发明授权
- 专利标题: Thermal electrostatic ink-jet recording apparatus
- 专利标题(中): 热静电喷墨记录装置
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申请号: US44955申请日: 1987-05-01
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公开(公告)号: US4748458A公开(公告)日: 1988-05-31
- 发明人: Nanao Inoue , Koichi Saito , Eiichi Akutsu , Yoshihiko Fujimura , Kiyoshi Horie
- 申请人: Nanao Inoue , Koichi Saito , Eiichi Akutsu , Yoshihiko Fujimura , Kiyoshi Horie
- 申请人地址: JPX Tokyo
- 专利权人: Fuji Xerox Co., Ltd.
- 当前专利权人: Fuji Xerox Co., Ltd.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX61-103133 19860507
- 主分类号: B41J2/05
- IPC分类号: B41J2/05 ; B41J2/015 ; B41J2/06 ; B41J2/065 ; G01D15/16
摘要:
A thermal electrostatic ink-jet recording apparatus includes an orifice for storing and jetting ink. The orifice is formed between first and second plate members and a longitudinal array of heating elements is formed on one of the plate members and is covered by an insulating layer. An electrically conductive layer is formed either on the insulating layer or the other plate member and cooperates with a counter electrode supporting a recording medium to apply an electrostatic field to ink in the orifice. The electrically conductive layer includes a central portion that extends substantially to the egress of the orifice in the area where ink is contained in the orifice and peripheral portions on either side of the orifice that are not in contact with the ink and that are spaced substantially away from the egress of the orifice. The spacing of the peripheral portion away from the egress of the orifice prevents a gas discharge phenomenon that induces instability in ink jetting.
公开/授权文献
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