发明名称 |
LIQUID EJECTION HEAD, IMAGE FORMING APPARATUS EMPLOYING THE LIQUID EJECTION HEAD, AND METHOD OF MANUFACTURING THE LIQUID EJECTION HEAD |
摘要 |
A liquid ejection head includes a nozzle formation member having a liquid repellent layer disposed on a droplet ejection face of a nozzle substrate in which one or more nozzle orifices is formed to eject droplets. The liquid repellent layer includes a first sub-layer and a second sub-layer. The first sub-layer contains a higher proportion of low-molecular-weight molecules than the second sub-layer. The second sub-layer contains a higher proportion of high-molecular-weight molecules than the first sub-layer. Both the first sub-layer and the second sub-layer are exposed on a surface of the nozzle formation member.
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申请公布号 |
US2010053269(A1) |
申请公布日期 |
2010.03.04 |
申请号 |
US20090548730 |
申请日期 |
2009.08.27 |
申请人 |
RICOH COMPANY, LTD. |
发明人 |
FUJII KAORI;HASHIMOTO KENICHIROH;URASAKI KOHZOH;HIRATSUKA YUTA |
分类号 |
B41J2/135;B23P17/00 |
主分类号 |
B41J2/135 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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