发明名称 |
Liquid discharge head and method for manufacturing the same |
摘要 |
<p>A liquid discharge head of the present invention comprises a substrate and a flow path wall member provided on the substrate and having a wall of a flow path communicated with a discharge port for discharging liquid, wherein said flow path wall member is provided with a cavity not communicated with said flow path, when viewed in a direction from said discharge port toward said substrate, said cavity has a shape of a character, and said character corresponds to information regarding said liquid discharge head.</p> |
申请公布号 |
EP2289700(B1) |
申请公布日期 |
2013.07.03 |
申请号 |
EP20100008808 |
申请日期 |
2010.08.24 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
FUJII, KENJI;ASAI, KAZUHIRO;WATANABE, MAKOTO;TAGAWA, YOSHINORI;IMANAKA, YOSHIYUKI;TAMARU, YUUJI;KUBO, KOUSUKE |
分类号 |
B41J2/16;H01L23/544 |
主分类号 |
B41J2/16 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|