| 发明名称 | Ink jet recording head substrate, method for manufacturing the same, and ink jet recording head | ||
| 摘要 | An ink jet recording head substrate is provided which includes a base substrate, a heat accumulation layer overlying the base substrate, a heating resistor layer including an electrothermal conversion portion and overlying the heat accumulation layer, a wiring layer electrically connected to the heating resistor layer, and an insulating protective layer covering the heating resistor layer and the wiring layer. The heat accumulation layer includes a porous cyclic siloxane film. | ||
| 申请公布号 | US9333746(B2) | 申请公布日期 | 2016.05.10 |
| 申请号 | US201514789866 | 申请日期 | 2015.07.01 |
| 申请人 | Canon Kabushiki Kaisha | 发明人 | Nagamochi Soichiro;Tamatsukuri Shuichi;Takeuchi Souta;Takahashi Kenji;Sakuma Sadayoshi;Komuro Hirokazu;Sakurai Makoto;Ishida Yuzuru;Yasuda Takeru |
| 分类号 | B41J2/155;B41J2/14;B41J2/16 | 主分类号 | B41J2/155 |
| 代理机构 | Canon U.S.A., Inc., IP Division | 代理人 | Canon U.S.A., Inc., IP Division |
| 主权项 | 1. An ink jet recording head substrate comprising: a base substrate; a heat accumulation layer overlying the base substrate, the heat accumulation layer including a porous cyclic siloxane film formed by a gas-phase process; a heating resistor layer overlying the heat accumulation layer, the heating resistor layer including an electrothermal conversion portion; a wiring layer electrically connected to the heating resistor layer; and an insulating protective layer covering the heating resistor layer and the wiring layer. | ||
| 地址 | Tokyo JP | ||