发明申请
- 专利标题： LIQUID-EJECTING HEAD, LIQUID-EJECTING APPARATUS, AND PIEZOELECTRIC DEVICE
- 专利标题（中）： 液体喷射头，液体喷射装置和压电装置
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申请号： US14546595申请日： 2014-11-18
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公开(公告)号： US20150077476A1公开(公告)日： 2015-03-19
- 发明人: Toshihiro SHIMIZU , Hiroshi ITO , Jiro KATO , Eiju HIRAI
- 申请人： SEIKO EPSON CORPORATION
- 优先权： JP2010-101925 20100427
- 主分类号： B41J2/14
- IPC分类号： B41J2/14 ; H01L41/047
摘要：
There is provided a piezoelectric device comprising a first electrode, a piezoelectric layer that is formed above the first electrode, a second electrode that is formed above the piezoelectric layer and a coating layer that is formed above the second electrode consisting of tungsten or titanium.
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