公开(公告)号：EP0716926A3

公开(公告)日：1997-04-16

申请号：EP95309100.6

申请日：1995-12-14

Applicant: Compaq Computer Corporation

Inventor： Good, Lowell M. ,  Wallace, David B.

IPC: B41J2/16 ,  B41J2/045

CPC classification number: B41J2/14209 ,  B41J2202/18

Abstract: A length-mode ink jet printhead which includes an active lower body portion, a series of active intermediate body portions and an inactive upper body portion which collectively define a series of generally parallel channels which extend between front and rear side surfaces of the printhead. Each channel is bounded by first and second sidewalls, each comprised of a lower body projection and an intermediate body portion conductively mounted thereto. Formed in the upper body portion are a series of ink ejection orifices, each of which extends from the top side surface to a corresponding one of the series of channels and is located midway between the front and rear side surfaces of the printhead. Mounted on the front and rear side surfaces of the printhead are acoustic pressure wave reflection interfaces for respectively reflecting forwardly and rearwardly propagating pressure waves generated in the series of channels. An orthogonally directed droplet of ink is ejected from an ink ejection orifice by imparting an acoustic pressure wave to a selected channel in communication with the ink ejection orifice.

公开(公告)号：EP0716926B1

公开(公告)日：2002-03-13

申请号：EP95309100.6

申请日：1995-12-14

Applicant: Compaq Computer Corporation

Inventor： Good, Lowell M. ,  Wallace, David B.

IPC: B41J2/16 ,  B41J2/045

CPC classification number: B41J2/14209 ,  B41J2202/18

公开(公告)号：EP0716926A2

公开(公告)日：1996-06-19

申请号：EP95309100.6

申请日：1995-12-14

Applicant: Compaq Computer Corporation

Inventor： Good, Lowell M. ,  Wallace, David B.

IPC: B41J2/16 ,  B41J2/045

CPC classification number: B41J2/14209 ,  B41J2202/18

Abstract: A length-mode ink jet printhead which includes an active lower body portion, a series of active intermediate body portions and an inactive upper body portion which collectively define a series of generally parallel channels which extend between front and rear side surfaces of the printhead. Each channel is bounded by first and second sidewalls, each comprised of a lower body projection and an intermediate body portion conductively mounted thereto. Formed in the upper body portion are a series of ink ejection orifices, each of which extends from the top side surface to a corresponding one of the series of channels and is located midway between the front and rear side surfaces of the printhead. Mounted on the front and rear side surfaces of the printhead are acoustic pressure wave reflection interfaces for respectively reflecting forwardly and rearwardly propagating pressure waves generated in the series of channels. An orthogonally directed droplet of ink is ejected from an ink ejection orifice by imparting an acoustic pressure wave to a selected channel in communication with the ink ejection orifice.

Abstract translation: 长度模式的喷墨打印头其中在活性较低的主体部分包括，一系列活性中间主体部的和为无效上体部分，其共同限定了一系列基因反弹平行通道，其前部和打印头的后方侧表面之间延伸的。 每个信道由第一和第二侧壁限定，下部主体突起的每个包括在中间主体部导电地安装到其上。 形成在上主体部分是一系列的喷墨孔，其每一个从顶侧表面延伸到所述一系列通道的相应的一个，并且位于中途打印头的前部和后部的侧表面之间的。 安装了打印头的前侧和后侧的表面上分别用于向前反射和向后传播的一系列通道的产生的压力波的声压波的反射界面。 墨水的正交定向墨滴从墨喷射孔通过赋予到声压波到所选择的信道与墨喷射孔喷出的通信上。