公开(公告)号：US20210162757A1

公开(公告)日：2021-06-03

申请号：US17105083

申请日：2020-11-25

Applicant: SII PRINTEK INC.

Inventor： Masakazu HIRATA ,  Yuzuru KUBOTA ,  Yuki YAMAMURA ,  Tomoki AI

IPC: B41J2/14

Abstract: There is provided a head chip and so on capable of achieving the reduction in power consumption and the improvement in print image quality while suppressing the manufacturing cost of the head chip. The head chip according to an embodiment of the present disclosure includes an actuator plate having a plurality of ejection grooves and a plurality of electrodes, a nozzle plate having a plurality of nozzle holes, and a cover plate having a wall part, a first through hole, and a second through hole. The plurality of nozzle holes includes a plurality of first nozzle holes arranged so as to be shifted toward the first through hole, and a plurality of second nozzle holes arranged so as to be shifted toward the second through hole. In a first ejection groove communicated with the first nozzle hole, a first cross-sectional area of a part communicated with the first through hole is smaller than a second cross-sectional area of a part communicated with the second through hole. Positions of both ends of the electrode along the extending direction of the ejection grooves are each aligned in the plurality of electrodes along a predetermined direction.

公开(公告)号：US20180222209A1

公开(公告)日：2018-08-09

申请号：US15883859

申请日：2018-01-30

Applicant: SII Printek Inc.

Inventor： Yuzuru KUBOTA ,  Daiki IROKAWA ,  Eriko MAEDA

IPC: B41J2/18 ,  B41J2/14 ,  B41J2/16

CPC classification number: B41J2/18 ,  B41J2/14201 ,  B41J2/14209 ,  B41J2/1433 ,  B41J2/1607 ,  B41J2/1609 ,  B41J2/1623 ,  B41J2/1626 ,  B41J2/1631 ,  B41J2/1632 ,  B41J2/1635 ,  B41J2/1642 ,  B41J2/1643 ,  B41J2/17509 ,  B41J2002/14419 ,  B41J2002/14491 ,  B41J2202/12

Abstract: According to an embodiment, a member is formed by being cut from a parent material, and has a cut surface. The member includes a base material and a filler. The base material is included in the parent material. The filler is buried in a space provided in the parent material and has cuttability which is better than that of the base material. The base material and the filler are exposed to the cut surface together.

公开(公告)号：US20140192115A1

公开(公告)日：2014-07-10

申请号：US14149590

申请日：2014-01-07

Applicant: SII PRINTEK INC.

Inventor： Makoto SUZUKI ,  Yuzuru KUBOTA

IPC: B41J2/045

CPC classification number: B41J2/14209 ,  B41J2002/14491

Abstract: The liquid jet head includes an ejecting portion which has a first head chip and a second chip which are laminated with each other, a circuit board which outputs a drive signal for driving the ejecting portion, a first connection board which electrically connects the first head chip and the circuit board to each other, and a second connection board which electrically connects the second head chip and the circuit board to each other. A bend portion is provided in the circuit board. By bending the circuit board at the bend portion, the first electrode terminal portion and the second electrode terminal portion are made to extend in the same direction, and face each other in the lamination direction of the first head chip and the second head chip.

Abstract translation: 液体喷射头包括具有彼此层叠的第一头芯片和第二芯片的喷射部，输出用于驱动喷射部的驱动信号的电路板，将第一头芯片 和电路板彼此之间，以及将第二磁头芯片和电路板彼此电连接的第二连接板。 弯曲部分设置在电路板中。 通过在弯曲部弯曲电路板，使第一电极端子部和第二电极端子部沿相同的方向延伸，并且在第一磁头芯片和第二磁头芯片的层叠方向上彼此面对。

公开(公告)号：US20140168320A1

公开(公告)日：2014-06-19

申请号：US14099434

申请日：2013-12-06

Applicant: SII PRINTEK INC.

Inventor： Satoshi HORIGUCHI ,  Yuzuru KUBOTA

IPC: B41J2/14 ,  B41J2/16

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

Abstract: A liquid jet head 1 including: an actuator substrate 2 having a plurality of elongated grooves 6 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 22 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.

Abstract translation: 一种液体喷射头1，包括：致动器基板2，具有从上表面到下表面排列的多个细长槽6。 所述凹槽由致动器基板的一侧的周边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所述下表面向所述上表面上升的各倾斜面22 并且倾斜面和下表面交叉的交叉部分处的交叉角在3度至80度的范围内。

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：US20230129119A1

公开(公告)日：2023-04-27

申请号：US17971222

申请日：2022-10-21

Applicant: SII Printek Inc.

Inventor： Yuzuru KUBOTA

IPC: B41J2/14 ,  B41J25/304

Abstract: The area necessary to install the liquid jet head to be positioned by a positioning mechanism is reduced. An inkjet head is provided with a head main body for jetting ink, a base member which supports the head main body, and is installed on an installation surface of a carriage, and a positioning mechanism which adjusts a position of the base member in a direction along the installation surface with respect to a positioning pin disposed on the installation surface, wherein the positioning mechanism is supported by the base member, and at least a part of the positioning mechanism is arranged inside an outer shape of the base member in a plan view of the installation surface viewed from a vertical direction thereof.

公开(公告)号：US20200147959A1

公开(公告)日：2020-05-14

申请号：US16675970

申请日：2019-11-06

Applicant: SII Printek Inc.

Inventor： Yuzuru KUBOTA ,  Yuji NAKAMURA ,  Satoshi HORIGUCHI

IPC: B41J2/14

Abstract: A liquid jet head chip capable of exerting an excellent ejection performance while having a compact configuration is provided. The liquid jet head chip is provided with an actuator plate, a common electrode, a common electrode pad for external connection, a cover plate, and a sealing plate. The actuator plate has an obverse surface, a reverse surface, and an ejection channel penetrating in a thickness direction and extending in a first direction perpendicular to the thickness direction. The common electrode is disposed on an inner surface of the ejection channel. The common electrode pad is disposed in an end part region in the first direction out of the reverse surface, and is coupled to the common electrode. The cover plate is disposed so as to be opposed to the obverse surface of the actuator plate, and has a liquid flow hole opposed to the ejection channel. The sealing plate is disposed so as to be opposed to a channel formation region other than the end part region out of the reverse surface of the actuator plate, and closes the ejection channel.

公开(公告)号：US20140218444A1

公开(公告)日：2014-08-07

申请号：US14156606

申请日：2014-01-16

Applicant: SII PRINTEK INC.

Inventor： Toshihiko HARAJIRI ,  Yuzuru KUBOTA ,  Satoshi HORIGUCHI

IPC: B41J2/14 ,  B41J2/16

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

Abstract: Individual electrode pads to be connected to individual electrodes are formed on a first principal face of an actuator substrate at a +X side end thereof. Common electrode pads to be connected to common electrodes are formed on a −X side with respect to the individual electrode pads on the first principal face of the actuator substrate. A groove is formed along a Y direction between the individual electrode pads and the common electrode pads on the first principal face of the actuator substrate.

Abstract translation: 要连接到各个电极的单个电极焊盘在其+ X侧端处在致动器基板的第一主面上形成。 要连接到公共电极的公共电极焊盘相对于致动器基板的第一主面上的各个电极焊盘形成在-X侧上。 在各个电极焊盘与致动器基板的第一主面上的公共电极焊盘之间沿Y方向形成凹槽。

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。