发明名称 |
Inkjet printing head and printer |
摘要 |
An inkjet printing head includes: a flow path unit having a plurality of pressure chambers arranged along a plane and connected to nozzles; and an actuator unit fixed on a surface of the flow path unit and changes volume of each of the pressure chambers, the actuator unit including: a plurality of individual electrodes arranged in positions opposite to the pressure chambers respectively; a common electrode disposed to extend over the plurality of pressure chambers and having openings each formed at least at a part of a region opposite to the individual electrodes; and a piezoelectric sheet sandwiched between the common electrode and the individual electrodes.
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申请公布号 |
US2005030348(A1) |
申请公布日期 |
2005.02.10 |
申请号 |
US20040879119 |
申请日期 |
2004.06.30 |
申请人 |
BROTHER KOGYO KABUSHIKI KAISHA;KYOCERA CORPORATION |
发明人 |
TAIRA HIROSHI;MATSUMOTO AYUMU |
分类号 |
B41J2/045;B41J2/055;B41J2/14;(IPC1-7):B41J2/045 |
主分类号 |
B41J2/045 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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