公开(公告)号：US11827018B2

公开(公告)日：2023-11-28

申请号：US17741577

申请日：2022-05-11

Applicant: 3C PROJECT MANAGEMENT LIMITED

Inventor： Gregory John McAvoy

IPC: B41J2/14

CPC classification number: B41J2/14233

Abstract: A droplet ejector for a printhead comprises: a substrate having a mounting surface and an opposite nozzle surface; a nozzle-forming layer formed on at least a portion of the nozzle surface of the substrate; a fluid chamber defined at least in part by the substrate and at least in part by the nozzle-forming layer, the fluid chamber having a fluid chamber outlet defined at least in part by a nozzle portion of the said nozzle-forming layer, the said nozzle portion comprising an inner portion located closer to the fluid chamber outlet and an outer portion located closer to a periphery of the nozzle portion; and either or both of an inner actuator arrangement formed on the inner portion of the nozzle portion of the nozzle-forming layer and an outer actuator arrangement formed on the outer portion of the nozzle portion of the nozzle-forming layer.

公开(公告)号：US20230312337A1

公开(公告)日：2023-10-05

申请号：US18023904

申请日：2021-09-01

Applicant: 3C PROJECT MANAGEMENT LIMITED

Inventor： Gregory John MCAVOY

IPC: B81B7/02 ,  B41J2/14 ,  H10N30/20 ,  B81C1/00 ,  B41J2/045

CPC classification number: B81C1/00246 ,  B41J2/04581 ,  B41J2/14 ,  B81B7/02 ,  H10N30/20 ,  B81B2201/03 ,  B81B2203/0118 ,  B81B2203/0127 ,  B81B2207/015 ,  B81C2201/0132 ,  B81C2201/016

Abstract: A method of manufacturing a MEMS device, the MEMS device comprising a movable Micro-Electro-Mechanical piezoelectric component and a CMOS circuit configured to be in conductive communication with the Micro-Electro-Mechanical component. A plurality of CMOS circuit layers are formed on a substrate to form the CMOS circuit, the plurality of CMOS circuit layers comprising a plurality of CMOS passivation and metallisation layers. A portion of at least one of the plurality of CMOS passivation and metallisation layers is removed in a component region of the device. One or more component region layers are formed in place of the removed portion in the component region to form the movable Micro-Electro-Mechanical piezoelectric component. The one or more component region layers are different from the portion of the at least one of the plurality of CMOS passivation and metallisation layers.

公开(公告)号：US20220324230A1

公开(公告)日：2022-10-13

申请号：US17741577

申请日：2022-05-11

Applicant: 3C PROJECT MANAGEMENT LIMITED

Inventor： Gregory John MCAVOY

IPC: B41J2/14

Abstract: A droplet ejector for a printhead comprises: a substrate having a mounting surface and an opposite nozzle surface; a nozzle-forming layer formed on at least a portion of the nozzle surface of the substrate; a fluid chamber defined at least in part by the substrate and at least in part by the nozzle-forming layer, the fluid chamber having a fluid chamber outlet defined at least in part by a nozzle portion of the said nozzle-forming layer, the said nozzle portion comprising an inner portion located closer to the fluid chamber outlet and an outer portion located closer to a periphery of the nozzle portion; and either or both of an inner actuator arrangement formed on the inner portion of the nozzle portion of the nozzle-forming layer and an outer actuator arrangement formed on the outer portion of the nozzle portion of the nozzle-forming layer.

公开(公告)号：US20240059062A1

公开(公告)日：2024-02-22

申请号：US18269684

申请日：2021-12-29

Applicant: 3C PROJECT MANAGEMENT LIMITED

Inventor： Gregory John MCAVOY ,  Richard COULL

IPC: B41J2/14

CPC classification number: B41J2/14233 ,  B41J2/14427 ,  B41J2202/19 ,  B41J2202/20 ,  B41J2/1628

Abstract: The present disclosure provides a printhead assembly comprising: a plurality of printhead modules (100a), including a first printhead module, a second printhead module and a third printhead module. Each of the plurality of printhead modules (100a) comprises: a plurality of printhead nozzles (126) each provided with an actuator (118) for selectively ejecting print agent therefrom; at least one print agent manifold (122, 124) providing a fluid communication pathway between at least one print agent inlet and the plurality of printhead nozzles (126); and control circuitry (104) to control the actuators (118) of the printhead module (100a) to eject print agent from the printhead nozzles (126). The first printhead module is mounted to the third printhead module via the second printhead module.