发明公开
EP0707964A2 Liquid jet head, head cartridge, liquid jet apparatus, method of ejecting liquid, and method of injecting ink
失效
Glüssigkeitsstrahlkopf，头盒，液体喷射装置，液体喷射方法和喷墨方法
- 专利标题： Liquid jet head, head cartridge, liquid jet apparatus, method of ejecting liquid, and method of injecting ink
- 专利标题（中）： Glüssigkeitsstrahlkopf，头盒，液体喷射装置，液体喷射方法和喷墨方法
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申请号： EP95116588.5申请日： 1995-10-20
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公开(公告)号： EP0707964A2公开(公告)日： 1996-04-24
- 发明人: Ishinaga, Hiroyuki, c/o Canon K.K. , Ikeda, Masami, c/o Canon K.K. , Kaneko, Hajime, c/o Canon K.K. , Kawai, Jun, c/o Canon K.K. , Saito, Yasutoshi, c/o Canon K.K. , Izumida, Masaaki, c/o Canon K.K. , Tonogaki, Masahiko, c/o Canon K.K.
- 申请人： CANON KABUSHIKI KAISHA
- 申请人地址： 30-2, 3-chome, Shimomaruko, Ohta-ku Tokyo JP
- 专利权人： CANON KABUSHIKI KAISHA
- 当前专利权人： CANON KABUSHIKI KAISHA
- 当前专利权人地址： 30-2, 3-chome, Shimomaruko, Ohta-ku Tokyo JP
- 代理机构： Grams, Klaus Dieter, Dipl.-Ing.
- 优先权： JP255248/94 19941020; JP256347/95 19951003
- 主分类号： B41J2/05
- IPC分类号： B41J2/05
摘要：
An ink jet head having a plurality of electrothermal transducer elements in one liquid passage is arranged so that the ratio of the areas of two of the plurality of electrothermal transducer elements is smaller than the ratio of the amounts of ink ejected by the two electrothermal transducer elements, thereby stably obtaining the desired amounts of ejected ink and achieving a high gradational effect at a high energy efficiency.
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