| 发明名称 |
Plurality of barrier layers |
| 摘要 |
A fluid ejection device comprises a substrate having a first surface; a fluid ejector formed over the first surface; and a cover layer defining a firing chamber formed about the fluid ejector, and defining a nozzle over the firing chamber. The cover layer is formed by at least two SU8 layers.
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| 申请公布号 |
US6739519(B2) |
申请公布日期 |
2004.05.25 |
| 申请号 |
US20020210561 |
申请日期 |
2002.07.31 |
| 申请人 |
HEWLETT-PACKARD DEVELOPMENT COMPANY, LP. |
发明人 |
STOUT JOE E.;STRAND THOMAS R.;DONALDSON JEREMY H.;BENNING PAUL |
| 分类号 |
B41J2/14;B41J2/16;(IPC1-7):B05B1/08 |
主分类号 |
B41J2/14 |
| 代理机构 |
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