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 |