发明名称 Liquid ejection head having protected orifice plate and method for manufacturing liquid ejection head
摘要 A liquid ejection head includes a silicon substrate and an orifice plate disposed on or above the silicon substrate. The silicon substrate has a concave portion formed therein, and the orifice plate is disposed in the concave portion.
申请公布号 US8888245(B2) 申请公布日期 2014.11.18
申请号 US201313948606 申请日期 2013.07.23
申请人 Canon Kabushiki Kaisha 发明人 Kurosu Toshiaki;Matsushita Kazumasa;Ibe Satoshi;Tagawa Yoshinori
分类号 B41J2/14;B41J2/16 主分类号 B41J2/14
代理机构 Canon USA Inc IP Division 代理人 Canon USA Inc IP Division
主权项 1. A liquid ejection head comprising: a silicon substrate; and an orifice plate disposed on or above the silicon substrate, wherein the silicon substrate has a concave portion formed therein, and the orifice plate is disposed within the concave portion, and a hardness of the silicon substrate is greater than that of the orifice plate.
地址 Tokyo JP