公开(公告)号：AU638381B2

公开(公告)日：1993-06-24

申请号：AU2102692

申请日：1992-08-13

Applicant: COMPAQ COMPUTER CORPORATION

Inventor： JOHN R. PIES ,  DAVID B. WALLACE ,  DONALD J. HAYES

IPC: B41J2/015 ,  B41J2/045 ,  B41J2/055 ,  B41J2/14 ,  B41J2/16

Abstract: A sidewall actuated channel array for a high density ink jet printhead. The sidewall actuator (28) includes a top wall (16), a bottom wall (12) and at least one elongated liquid confining channel (18) defined by the top wall (16), the bottom wall (12) and sidewalls (30,32). The actuator sidewall is comprised of a first actuator sidewall section (32) formed of a piezoelectric material poled in a first direction perpendicular to a first channel (18) and attached to the top wall (16), a second actuator sidewall section (30) attached to the first sidewall section (32) and the bottom wall (12), and means for applying an electric field across the first actuator sidewall section (32) and perpendicular to the direction of polarization. When the electric field is applied across the first sidewall section (32), the actuator sidewall engages in a motion which produces an ink ejecting pressure pulse in the channel (18).

公开(公告)号：AU2102592A

公开(公告)日：1993-03-04

申请号：AU2102592

申请日：1992-08-13

Applicant: COMPAQ COMPUTER CORPORATION

Inventor： JOHN R. PIES ,  DAVID B. WALLACE ,  DONALD J. HAYES

IPC: B41J2/045 ,  B41J2/055 ,  B41J2/14 ,  B41J2/15 ,  B41J2/155 ,  B41J2/16 ,  B41J2/21

Abstract: An ink jet printhead (10) for a drop-on-demand type ink jet printing system. The printhead includes a base section (12) having a series of generally parallel spaced projections (30) extending longitudinally therealong, a series of intermediate sections (32) conductively mounted on a top side of a corresponding one of the series of base section projections (30) and a top section (16) conductively mounted to a top side of each of the series of intermediate sections (32).

公开(公告)号：AU2102692A

公开(公告)日：1993-02-25

申请号：AU2102692

申请日：1992-08-13

Applicant: COMPAQ COMPUTER CORPORATION

Inventor： JOHN R. PIES ,  DAVID B. WALLACE ,  DONALD J. HAYES

IPC: B41J2/015 ,  B41J2/045 ,  B41J2/055 ,  B41J2/14 ,  B41J2/16

Abstract: A sidewall actuated channel array for a high density ink jet printhead. The sidewall actuator (28) includes a top wall (16), a bottom wall (12) and at least one elongated liquid confining channel (18) defined by the top wall (16), the bottom wall (12) and sidewalls (30,32). The actuator sidewall is comprised of a first actuator sidewall section (32) formed of a piezoelectric material poled in a first direction perpendicular to a first channel (18) and attached to the top wall (16), a second actuator sidewall section (30) attached to the first sidewall section (32) and the bottom wall (12), and means for applying an electric field across the first actuator sidewall section (32) and perpendicular to the direction of polarization. When the electric field is applied across the first sidewall section (32), the actuator sidewall engages in a motion which produces an ink ejecting pressure pulse in the channel (18).