzle plate having a plurality of nozzle holes individually communicated with the plurality of ejection grooves, and a cover plate adapted to cover the actuator plate. The cover plate has a wall part adapted to cover the plurality of ejection grooves. A plurality of common interconnections electrically connected to the first common electrodes is laid around on a surface on an opposite side to the actuator plate in the wall part of the cover plate, and one of a single second common electrode and a plurality of second common electrodes on the surface on the opposite side of the wall part is formed by electrically connecting at least two or more of the common interconnections to each other on the surface on the opposite side of the wall part.

公开(公告)号：US20190143689A1

公开(公告)日：2019-05-16

申请号：US16185914

申请日：2018-11-09

Applicant: SII Printek Inc.

Inventor： Tomoki KAMEYAMA ,  Yuki YAMAMURA ,  Daichi NISHIKAWA ,  Misaki KOBAYASHI

IPC: B41J2/14 ,  B41J2/165

Abstract: A head chip, a liquid jet head, and a liquid jet recording device capable of achieving the miniaturization while enhancing the reliability are provided. The head chip according to an embodiment of the disclosure includes an actuator plate having a plurality of ejection grooves arranged side by side in a first direction, a plurality of non-ejection grooves arranged side by side along the first direction, and individual electrodes respectively formed in the plurality of non-ejection grooves, a nozzle plate having a plurality of nozzle holes individually communicated with the plurality of ejection grooves, and a cover plate adapted to cover the actuator plate. The cover plate has interconnection connecting sections respectively disposed in end part areas along a second direction perpendicular to the first direction, and adapted to electrically connect a plurality of individual interconnections electrically connected to the individual electrodes to an interconnection board outside the head chip. The plurality of individual interconnections in the interconnection connecting section has a bend part extending in an oblique direction crossing the second direction so as to circumvent a predetermined obstacle. A connection area between the plurality of individual interconnections and the interconnection board in the interconnection connecting section is an area including the bend part.

公开(公告)号：US20190143680A1

公开(公告)日：2019-05-16

申请号：US16185857

申请日：2018-11-09

Applicant: SII Printek Inc.

Inventor： Yuki YAMAMURA ,  Daichi NISHIKAWA ,  Tomoki KAMEYAMA ,  Misaki KOBAYASHI

IPC: B41J2/14

Abstract: There are provided a head chip, a liquid jet head, and a liquid jet recording device capable of improving the ejection stability. The head chip according to an embodiment of the disclosure includes an actuator plate having a plurality of ejection grooves each filled with liquid, a nozzle plate having a plurality of nozzle holes individually communicated with the plurality of ejection grooves, and a cover plate having a through hole through which the liquid flows into and/or from the ejection groove, and a wall part adapted to cover the ejection groove. A flow channel of the liquid in a part adapted to communicate the through hole and the ejection groove with each other includes a principal flow channel section, and an expanded flow channel section provided to the wall part, and adapted to increase a cross-sectional area of the flow channel.

公开(公告)号：US20190126649A1

公开(公告)日：2019-05-02

申请号：US16176572

申请日：2018-10-31

Applicant: SII Printek Inc.

Inventor： Masaru MIDORIKAWA ,  Shunsuke YAMAZAKI ,  Naohiro TOMITA ,  Shuji SATO ,  Yuki YAMAMURA

IPC: B41J29/377 ,  B41J2/175

Abstract: There are provided a liquid jet head capable of dealing with jet of a variety of types of liquid, and at the same time superior in easiness in handling. The liquid jet head includes a main body part having a liquid jet head chip and a cooling section, and an inflow side connection unit and an outflow side connection unit each configured so as to selectively be attached to and detached from the main body part. As the inflow side connection unit, it is possible to select the first inflow side cover unit and the second inflow side cover unit. As the outflow side connection unit, it is possible to select the first outflow side cover unit and the second outflow side cover unit.

公开(公告)号：US20190126620A1

公开(公告)日：2019-05-02

申请号：US16176681

申请日：2018-10-31

Applicant: SII Printek Inc.

Inventor： Yuki YAMAMURA ,  Masaru MIDORIKAWA ,  Naohiro TOMITA ,  Shunsuke YAMAZAKI ,  Emiko OSAKA ,  Shuji SATO

IPC: B41J2/16 ,  B41J2/14

Abstract: There are provided a liquid jet head and a liquid jet recording device capable of reducing the cost. A liquid jet head according to an embodiment of the disclosure includes a nozzle plate provided with a nozzle, an actuator disposed so as to be opposed to the nozzle plate, and having a channel communicated with the nozzle and an electrode disposed on a wall surface of the channel, and an adhesive layer disposed between the actuator and the nozzle plate, and including a plurality of insulating particles.

公开(公告)号：US20180333958A1

公开(公告)日：2018-11-22

申请号：US15977691

申请日：2018-05-11

Applicant: SII Printek Inc.

Inventor： Masaru MIDORIKAWA ,  Naohiro TOMITA ,  Shunsuke YAMAZAKI ,  Shuji SATO ,  Yuki YAMAMURA

IPC: B41J2/175 ,  B41J25/34 ,  B41J2/14

CPC classification number: B41J2/1752 ,  B41J2/14201 ,  B41J2/14209 ,  B41J2/1433 ,  B41J25/001 ,  B41J25/003 ,  B41J25/34 ,  B41J2002/14362 ,  B41J2202/12 ,  B41J2202/14 ,  B41J2202/19 ,  B41J2202/20 ,  F16B5/0233 ,  F16B13/066 ,  F16B13/0858 ,  F16B29/00

Abstract: A liquid ejecting head is mounted on a carriage in which a first positioning hole defined by a first inner surface is provided. The liquid ejecting head includes a first positioning member and a first intermediate member. The first intermediate member includes a first expansion portion being capable of being inserted into a first positioning hole and abutting on the first inner surface by expanding in a radial direction intersecting with an insertion direction of the first expansion portion. The first expansion portion includes a first insertion hole into which the first positioning member is inserted and expands in the radial direction by the first positioning member being inserted into the first insertion hole.

公开(公告)号：US20150035908A1

公开(公告)日：2015-02-05

申请号：US14338826

申请日：2014-07-23

Applicant: SII PRINTEK INC.

Inventor： Yoshinori DOMAE ,  Yuki YAMAMURA

IPC: B41J2/14

CPC classification number: B41J2/14209 ,  B41J2/14201 ,  B41J2002/14411 ,  B41J2202/11 ,  B41J2202/18

Abstract: The liquid jet head is provided with: a piezoelectric body substrate which includes a groove row in which ejection grooves penetrating the piezoelectric body substrate from an upper surface through a lower surface and non-ejection grooves open on the upper surface are alternately arranged in a reference direction, common drive electrodes formed on both side surfaces of each of the ejection grooves, and individual drive electrodes formed on both side surfaces of each of the non-ejection grooves; and a cover plate which is bonded to the upper surface of the piezoelectric body substrate and includes a liquid chamber communicating with the ejection grooves, first through electrodes which penetrate the cover plate in a thickness direction and are electrically connected to the individual drive electrodes, and individual terminals which are placed on a front surface opposite to the piezoelectric body substrate and electrically connected to the first through electrodes.

Abstract translation: 液体喷射头设置有：压电体基板，其包括槽排，其中从上表面穿过压电体基板的喷射槽经由下表面和在上表面上敞开的非喷射槽交替地布置在参考中 形成在每个排出槽的两个侧表面上的公共驱动电极以及形成在每个非喷射槽的两个侧表面上的各个驱动电极; 以及盖板，其接合到所述压电体基板的上表面，并且包括与所述喷射槽连通的液体室，所述第一穿透电极在厚度方向上穿透所述盖板并且电连接到所述各个驱动电极，并且 各个端子被放置在与压电体基板相对的前表面上并与第一通孔电连接。