| 发明名称 | Liquid ejection head, and image forming apparatus using the liquid ejection head | ||
| 摘要 | A liquid ejection head is provided. The liquid ejection head includes a nozzle substrate to eject a droplet of a liquid from a nozzle thereof; a surface treatment layer, which is located on the surface of the nozzle substrate and which is an oxide layer including silicon (Si) and a transition metal capable of forming a passive layer; and an organic liquid repellent layer located on the surface treatment layer. | ||
| 申请公布号 | US9205652(B2) | 申请公布日期 | 2015.12.08 |
| 申请号 | US201414291478 | 申请日期 | 2014.05.30 |
| 申请人 | RICOH COMPANY, LTD. | 发明人 | Sameshima Tatsuya;Kakuda Shinichi;Habashi Hisashi;Mori Takashi;Morita Kaname;Takagi Daisuke;Usami Hitoshi;Aratani Tomoyuki |
| 分类号 | B41J2/135;B41J2/14;B41J2/16 | 主分类号 | B41J2/135 |
| 代理机构 | Cooper & Dunham LLP | 代理人 | Cooper & Dunham LLP |
| 主权项 | 1. A liquid ejection head comprising: a nozzle substrate to eject a droplet of a liquid from a nozzle thereof; a surface treatment layer, which is located on a surface of the nozzle substrate and which is an oxide layer including silicon (Si) and a transition metal (M) capable of forming a passive layer; and an organic liquid repellent layer located on the surface treatment layer. | ||
| 地址 | Tokyo JP | ||