公开(公告)号：US20130187989A1

公开(公告)日：2013-07-25

申请号：US13737016

申请日：2013-01-09

Applicant: SII PRINTEK INC.

Inventor： Osamu KOSEKI

IPC: B41J2/14

CPC classification number: B41J2/14201 ,  B41J2/14209 ,  B41J2002/14403 ,  B41J2002/14491 ,  B41J2202/12 ,  B41J2202/20

Abstract: Provided is a liquid jet head (1), including a plurality of head chips (2) each including an actuator portion (3) and a nozzle plate (4). The actuator portion (3) includes: a filter (7); a first liquid chamber (5) communicating to a downstream side of the filter (7); a channel (8) communicating to the first liquid chamber (5), for inducing pressure on liquid therein; and an electrode terminal (10) for transmitting a drive signal to the channel (8). The head chips (2) each include the nozzle plate (4) bonded to a first end face (F1) of each actuator portion (3). The nozzle plates (4) are provided so that surfaces thereof flush with one another. This enables inspection of the respective head chips (2) before the respective head chips (2) are laminated and assembled, so that only head chips which have passed inspection can be laminated and assembled.

Abstract translation: 提供一种液体喷射头（1），其包括多个头部芯片（2），每个头部芯片包括致动器部分（3）和喷嘴板（4）。 致动器部分（3）包括：过滤器（7）; 与过滤器（7）的下游侧连通的第一液体室（5）; 与第一液体室（5）连通的通道（8），用于对其中的液体施加压力; 以及用于将驱动信号发送到所述通道（8）的电极端子（10）。 头芯片（2）各自包括结合到每个致动器部分（3）的第一端面（F1）的喷嘴板（4）。 喷嘴板（4）设置成使得其表面彼此齐平。 这样可以在相应的头部芯片（2）层压和组装之前对相应的头部芯片（2）进行检查，从而只有通过检查的头部芯片可以被层叠和组装。

公开(公告)号：US20130182043A1

公开(公告)日：2013-07-18

申请号：US13719436

申请日：2012-12-19

Applicant: SII PRINTEK INC.

Inventor： Osamu KOSEKI

IPC: B41J2/16 ,  B41J2/14

CPC classification number: B41J2/1607 ,  B41J2/14201 ,  B41J2/14209 ,  B41J2/1609 ,  B41J2/1623 ,  B41J2/1631 ,  B41J2/1632 ,  B41J2002/14491 ,  B41J2202/12 ,  Y10T29/49401

Abstract: The liquid jet head (1) has an actuator portion (2). The actuator portion includes a first recessed portion (6), a second recessed portion (7) formed at a distance therefrom, a channel row (9) provided between the first recessed portion and the second recessed portion, the channel row including a plurality of channels (8) arranged therein, the plurality of channels each having one end portion opened to the first recessed portion and the other end portion opened to the second recessed portion, and an electrode terminal row (11) including a plurality of electrode terminals (10) provided on a front surface on an outer peripheral side with respect to the second recessed portion or the first recessed portion, the electrode terminals transmitting a drive signal to the channel row. The electrode terminals for connection to an outside circuit are formed on a side opposite to a liquid droplet ejection side.

Abstract translation: 液体喷射头（1）具有致动器部分（2）。 致动器部分包括第一凹部（6），与其成一定距离形成的第二凹部（7），设置在第一凹部与第二凹部之间的通道列（9），通道列包括多个 通道（8），所述多个通道各自具有向第一凹部开口的一个端部，而向第二凹部开口的另一端部以及包括多个电极端子（10）的电极端子排（11） ）设置在相对于第二凹部或第一凹部的外周侧的前表面上，电极端子向通道列传送驱动信号。 用于连接到外部电路的电极端子形成在与液滴喷射侧相反的一侧。

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：US20130187986A1

公开(公告)日：2013-07-25

申请号：US13719313

申请日：2012-12-19

Applicant: SII Printek Inc.

Inventor： Osamu KOSEKI

IPC: B41J2/14 ,  H01L21/64

CPC classification number: B41J2/1433 ,  B41J2/14209 ,  B41J2/145 ,  B41J2/1609 ,  B41J2/1631 ,  B41J2/1646 ,  B41J2002/14491 ,  B41J2202/11 ,  H01L21/64

Abstract: A liquid jet head (1) has an actuator portion (2). The actuator portion includes: a first recessed portion (6), left and right second recessed portions (7L, 7R) formed at a distance from the first recessed portion and provided so as to sandwich the first recessed portion therebetween; and left and right channel rows (9L, 9R) provided between the first recessed portion and the left and right second recessed portions, respectively, the left and right channel rows each including a plurality of channels arrayed therein, the plurality of channels each having one end portion opened to the first recessed portion and another end portion opened to one of the left and right second recessed portions. The left channel row (9L) and the right channel row (9R) are offset in a row direction by ½ of a channel pitch.

Abstract translation: 液体喷射头（1）具有致动器部分（2）。 所述致动器部包括：第一凹部（6），与所述第一凹部间隔一定距离地形成的左右的第二凹部（7L，7R），设置成将所述第一凹部夹在其间; 以及分别设置在第一凹部和左右第二凹部之间的左右通道列（9L，9R），每个包括排列在其中的多个通道的左右通道行，多个通道各自具有一个 向第一凹部开口的端部，向左右第二凹部中的一方开口的另一端部。 左通道列（9L）和右通道列（9R）在行方向上偏移通道间距的1/2。

公开(公告)号：US20130271531A1

公开(公告)日：2013-10-17

申请号：US13846559

申请日：2013-03-18

Applicant: SII PRINTEK INC.

Inventor： Osamu KOSEKI

IPC: B41J2/16 ,  B41J2/14 ,  B29D99/00

CPC classification number: B41J2/1607 ,  B29D99/00 ,  B41J2/14201 ,  B41J2/14209 ,  B41J2/1609 ,  B41J2/1623 ,  B41J2/1632 ,  B41J2/1642 ,  B41J2/1643 ,  B41J2/1646 ,  B41J2002/14491 ,  Y10T29/49401

Abstract: Manufacturing a liquid jet-head (1) by forming an electrode pattern by grinding method after a conductive film (8) is formed, provided is method of manufacturing the liquid jet-head, including: forming terminal region on top surface of an actuator substrate (2) in the vicinity of rear end; forming a plurality of ejection grooves (4) arranged in parallel to each other from front end toward the terminal region; forming a shallow groove in the terminal region; forming the conductive film on the top surface, side surface and bottom surface of each of the ejection grooves, and side surface and bottom surface of the shallow groove (6); grinding and removing the conductive film formed on the top surface; bonding a cover plate (10) while exposing the terminal region and covering the ejection grooves; and adhering a nozzle plate (12) to side surface of the actuator substrate, at which the ejection grooves are opened.

Abstract translation: 通过在形成导电膜（8）之后通过研磨法形成电极图案来制造液体喷射头（1），提供了制造液体喷射头的方法，包括：在致动器基板的顶表面上形成端子区域 （2）在后端附近; 形成从前端朝向端子区域彼此平行布置的多个喷射槽（4）; 在末端区域形成浅槽; 在每个喷射槽的顶表面，侧表面和底表面以及浅槽（6）的侧表面和底表面上形成导电膜; 研磨和去除形成在顶表面上的导电膜; 在暴露所述端子区域并覆盖所述喷射槽的同时接合盖板（10）; 并将喷嘴板（12）粘合到致动器基板的打开排出槽的侧表面。