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
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