公开(公告)号：US20230142135A1

公开(公告)日：2023-05-11

申请号：US17983268

申请日：2022-11-08

Applicant: SII Printek Inc.

Inventor： Takayuki SHIMIZU ,  Masakazu HIRATA

IPC: B41J2/14

CPC classification number: B41J2/14201 ,  B41J2002/14362 ,  B41J2002/14491

Abstract: A jet parameter generation system according to an embodiment of the present disclosure includes a data acquisition section, and a parameter generation section for generating a predetermined jet parameter, using a predetermined analytical method of taking a predetermined input parameter as an explanatory variable and taking a predetermined jet parameter as an objective variable. The parameter generation section determines which one of a first standard for setting a voltage value with which a drop volume of the liquid to be a reference is obtained and a second standard for setting a voltage value with which an ejection speed of the liquid to be a reference is obtained is to be selected, selects a first explanatory variable group when determining to select the first standard, while selecting a second explanatory variable group when determined to select the second standard, and uses the predetermined analytical method using just selected one of the first explanatory variable group and the second explanatory variable group to thereby generate the predetermined jet parameter.

公开(公告)号：US11491787B2

公开(公告)日：2022-11-08

申请号：US17102723

申请日：2020-11-24

Applicant: SII PRINTEK INC.

Inventor： Tomoki Ai ,  Yuki Yamamura ,  Masakazu Hirata ,  Kenji Suzuki

IPC: B41J2/14 ,  B41J2/155

Abstract: There are provided a head chip and so on capable of improving the print image quality. The head chip according to an embodiment of the present disclosure is provided with an actuator plate having a plurality of ejection grooves and a nozzle plate having a plurality of nozzle holes individually communicated with the plurality of ejection grooves. The plurality of ejection grooves is arranged side by side so as to at least partially overlap each other along a predetermined direction. Further, the nozzle holes adjacent to each other along the predetermined direction out of the plurality of nozzle holes are arranged so as to be shifted from each other along an extending direction of the ejection grooves in the nozzle plate.

公开(公告)号：US20220161557A1

公开(公告)日：2022-05-26

申请号：US17523605

申请日：2021-11-10

Applicant: SII PRINTEK INC.

Inventor： Yuzuru KUBOTA ,  Satoshi HORIGUCHI ,  Tomoaki HOSHI

IPC: B41J2/14 ,  B41J2/16

Abstract: There are provided a head chip, a liquid jet head, a liquid jet recording device, and a method of manufacturing the head chip each capable of preventing the short circuit of electrodes by ink to maintain an excellent ejection performance over a long period of time. The head chip according to an aspect of the present disclosure includes an actuator plate, a cover plate, and an intermediate plate. In the actuator plate, open apertures which communicate an inside and an outside of a non-ejection channel with each other are formed in both end portions of the non-ejection channel in a Y direction. In the actuator plate, open apertures which communicate an inside and an outside of a non-ejection channel with each other are formed in both end portions of the non-ejection channel in the Y direction.

公开(公告)号：US20220097361A1

公开(公告)日：2022-03-31

申请号：US17478181

申请日：2021-09-17

Applicant: SII PRINTEK INC.

Inventor： Kensuke YOSHIDA

IPC: B41J2/045

Abstract: A liquid jet head and so on capable of reducing both of a manufacturing cost and power consumption are provided. The liquid jet head according to an embodiment of the present disclosure is provided with a jet section and at least one drive board. The drive board is provided with a first input terminal and a second input terminal, a plurality of drive devices, a plurality of transmission lines, and a plurality of terminal resistors. The drive devices each have a first input/output section and a second input/output section. The plurality of drive devices include a first drive device and a second drive device. The plurality of transmission lines include a first transmission line, a second transmission line, and at least one third transmission line. The plurality of termination resistors include a first termination resistor, a second termination resistor, and a third termination resistor.

公开(公告)号：US11072176B2

公开(公告)日：2021-07-27

申请号：US16675608

申请日：2019-11-06

Applicant: SII Printek Inc.

Inventor： Hitoshi Nakayama ,  Yuji Nakamura ,  Yuki Yamamura ,  Mizuki Kudo

IPC: B41J2/16 ,  B41J2/14 ,  B41J2/165

Abstract: A liquid jet head chip capable of exerting a stable ejection performance is provided. The liquid jet head chip is provided with an actuator plate and an electrode. The actuator plate has an obverse surface, a reverse surface, and two or more ejection channels which penetrate the actuator plate in a thickness direction from the obverse surface toward the reverse surface, which are disposed so as to be adjacent to each other at intervals in a first direction perpendicular to the thickness direction, and which are disposed so as to extend in a second direction perpendicular to both of the thickness direction and the first direction. The electrode is disposed on an inner surface of the ejection channel, and includes a first electrode part covering the inner surface of the ejection channel continuously from the obverse surface toward the reverse surface, and a second electrode part covering the inner surface of the ejection channel continuously from the reverse surface toward the obverse surface, and overlapping at least a part of the first electrode part.

公开(公告)号：US20210187950A1

公开(公告)日：2021-06-24

申请号：US17123393

申请日：2020-12-16

Applicant: SII PRINTEK INC.

Inventor： Suguru Munakata ,  Daichi Nishikawa ,  Yuzuru Kubota ,  Yuki Yamamura ,  Yuji Nakamura

IPC: B41J2/16

Abstract: Isolation between electrodes is ensured to enhance resistance to a liquid. A conductive film is provided to a surface of a piezoelectric substrate, and laser processing is performed in a groove extending direction on the conductive film between a first groove and a second groove provided to the piezoelectric substrate to thereby form a laser processing area where the conductive film is removed to the surface of the piezoelectric substrate between the first groove and the second groove. In forming the laser processing area, an irradiation operation with a laser is performed along a plurality of laser processing lines extending in the groove extending direction. Further, the irradiation operation with the laser is performed a plurality of times for each of the laser processing lines, and the irradiation operations with the laser performed along the same laser processing line of the plurality of laser processing lines are performed at a time interval from when ending a previous irradiation operation with the laser to when starting a subsequent irradiation operation with the laser.

公开(公告)号：US20210129530A1

公开(公告)日：2021-05-06

申请号：US17084028

申请日：2020-10-29

Applicant: SII PRINTEK INC.

Inventor： Takayuki SHIMIZU

IPC: B41J2/045 ,  B41J2/14

Abstract: There are provided a liquid jet head and so on capable of ensuring the ejection stability of the liquid even when jetting the liquid high in viscosity irrespective of the structure of the liquid jet head. The liquid jet head according to an embodiment of the present disclosure includes a plurality of nozzles configured to jet liquid, an actuator having a plurality of pressure chambers communicated individually with the nozzles, and each filled with the liquid, and a drive section configured to apply a drive signal having a plurality of pulses in one cycle to the actuator to thereby expand and contract a volume of the pressure chamber to jet the liquid filling the pressure chamber from the nozzle. The plurality of pulses in the drive signal include a plurality of first pulses configured to expand the volume of the pressure chamber, and a plurality of second pulses configured to contract the volume of the pressure chamber. Further, with reference to an on-peak pulse (AP) in the pulses, a pulse width in at least one of the first pulses other than a final first pulse as last one of the first pulses out of the plurality of first pulses in the one cycle is set within a range of 0.2 AP through 1.0 AP, as well as, a pulse width in at least one of the second pulses other than a final second pulse as last one of the second pulses out of the plurality of second pulses in the one cycle is set within a range of 1.0 AP through 1.8 AP.

公开(公告)号：US10807364B2

公开(公告)日：2020-10-20

申请号：US16186957

申请日：2018-11-12

Applicant: SII Printek Inc.

Inventor： Daichi Nishikawa ,  Misaki Kobayashi ,  Tomoki Kameyama ,  Hitoshi Nakayama

IPC: 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 is a head chip adapted to jet liquid including an actuator plate having a plurality of ejection grooves arranged side by side along a first direction, and extending in a second direction crossing the first direction, a plurality of common electrodes formed on respective inner surfaces of the plurality of ejection grooves, and a commonalization interconnection adapted to electrically connect the plurality of common electrodes to each other, and a nozzle plate having a plurality of nozzle holes individually communicated with the plurality of ejection grooves.

公开(公告)号：US10717280B2

公开(公告)日：2020-07-21

申请号：US16186983

申请日：2018-11-12

Applicant: SII Printek Inc.

Inventor： Daichi Nishikawa ,  Misaki Kobayashi ,  Tomoki Kameyama

IPC: 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 is a head chip adapted to jet liquid including an actuator plate having a plurality of ejection grooves and a plurality of non-ejection grooves alternately arranged in parallel to each other along a first direction and each extending in a second direction crossing the first direction, and a nozzle plate having a plurality of nozzle holes individually communicated with the plurality of ejection grooves, and to be bonded to the actuator plate. The non-ejection grooves each partially open in a bonding surface of the actuator plate with the nozzle plate.

公开(公告)号：US10427404B2

公开(公告)日：2019-10-01

申请号：US15883837

申请日：2018-01-30

Applicant: SII Printek Inc.

Inventor： Yuzuru Kubota ,  Daichi Nishikawa

IPC: B41J2/14 ,  B41J2/16 ,  B41J2/145 ,  B41J2/155 ,  H01L41/047 ,  H01L41/09 ,  H01L41/187 ,  H01L41/29 ,  H01L41/332 ,  H01L41/338

Abstract: According to an embodiment, a liquid ejecting head chip includes an actuator plate, a cover plate, a common electrode, and a connection wiring. In the actuator plate, a plurality of discharge channels and a plurality of non-discharge channels which extend in a Z-direction are alternately arranged at a distance in an X-direction. The cover plate is stacked on an AP-side-Y-direction inner side surface, so as to close the plurality of discharge channels and the plurality of non-discharge channels. The common electrode is formed on an inner surface of each of the discharge channels. The connection wiring is divided so as to be formed in at least 3 or more places in the X-direction on the cover plate, and the common electrode connects the connection wiring to the flexible substrate.