发明名称 |
Substrate and method of forming substrate for fluid ejection device |
摘要 |
A method of forming an opening through a substrate having a first side and a second side opposite the first side includes forming spaced stops in the first side of the substrate, partially forming a first portion of the opening in the substrate from the second side by a first process, further forming the first portion of the opening in the substrate from the second side by a second process, including forming the first portion of the opening to the spaced stops, and forming a second portion of the opening in the substrate from the first side, including forming the second portion of the opening between the spaced stops.
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申请公布号 |
US6910758(B2) |
申请公布日期 |
2005.06.28 |
申请号 |
US20030619639 |
申请日期 |
2003.07.15 |
申请人 |
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. |
发明人 |
TRUNINGER MARTHA A.;LEITH STEVEN DAVID;HESS JEFFERY S. |
分类号 |
B41J2/16;(IPC1-7):B41J2/16 |
主分类号 |
B41J2/16 |
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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