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1. 发明授权

US12138927B2 Head chip, liquid jet head, and liquid jet recording device 有权
公开(公告)号：US12138927B2
公开(公告)日：2024-11-12
申请号：US18080489
申请日：2022-12-13
申请人： SII Printek Inc.
发明人： Hitoshi Nakayama
IPC分类号： B41J2/14
CPC分类号： B41J2/14201 , B41J2/14209 , B41J2/14233 , B41J2002/14225 , B41J2002/14241
摘要： A head chip, a liquid jet head, and a liquid jet recording device each capable of inhibiting mechanical crosstalk, and exerting a desired jet performance are provided. The head chip according to an aspect of the present disclosure includes a flow channel member having a plurality of pressure chambers containing liquid, an actuator plate which is stacked on the flow channel member in a state of being opposed in a first direction to the pressure chambers, and a drive electrode which is formed on a surface of the actuator plate, the surface facing to the first direction, and which is configured to deform the actuator plate in the first direction to change a volume of at least one of the pressure chambers. A dividing groove which is configured to zone the actuator plate between the pressure chambers adjacent to each other is formed in a portion of the actuator plate, the portion being located between the pressure chambers adjacent to each other when viewed from the first direction.

2. 发明授权

US12138915B2 Liquid jet head and liquid jet recording device 有权
公开(公告)号：US12138915B2
公开(公告)日：2024-11-12
申请号：US18169453
申请日：2023-02-15
申请人： SII Printek Inc.
发明人： Kensuke Yoshida , Akihiro Itagi
IPC分类号： B41J2/045
CPC分类号： B41J2/04541 , B41J2/04586
摘要： There are provided a liquid jet head and so on capable of enhancing the reliability. A liquid jet head according to an embodiment of the present disclosure includes a jet section configured to jet liquid, at least one drive circuit configured to output a drive signal used to jet the liquid to the jet section, a differential input line configured to transmit data from an outside of the liquid jet head toward the drive circuit, a differential output line configured to transmit data from the drive circuit toward the outside of the liquid jet head, a coupling part which is arranged between the outside of the liquid jet head and the drive circuit, and to which the differential input line and the differential output line are individually coupled, and a detection circuit configured to perform detection of a coupling state in the coupling part using a transmission signal in at least one of the differential output line and the differential input line.

3. 发明授权

US12122159B2 Head chip, liquid jet head, and liquid jet recording device 有权
公开(公告)号：US12122159B2
公开(公告)日：2024-10-22
申请号：US18082257
申请日：2022-12-15
申请人： SII Printek Inc.
发明人： Hitoshi Nakayama
IPC分类号： B41J2/14
CPC分类号： B41J2/14209 , B41J2/14201 , B41J2/14072 , B41J2002/14225
摘要： A head chip, a liquid jet head, and a liquid jet recording device each capable of increasing pressure generated while achieving power saving are provided. The head chip according to an aspect of the present disclosure includes a flow channel member having a pressure chamber containing liquid, an actuator plate which is stacked on the flow channel member in a state of being opposed to the pressure chamber in a first direction, a drive electrode which is formed on a surface facing to the first direction in the actuator plate, and which is configured to deform the actuator plate in the first direction to change a volume of the pressure chamber, and a non-drive member which is stacked at an opposite side to the flow channel member across the actuator plate in the first direction, and which is configured to limit a displacement of the actuator plate toward an opposite side to the flow channel member in the first direction.

4. 发明公开

US20240227395A9 INKJET HEAD, METHOD FOR PRODUCING SAME, METHOD FOR PRODUCING SEMICONDUCTOR DEVICE USING SAME, AND PRINTING DEVICE 审中-公开
公开(公告)号：US20240227395A9
公开(公告)日：2024-07-11
申请号：US18547507
申请日：2022-02-24
申请人： YAMAGATA UNIVERSITY , SII PRINTEK INC.
发明人： Shinri SAKAI , Ryoichi BIZEN
IPC分类号： B41J2/14 , B41J2/16 , G03F7/20 , G03F7/40
CPC分类号： B41J2/14201 , B41J2/162 , B41J2/1631 , G03F7/20 , G03F7/40
摘要： The present disclosure provides an inkjet head capable of continuously ejecting droplets at a high frequency even when an ink having high viscosity is used. The present is directed to an inkjet head characterized in that the inkjet head comprises a nozzle plate portion on which a nozzle for ejecting droplets is formed, a vibration plate disposed opposite to an inlet of the nozzle, a weight disposed in contact with the vibration plate, and an actuator in contact with the weight, wherein the actuator is driven by a drive signal to fly the weight to eject ink in the ink chamber formed between the nozzle plate portion and the vibration plate from the nozzle, and wherein a storage space in which the actuator is disposed is configured to be separated from the ink chamber by the vibration plate.

5. 发明公开

US20240131841A1 INKJET HEAD, METHOD FOR PRODUCING SAME, METHOD FOR PRODUCING SEMICONDUCTOR DEVICE USING SAME, AND PRINTING DEVICE 审中-公开
公开(公告)号：US20240131841A1
公开(公告)日：2024-04-25
申请号：US18547507
申请日：2022-02-24
申请人： YAMAGATA UNIVERSITY , SII PRINTEK INC.
发明人： Shinri SAKAI , Ryoichi BIZEN
IPC分类号： B41J2/14 , B41J2/16 , G03F7/20 , G03F7/40
CPC分类号： B41J2/14201 , B41J2/162 , B41J2/1631 , G03F7/20 , G03F7/40
摘要： The present disclosure provides an inkjet head capable of continuously ejecting droplets at a high frequency even when an ink having high viscosity is used. The present is directed to an inkjet head characterized in that the inkjet head comprises a nozzle plate portion on which a nozzle for ejecting droplets is formed, a vibration plate disposed opposite to an inlet of the nozzle, a weight disposed in contact with the vibration plate, and an actuator in contact with the weight, wherein the actuator is driven by a drive signal to fly the weight to eject ink in the ink chamber formed between the nozzle plate portion and the vibration plate from the nozzle, and wherein a storage space in which the actuator is disposed is configured to be separated from the ink chamber by the vibration plate.

6. 发明申请

US20230126898A1 POSITIONING STRUCTURE, LIQUID JET HEAD, AND LIQUID JET RECORDING DEVICE 有权
公开(公告)号：US20230126898A1
公开(公告)日：2023-04-27
申请号：US17969965
申请日：2022-10-20
申请人： SII Printek Inc.
发明人： Yuzuru KUBOTA
IPC分类号： B41J25/304
摘要： A liquid jet head is accurately positioned to a head installation part of a liquid jet recording device. A positioning structure includes a positioning pin provided to a carriage, and a positioning mechanism provided to an inkjet head, wherein the positioning mechanism includes a contact member having contact with the positioning pin, and a displacement mechanism for displacing the contact member along a displacement axis extending in an oblique direction crossing a direction perpendicular to an installation surface of head installation part, and a contact part of the positioning pin is formed to have a curved surface shape taking a first intersecting axis crossing the installation surface as a central axis, and a contact part of the contact member is formed to have a curved surface shape taking a second intersecting axis as a central axis, the second intersecting axis crossing an imaginary plane including a displacement axis and a vertical axis (the first intersecting axis) extending in a direction perpendicular to the installation surface, and the second intersecting axis being nonparallel to the first intersecting axis.

7. 发明申请

US20220194092A1 HEAD CHIP, LIQUID JET HEAD, AND LIQUID JET RECORDING DEVICE 有权
公开(公告)号：US20220194092A1
公开(公告)日：2022-06-23
申请号：US17553356
申请日：2021-12-16
申请人： SII Printek Inc.
发明人： Hitoshi NAKAYAMA
IPC分类号： B41J2/18 , B41J2/14
摘要： There are provided a head chip, a liquid jet head, and a liquid jet recording device each capable of ensuring an electrical reliability, and enhancing the durability. The head chip according to an aspect of the present disclosure includes an actuator plate having ejection channels and non-ejection channels extending in a Z direction and arranged alternately in an X direction, and a nozzle plate which has nozzle holes respectively communicated with the ejection channels, and faces the actuator plate. The non-ejection channels are terminated at positions separated from a lower end surface of the actuator plate. The ejection channels open on a lower end surface of the actuator plate.

8. 发明申请

US20220176698A1 METHOD OF MANUFACTURING LIQUID JET HEAD CHIP, LIQUID JET HEAD CHIP, LIQUID JET HEAD, AND LIQUID JET RECORDING DEVICE 有权
公开(公告)号：US20220176698A1
公开(公告)日：2022-06-09
申请号：US17542845
申请日：2021-12-06
申请人： SII Printek Inc
发明人： Hitoshi NAKAYAMA
IPC分类号： B41J2/14 , B41J2/16
摘要： The trouble of removing a protective film such as a poly-paraxylene film from the part not requiring the protective film is reduced. A method of manufacturing a head chip according to an aspect of the present disclosure includes a substrate preparation step of preparing an actuator plate substrate having a jet channel communicated with a nozzle hole configured to jet ink, and a non-jet channel which does not jet the ink, and a protective film formation step of forming a protective film configured to protect a common electrode formed on an inner surface of the jet channel from the ink in a state in which the jet channel is exposed and the non-jet channel is covered after the substrate preparation step.

9. 发明申请

US20220176695A1 HEAD CHIP, LIQUID JET HEAD, LIQUID JET RECORDING DEVICE, AND METHOD OF MANUFACTURING HEAD CHIP 有权
公开(公告)号：US20220176695A1
公开(公告)日：2022-06-09
申请号：US17541566
申请日：2021-12-03
申请人： SII Printek Inc.
发明人： Satoshi HORIGUCHI
IPC分类号： B41J2/14 , B41J2/16
摘要： The head chip includes an actuator plate having ejection channels and non-ejection channels extending in a Y direction and arranged alternately in an X direction, an intermediate plate overlapped with the actuator plate in a Z direction, and provided with communication holes communicated with the ejection channels and through holes communicated with the non-ejection channels, and a nozzle plate overlapped with the intermediate plate in the Z direction in a state of closing the through holes, and provided with nozzle holes which are communicated with the communication holes, jet liquid contained in the ejection channels, and are formed at positions corresponding to the ejection channels. The non-ejection channels are communicated with an outside of the head chip. The through holes are each disposed at an inner side in the X direction of the inner surfaces extending in the Y direction of the non-ejection channel viewed from the Z direction.

10. 发明申请

US20220111639A1 LIQUID JET HEAD AND LIQUID JET RECORDING DEVICE 有权
公开(公告)号：US20220111639A1
公开(公告)日：2022-04-14
申请号：US17497108
申请日：2021-10-08
申请人： SII PRINTEK INC.
发明人： Kensuke YOSHIDA
IPC分类号： B41J2/045 , B41J2/14
摘要： There are provided a liquid jet head and so on capable of enhancing the convenience. The liquid jet head according to an embodiment of the present disclosure includes a jet section, a plurality of drive boards, at least one drive device, a waveform setting section, a control switch section, an external control line in which first control communication is performed, an internal control line in which second control communication is performed, and a plurality of drive control lines in which third control communication is individually performed. The waveform setting section generates second waveform configuration information for setting the drive waveform based on first waveform configuration information transmitted from the outside of the liquid jet head using the first control communication. The control switch section performs control switch between a transmission control action and a blocking control action when transmitting the second waveform configuration information, which is transmitted from the waveform setting section using the second control communication, to the drive device using the third control communication.

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