发明名称 Liquid ejecting head and liquid ejecting apparatus
摘要 A liquid ejecting head which ejects a liquid from a nozzle of a nozzle plate by means of pressure change in a pressure chamber includes a first member made of ceramics and including the pressure chamber, a second member located between the first member and the nozzle plate, the second member being made of a metal and including a first flow path at a position upstream to the pressure chamber so as to regulate the amount of liquid which flows into the pressure chamber, and a ground wire that grounds the second member.
申请公布号 US9469108(B2) 申请公布日期 2016.10.18
申请号 US201414226943 申请日期 2014.03.27
申请人 SEIKO EPSON CORPORATION 发明人 Nakao Hajime;Watanabe Shunsuke
分类号 B41J2/14;B41J2/055 主分类号 B41J2/14
代理机构 Maschoff Brennan 代理人 Maschoff Brennan
主权项 1. A liquid ejecting head which ejects a liquid from a nozzle of a nozzle plate by means of pressure change in a pressure chamber, comprising: a first member made of ceramics and including the pressure chamber; a second member located between the first member and the nozzle plate, the second member being made of a metal and including a first flow path at a position upstream to the pressure chamber so as to regulate an amount of liquid which flows into the pressure chamber, a third member made of ceramics, wherein the second member is between the first member and the third member; and a ground wire that grounds the second member, wherein the first flow path is at least part of a flow path which extends between a common liquid chamber from which the liquid is supplied to at least one pressure chamber and the pressure chamber, and wherein the second member includes the common liquid chamber.
地址 Tokyo JP