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：US20140184697A1

公开(公告)日：2014-07-03

申请号：US14103904

申请日：2013-12-12

Applicant: SII PRINTEK INC.

Inventor： Yoshinori DOMAE

IPC: B41J2/14

CPC classification number: B41J2/14209 ,  B41J2202/12

Abstract: The liquid jet head includes a nozzle guard as a liquid storage unit configured to store the residual liquid attaching to the nozzle plate. Channel lines include a dummy channel incapable of driving. Liquid is supplied into the dummy channel while being brought to a negative pressure. The nozzle plate includes a dummy nozzle hole communicated with the dummy channel. The dummy nozzle hole is formed at a position to aspirate the residual liquid stored using the nozzle guard.

Abstract translation: 液体喷射头包括作为液体存储单元的喷嘴保护器，其构造成存储附着到喷嘴板的残留液体。 通道线包括不能驾驶的虚拟通道。 在进入负压的同时将液体供给到虚拟通道。 喷嘴板包括与虚拟通道连通的虚拟喷嘴孔。 虚拟喷嘴孔形成在吸引使用喷嘴护罩储存的残留液体的位置。

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：US20140125740A1

公开(公告)日：2014-05-08

申请号：US14065872

申请日：2013-10-29

Applicant: SII PRINTEK INC.

Inventor： Yoshinori DOMAE ,  Yuzuru KUBOTA ,  Satoshi HORIGUCHI

IPC: B41J2/175

CPC classification number: B41J2/14209 ,  B41J2/1609 ,  B41J2/18 ,  B41J2202/12

Abstract: A liquid jet head according to an embodiment of the present invention includes an actuator substrate formed by arraying a plurality of grooves, which penetrates from an upper surface to a lower surface of the actuator substrate and is long in a surface direction, a cover plate provided at the actuator substrate so as to cover an upper surface opening of the groove, and a nozzle plate provided at the actuator substrate so as to cover a lower surface opening of the groove. The groove includes an ejection groove and a non-ejection groove which are alternately arrayed, and is formed in such a manner that configurations of the lower surface openings of the ejection groove and the non-ejection groove are different.

Abstract translation: 根据本发明实施例的液体喷射头包括致动器基板，其通过排列从致动器基板的上表面到下表面穿透并且在表面方向上长的多个凹槽来形成，所述盖板设置 在所述致动器基板上，以覆盖所述槽的上表面开口;以及喷嘴板，设置在所述致动器基板处以覆盖所述槽的下表面开口。 沟槽包括交替排列的排出槽和非排出槽，并且以这样的方式形成：排出槽和非排出槽的下表面开口的构造不同。

公开(公告)号：US20150258781A1

公开(公告)日：2015-09-17

申请号：US14644270

申请日：2015-03-11

Applicant: SII PRINTEK INC.

Inventor： Yoshinori DOMAE

IPC: B41J2/045

CPC classification number: B41J2/04588 ,  B41J2/04581 ,  B41J2/14209 ,  B41J2202/08 ,  B41J2202/12

Abstract: A liquid jet head includes: a head portion including a supply flow path configured to allow liquid supplied from the outside to flow therethrough, a pressure chamber communicating with the supply flow path, a driver element configured to drive the pressure chamber, and a nozzle communicating with the pressure chamber, the head portion being configured to eject liquid droplets through the nozzle; a circuit portion configured to supply a drive waveform to the driver element; and a cooling portion including a cooling flow path configured to allow the liquid to flow therethrough, the cooling portion being coupled and fixed to the circuit portion, wherein the liquid flows through the supply flow path and through the cooling flow path in parallel.

Abstract translation: 液体喷射头包括：头部，包括供给流路，该供给流路构造成允许从外部供应的液体流过其中;与供给流路连通的压力室，构造成驱动压力室的驱动元件，以及连通 在压力室中，头部构造成通过喷嘴喷射液滴; 电路部分，被配置为向驱动器元件提供驱动波形; 以及冷却部，其包括构造成允许液体流过其中的冷却流路，所述冷却部分联接并固定到所述电路部分，其中所述液体流过所述供应流动路径并且平行通过所述冷却流动路径。

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。

公开(公告)号：US20140125741A1

公开(公告)日：2014-05-08

申请号：US14065890

申请日：2013-10-29

Applicant: SII PRINTEK INC.

Inventor： Satoshi HORIGUCHI ,  Yuki YAMAMURA ,  Yuzuru KUBOTA ,  Yoshinori DOMAE ,  Masatoshi TODA ,  Masao TACHIBANA

IPC: B41J2/175

CPC classification number: B41J2/14209

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20140118448A1

公开(公告)日：2014-05-01

申请号：US14062003

申请日：2013-10-24

Applicant: SII Printek Inc.

Inventor： Yoshinori DOMAE

IPC: B41J2/18

CPC classification number: B41J2/18

Abstract: A liquid jet unit is provided with a circulation path through which liquid is circulated, a liquid jet head which includes an inflow port, an outflow port and a flow path between the inflow port and the outflow port, the flow path constituting a part of the circulation path, and ejects liquid from a nozzle communicating with the flow path, a liquid pump which circulates liquid in the circulation path, a supply path which supplies liquid to the circulation path, and a pressure sensor which generates pressure information according to the pressure of liquid in the circulation path. The liquid pump changes the amount of liquid to be fed on the basis of the pressure information to maintain liquid in the nozzle at a predetermined pressure and draw liquid into the circulation path from the supply path.

Abstract translation: 液体喷射单元设置有循环通道的循环路径，包括流入口，流出口和流入口与流出口之间的流路的液体喷射头，构成流体的一部分的流路 循环路径，从与流路连通的喷嘴喷出液体，将循环路径中的液体循环的液体泵，向循环路径供给液体的供给路径，以及根据压力信息生成压力信息的压力传感器 液体在循环路径中。 液体泵基于压力信息改变要供给的液体量，以将喷嘴中的液体保持在预定压力，并将液体从供给路径吸入循环路径。

公开(公告)号：US20130271529A1

公开(公告)日：2013-10-17

申请号：US13845655

申请日：2013-03-18

Applicant: SII PRINTEK INC.

Inventor： Yoshinori DOMAE ,  Yuki YAMAMURA

IPC: B41J2/145

CPC classification number: B41J2/145 ,  B41J2/14209 ,  B41J2202/12

Abstract: Provided are a head chip, a liquid jet head, and a liquid jet recording apparatus, which can reduce the effect on image quality due to difference in volume of jetted liquid caused by pressure loss of the liquid during the liquid is in the process of circulating through a liquid flow path. The head chip includes first and second circulation paths (21a and 21b) extending along the longitudinal direction of the head chip so as to communicate to portions of a plurality of liquid jet channels, which are away from nozzle holes on an upstream side. The first and second circulation paths (21a and 21b) enable liquid to flow, the liquid being supplied to the plurality of liquid jet channels, and form liquid flows which are symmetrical with each other in the longitudinal direction of the head chip.

Abstract translation: 提供一种头片，液体喷射头和液体喷射记录装置，其可以降低由液体中的液体的压力损失引起的喷射液体体积的差异对图像质量的影响在循环过程中 通过液体流路。 头芯片包括沿着头芯片的纵向方向延伸的第一和第二循环路径（21a和21b），以便与多个液体喷射通道的远离上游侧的喷嘴孔的部分连通。 第一和第二循环路径（21a和21b）使得液体流动，液体被供应到多个液体喷射通道，并形成在头部芯片的纵向方向上彼此对称的液体流。