发明名称 |
Liquid ejecting head and liquid ejecting apparatus |
摘要 |
A liquid ejecting head includes a pressure chamber forming substrate in which a plurality of spaces to be pressure chambers in communication with nozzles are provided side by side in a nozzle column direction, in which in a region corresponding to the pressure chamber, a lower electrode film is formed with a width of 50% or more and 80% or less of a width of the pressure chamber in the nozzle column direction and the piezoelectric body layer covers the lower electrode film in the nozzle column direction and is formed with a width of 90% or less of the width of the pressure chamber. |
申请公布号 |
EP2913187(A2) |
申请公布日期 |
2015.09.02 |
申请号 |
EP20150156943 |
申请日期 |
2015.02.27 |
申请人 |
SEIKO EPSON CORPORATION |
发明人 |
HIRAI, EIJU;YAZAKI, SHIRO;TAKABE, MOTOKI;FUKUZAWA, YUMA |
分类号 |
B41J2/14 |
主分类号 |
B41J2/14 |
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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