公开(公告)号：US20150251422A1

公开(公告)日：2015-09-10

申请号：US14620951

申请日：2015-02-12

Applicant: SII PRINTEK INC.

Inventor： Yoshinori DOMAE

IPC: B41J2/14

CPC classification number: B41J2/14201 ,  B41J2/14209 ,  B41J2002/14491

Abstract: A liquid jet head includes a side wall installed between channels, and in which two piezoelectric materials having mutually different polarization directions are laminated in a height direction, interposing a polarization boundary, an upper member fixed to an upper end of the side wall and installed on an upper portion of the channel, a lower member fixed to a lower end of the side wall and installed on a lower portion of the channel, and an electrode installed on a wall surface of the side wall, wherein the polarization boundary is positioned above ½ the height of the side wall, and the electrode is installed from an upper end of the wall surface, to a vicinity of the polarization boundary, or below the polarization boundary and above a lower end of the wall surface.

Abstract translation: 液体喷射头包括安装在通道之间的侧壁，其中具有彼此不同的偏振方向的两个压电材料在高度方向上层叠，插入偏振边界，固定到侧壁上端的上部件安装在 通道的上部，固定到侧壁的下端并安装在通道的下部的下部构件和安装在侧壁的壁表面上的电极，其中偏振边界位于½ 侧壁的高度和电极从壁表面的上端，偏振边界附近或偏振边界的下方以及壁表面的下端之上安装。

公开(公告)号：US20140267500A1

公开(公告)日：2014-09-18

申请号：US14199657

申请日：2014-03-06

Applicant: SII PRINTEK INC.

Inventor： Yoshinori DOMAE

IPC: B41J2/045

CPC classification number: B41J2/045 ,  B41J2/14209 ,  B41J2002/14419 ,  B41J2202/12

Abstract: A liquid jet head is provided with: a nozzle plate which includes a nozzle array having a plurality of nozzle holes arranged side by side along a Y direction; an actuator plate which is laminated on the nozzle plate and includes a channel group having a plurality of first channels communicating with the nozzle holes, the first channels being arranged in parallel at intervals along the Y direction; and an inlet ink chamber and an outlet ink chamber both communicating with the first channels on opposite ends in an extending direction of the first channels. A film member which can be warp-deformed along with pressure fluctuation inside the inlet ink chamber and the outlet ink chamber is arranged as a part of inner surfaces of each of the inlet ink chamber and the outlet ink chamber.

Abstract translation: 一种液体喷射头设置有：喷嘴板，其包括具有沿Y方向并排布置的多个喷嘴孔的喷嘴阵列; 致动器板，层压在喷嘴板上，并且包括具有与喷嘴孔连通的多个第一通道的通道组，第一通道沿Y方向间隔设置; 以及在第一通道的延伸方向上的相对端上与第一通道连通的入口墨水室和出口墨水室。 入口墨室和出口墨室内的压力波动可以翘曲变形的薄膜构件被布置为每个入口墨室和出口墨室的内表面的一部分。

公开(公告)号：US20130169717A1

公开(公告)日：2013-07-04

申请号：US13713055

申请日：2012-12-13

Applicant: SII PRINTEK INC.

Inventor： Yoshinori DOMAE ,  Osamu KOSEKI ,  Yuki YAMAMURA ,  Yuzuru KUBOTA ,  Satoshi HORIGUCHI

IPC: B41J2/175

CPC classification number: B41J2/175 ,  B41J2/14209 ,  B41J2002/14419 ,  B41J2202/11 ,  B41J2202/12

Abstract: To prevent deterioration of an ejection characteristic, which is caused by adhesion of an air bubble mixed in liquid to channels (6) and slits (13) communicated therewith, provided is a liquid jet head, including: a supply port (2) through which liquid is supplied; a discharge port (3) through which the liquid is discharged; a liquid supply chamber (4) communicated with the supply port (2); a liquid discharge chamber (5) communicated with the discharge port (3); a channel row (7) forced of a plurality of channels (6), which are provided in parallel between the liquid supply chamber (4) and the liquid discharge chamber (5) and communicated with the liquid supply chamber (4) and the liquid discharge chamber (5); and a communication path (9) for bypassing the liquid from the liquid supply chamber (4) to the liquid discharge chamber (5). An air bubble is removed outside via the communication path (9).

Abstract translation: 为了防止由混合在液体中的气泡与通道（6）和与其连通的狭缝（13）的气泡的粘附引起的喷射特性的劣化，是一种液体喷射头，包括：供给口（2） 供应液体; 排出口（3），液体通过该排出口排出; 与所述供应口（2）连通的液体供应室（4）; 与排出口（3）连通的液体排出室（5）; 设置在液体供给室（4）和液体排出室（5）之间并与液体供给室（4）连通的多个通道（6）的通道排（7） 放电室（5）; 以及用于将液体从液体供给室（4）旁通到液体排出室（5）的连通路径（9）。 通过通信路径（9）将气泡除去。

公开(公告)号：US20150029269A1

公开(公告)日：2015-01-29

申请号：US14332801

申请日：2014-07-16

Applicant: SII PRINTEK INC.

Inventor： Yoshinori DOMAE

IPC: B41J2/14 ,  B41J2/16

CPC classification number: B41J2/14201 ,  B41J2/14209 ,  B41J2/1607 ,  B41J2/1609 ,  B41J2/1623 ,  B41J2/1631 ,  B41J2/1632 ,  B41J2002/14411 ,  B41J2202/12 ,  Y10T29/42

Abstract: The liquid jet head is provided with a piezoelectric substrate having a plurality of groove rows in each of which elongated ejection grooves and elongated non-ejection grooves are alternately arranged in a reference direction. In adjacent ones of the groove rows, ends on a second side of ejection grooves included in a groove row located on a first side and ends on the first side of non-ejection grooves included in a groove row located on the second side are separated from each other, and overlap each other in a thickness direction of the piezoelectric substrate.

Abstract translation: 液体喷射头设置有具有多个槽排的压电基板，每个槽列中的每个细长的喷射槽和细长的非喷射槽沿参考方向交替布置。 在相邻的槽排中，包括在位于第二侧上的凹槽排中包括的非排出槽的第一侧和第一侧上的凹槽排中的排出槽的第二侧上的端部分离 彼此重叠，并且在压电基板的厚度方向上彼此重叠。

公开(公告)号：US20150022594A1

公开(公告)日：2015-01-22

申请号：US14327029

申请日：2014-07-09

Applicant: SII PRINTEK INC.

Inventor： Yoshinori DOMAE

IPC: B41J2/14

CPC classification number: B41J2/14201 ,  B41J2/14209 ,  B41J2/1433 ,  B41J2/1609 ,  B41J2/1623 ,  B41J2/1631 ,  B41J2/1632 ,  B41J2202/12 ,  Y10T29/42

Abstract: A liquid jet head includes a piezoelectric body substrate on which ejection grooves penetrating from an upper surface to a lower surface and non-ejection grooves open on the lower surface are alternately arranged in a reference direction and form a groove row, a cover plate that includes a liquid chamber communicating with the ejection grooves and is bonded on the upper surface of the piezoelectric body substrate, a nozzle plate that includes nozzles communicating with the ejection grooves and is bonded on the lower surface of the piezoelectric body substrate. Common drive electrodes are installed on side surfaces of the ejection grooves, which are on the lower-surface side from nearly 1/2 of a thickness of the piezoelectric body substrate, and individual drive electrodes are installed on side surfaces of the non-ejection grooves, which are on the lower-surface side from nearly 1/2 of a thickness of the piezoelectric body substrate.

Abstract translation: 一种液体喷射头，包括：压电体基板，从上表面向下表面贯穿的喷出槽和在下表面开放的不喷出槽沿基准方向交替配置，形成槽排，盖板包括 与喷射槽连通的液体室，与压电体基板的上表面接合，喷嘴板包括与喷出槽连通并与压电体基板的下表面接合的喷嘴。 普通的驱动电极安装在从压电体基板的厚度的大约1/2的下表面侧的喷射槽的侧面上，各个驱动电极安装在非喷射槽的侧面 在压电体基板的厚度的近1/2的下表面侧。

公开(公告)号：US20140184678A1

公开(公告)日：2014-07-03

申请号：US14103908

申请日：2013-12-12

Applicant: SII PRINTEK INC.

Inventor： Yoshinori DOMAE

IPC: B41J2/14 ,  B41J2/16

CPC classification number: B41J2/162 ,  B41J2/14209 ,  B41J2/1609 ,  B41J2/1623 ,  B41J2/1631 ,  B41J2/1632 ,  Y10T29/49401

Abstract: In a head chip, a cover plate includes a positioning reference provided at a position facing at least one of nozzle holes through at least one liquid jet channel. The positioning reference can be detected from underneath the nozzle plate through the nozzle hole and the liquid jet channel. A method of manufacturing the head chip includes a positioning step for positioning the nozzle plate by detecting the positioning reference provided in the cover plate.

Abstract translation: 在头部芯片中，盖板包括设置在通过至少一个液体喷射通道面向至少一个喷嘴孔的位置处的定位基准。 可以通过喷嘴孔和液体喷射通道从喷嘴板的下方检测定位参考。 制造头部芯片的方法包括定位步骤，用于通过检测设置在盖板中的定位参考来定位喷嘴板。

公开(公告)号：US20140168321A1

公开(公告)日：2014-06-19

申请号：US14103900

申请日：2013-12-12

Applicant: SII PRINTEK INC.

Inventor： Yoshinori DOMAE

IPC: B41J2/14 ,  B41J2/16

CPC classification number: B41J2/161 ,  B41J2/14209 ,  B41J2002/14491 ,  Y10T29/49401

Abstract: The liquid jet head includes an actuator substrate on which a plurality of grooves is arranged, and a nozzle plate having nozzle holes communicated with the grooves. Drive electrodes extending in an X direction and insulating films covering a part of both side surfaces of a wall portion are installed on both of the side surfaces of the wall portion. Each of the drive electrodes are installed on the surface of the wall portion around the nozzle hole 11 and holds the insulating films with the wall portion at both of the X-direction ends.

Abstract translation: 液体喷射头包括其上布置有多个槽的致动器基板和具有与槽连通的喷嘴孔的喷嘴板。 沿着X方向延伸的驱动电极和覆盖壁部的两个侧面的一部分的绝缘膜安装在壁部的两侧面上。 每个驱动电极安装在围绕喷嘴孔11的壁部的表面上，并且在两个X方向的端部处保持具有壁部的绝缘膜。

公开(公告)号：US20140139593A1

公开(公告)日：2014-05-22

申请号：US14075024

申请日：2013-11-08

Applicant: SII PRINTEK INC.

Inventor： Satoshi HORIGUCHI ,  Yuzuru KUBOTA ,  Yoshinori DOMAE

IPC: B41J2/16 ,  B41J2/14

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：US20170087840A1

公开(公告)日：2017-03-30

申请号：US15273308

申请日：2016-09-22

Applicant: SII Printek Inc.

Inventor： Daichi NISHIKAWA ,  Yoshinori DOMAE

IPC: B41J2/14

CPC classification number: B41J2/14201 ,  B41J2/14209 ,  B41J2002/14491

Abstract: A liquid jet head includes ejection channels which extend in a channel extending direction and are filled with ink, dummy channels which extend in the channel extending direction and are not filled with ink, and a nozzle plate which is laminated on an actuator plate and includes nozzle holes each communicating with the corresponding ejection channel at a central part in the channel extending direction of the ejection channel. The actuator plate includes a first channel row and a second channel row each of which includes the ejection channels and the dummy channels alternately arranged side by side in the X direction, the first and second channel rows being spaced apart in the channel extending direction. The ejection channel and the dummy channel are each symmetric with respect to a plane that passes through the center in the channel extending direction and perpendicular to the channel extending direction.

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。