发明授权
- 专利标题: Liquid ejecting head unit and manufacturing method therefor
- 专利标题(中): 液体喷射头及其制造方法
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申请号: US09655372申请日: 2000-09-05
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公开(公告)号: US06540343B1公开(公告)日: 2003-04-01
- 发明人: Mikiya Umeyama , Yukuo Yamaguchi , Hiroki Tajima
- 申请人: Mikiya Umeyama , Yukuo Yamaguchi , Hiroki Tajima
- 优先权: JP11-250883 19990903; JP11-250884 19990903
- 主分类号: B41J2175
- IPC分类号: B41J2175
摘要:
A liquid ejecting head unit includes a chip head that includes a plurality of ejection outlets for ejecting droplets; a plurality of flow paths in fluid communication with the ejection outlets, respectively; a first common liquid chamber for supplying the liquid to the flow paths; a supply member having a liquid supply path for supplying the liquid to first common liquid chamber; energy generating elements, provided in the flow paths for generating energy for ejecting the droplets; a unit frame having a second common liquid chamber for accommodating the liquid to be supplied to the supply member, the unit frame being connected with the chip head; a porous member provided between the liquid supply path of the chip head and the second common liquid chamber of the unit frame; wherein a connecting portion between the chip head and the unit frame is disposed upstream of the porous member with respect to a direction of flow of the liquid from the second common liquid chamber to the liquid supply path through the porous member; wherein the porous member is inclined relative to the liquid flow direction.
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