发明名称 Electromechanical conversion element, manufacturing method thereof, piezoelectric type actuator, liquid droplet jetting head, and inkjet recording apparatus
摘要 An electromechanical conversion element for converting an electric signal into mechanical displacement or converting mechanical displacement into an electric signal, includes a bottom electrode in which an alumina film, a metal film, and a conductive oxide film are sequentially laminated; an electromechanical conversion film disposed on the conductive oxide film of the bottom electrode; and a top electrode disposed on the electromechanical conversion film, wherein the metal film is solid.
申请公布号 US8960867(B2) 申请公布日期 2015.02.24
申请号 US201313848243 申请日期 2013.03.21
申请人 Ricoh Company, Ltd. 发明人 Ishimori Masahiro;Shinkai Masaru;Mizukami Satoshi;Kuroda Takahiko
分类号 B41J2/045;H01L41/00;H02N2/00;H01L41/08;H01L41/09;H01L41/047;H01L41/29;H01L41/318;B41J2/14;B41J2/16 主分类号 B41J2/045
代理机构 Cooper & Dunham LLP 代理人 Cooper & Dunham LLP
主权项 1. An electromechanical conversion element for converting an electric signal into mechanical displacement or converting mechanical displacement into an electric signal, the electromechanical conversion element comprising: a bottom electrode in which an alumina film, a metal film, and a conductive oxide film are sequentially laminated; an electromechanical conversion film disposed on the conductive oxide film of the bottom electrode; and a top electrode disposed on the electromechanical conversion film.
地址 Tokyo JP