发明名称 |
Inkjet head for inkjet printing apparatus |
摘要 |
An inkjet head provided with a plurality of pressure chambers includes an actuator unit for the plurality of pressure chambers. The actuator unit includes a plurality of inactive layers and at least one active layer, both made of piezoelectric material. The plurality of inactive layers are arranged on a pressure chamber side to cover the plurality of pressure chambers. The at least one active layer is arranged on an opposite side of the pressure chambers with respect to the inactive layers. The active layer is segmented to a plurality of segments which are located at positions correspond to the plurality of pressure chambers. Further, each segment of the active layer is sandwiched between a common electrode and a driving electrode.
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申请公布号 |
US2003103117(A1) |
申请公布日期 |
2003.06.05 |
申请号 |
US20020305947 |
申请日期 |
2002.11.29 |
申请人 |
BROTHER KOGYO KABUSHIKI KAISHA |
发明人 |
SAKUMA MIKIO |
分类号 |
B41J2/045;B41J2/055;B41J2/14;B41J2/155;(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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