公开(公告)号：EP0704305B1

公开(公告)日：2000-11-29

申请号：EP95306766.7

申请日：1995-09-26

Applicant: Compaq Computer Corporation

Inventor： Murphy, Richard D.

IPC: B41J2/045 ,  B41J2/14

CPC classification number: B41J2/1623 ,  B41J2/14209 ,  B41J2/155 ,  B41J2/1609 ,  B41J2/1632 ,  B41J2202/21 ,  Y10T29/42 ,  Y10T29/49401

公开(公告)号：EP0704305A3

公开(公告)日：1996-12-27

申请号：EP95306766.7

申请日：1995-09-26

Applicant: Compaq Computer Corporation

Inventor： Murphy, Richard D.

IPC: B41J2/045

CPC classification number: B41J2/1623 ,  B41J2/14209 ,  B41J2/155 ,  B41J2/1609 ,  B41J2/1632 ,  B41J2202/21 ,  Y10T29/42 ,  Y10T29/49401

Abstract: A page wide piezoelectric ink jet print engine and a method of manufacturing the same. The page wide ink jet print engine includes lower and upper body parts, each formed from piezoelectric material and having a plurality of generally parallel, spaced projections. Lower side surfaces of the projections of the lower body part are conductively mounted to corresponding bottom side surfaces of the projections of the upper body part to define a plurality of generally parallel, axially extending ink-carrying channels from which ink may be ejected. The lower and upper body parts are then circumferentially poled such that, for the lower body part, first and second polarization fields respectively extend between the top side surface of each one of the projections and top side surfaces of first and second projections adjacent thereto and, for the upper body part first and second polarization fields respectively extend between the bottom side surface of each one of the projections and bottom side surfaces of first and second projections adjacent thereto. By applying voltage to selective ones of the projections, the channels may be selectively expanded to draw ink from an associated ink delivery system and compressed to cause the ejection of a droplet of ink therefrom.

Abstract translation: 一种宽幅压电喷墨打印引擎及其制造方法。 页宽喷墨打印机包括下部和上部主体部件，每个部件由压电材料形成并具有多个大致平行的间隔开的突出部。 下主体部分的突起的下侧表面导电地安装到上主体部分的突起的相应的底侧表面上，以限定多个大致平行的，轴向延伸的墨水输送通道，从该墨水输送通道可喷射墨水。 然后，下身和上体部分被圆周极化，使得对于下主体部分，第一和第二偏振场分别在每个突起的顶侧表面和与其相邻的第一和第二突起的顶侧表面之间延伸， 对于上体部分，第一和第二偏振场分别在每个突起的底侧表面和与其相邻的第一和第二突起的底侧表面之间延伸。 通过向选择性的突起施加电压，可以选择性地扩张通道以从相关的墨水输送系统中抽出墨水并被压缩以引起墨滴从其中的喷射。

公开(公告)号：EP0704305A2

公开(公告)日：1996-04-03

申请号：EP95306766.7

申请日：1995-09-26

Applicant: Compaq Computer Corporation

Inventor： Murphy, Richard D.

IPC: B41J2/045

CPC classification number: B41J2/1623 ,  B41J2/14209 ,  B41J2/155 ,  B41J2/1609 ,  B41J2/1632 ,  B41J2202/21 ,  Y10T29/42 ,  Y10T29/49401

Abstract: A page wide piezoelectric ink jet print engine and a method of manufacturing the same. The page wide ink jet print engine includes lower and upper body parts, each formed from piezoelectric material and having a plurality of generally parallel, spaced projections. Lower side surfaces of the projections of the lower body part are conductively mounted to corresponding bottom side surfaces of the projections of the upper body part to define a plurality of generally parallel, axially extending ink-carrying channels from which ink may be ejected. The lower and upper body parts are then circumferentially poled such that, for the lower body part, first and second polarization fields respectively extend between the top side surface of each one of the projections and top side surfaces of first and second projections adjacent thereto and, for the upper body part first and second polarization fields respectively extend between the bottom side surface of each one of the projections and bottom side surfaces of first and second projections adjacent thereto. By applying voltage to selective ones of the projections, the channels may be selectively expanded to draw ink from an associated ink delivery system and compressed to cause the ejection of a droplet of ink therefrom.

Abstract translation: 页宽压电喷墨打印引擎及其制造方法。 页宽喷墨打印引擎包括下部和上部主体部分，每个都由压电材料形成并具有多个大致平行的间隔开的突起。 下主体部分的突起的下侧表面导电地安装到上主体部分的突起的对应底侧表面，以限定多个大致平行的轴向延伸的载墨通道，墨可以从该载墨通道喷射。 然后将下主体部分和上主体部分周向极化，使得对于下主体部分，第一极化场和第二极化场分别在每个凸起的顶侧表面与与其相邻的第一凸起和第二凸起的顶侧表面之间延伸， 对于上身部分，第一和第二极化场分别在每个突起的底侧表面和与其相邻的第一和第二突起的底侧表面之间延伸。 通过对选择的凸起施加电压，通道可以选择性地膨胀，以从相关的墨水输送系统中吸取墨水并且被压缩以引起从其中喷射墨滴。