发明授权
US09205652B2 Liquid ejection head, and image forming apparatus using the liquid ejection head
有权
液体喷射头和使用液体喷射头的图像形成装置
- 专利标题: Liquid ejection head, and image forming apparatus using the liquid ejection head
- 专利标题(中): 液体喷射头和使用液体喷射头的图像形成装置
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申请号: US14291478申请日: 2014-05-30
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公开(公告)号: US09205652B2公开(公告)日: 2015-12-08
- 发明人: Tatsuya Sameshima , Shinichi Kakuda , Hisashi Habashi , Takashi Mori , Kaname Morita , Daisuke Takagi , Hitoshi Usami , Tomoyuki Aratani
- 申请人: RICOH COMPANY, LTD.
- 申请人地址: JP Tokyo
- 专利权人: RICOH COMPANY, LTD.
- 当前专利权人: RICOH COMPANY, LTD.
- 当前专利权人地址: JP Tokyo
- 代理机构: Cooper & Dunham LLP
- 优先权: JP2013-131213 20130623
- 主分类号: B41J2/135
- IPC分类号: B41J2/135 ; B41J2/14 ; B41J2/16
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.
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