Metal working – Method of mechanical manufacture – Fluid pattern dispersing device making – e.g. – ink jet
Reexamination Certificate
2008-05-13
2008-05-13
Tugbang, A. Dexter (Department: 3729)
Metal working
Method of mechanical manufacture
Fluid pattern dispersing device making, e.g., ink jet
C029S896600, C347S044000, C347S047000, C427S282000, C205S075000, C204S192100, C204S192110
Reexamination Certificate
active
07370416
ABSTRACT:
A method of manufacturing an injector plate is provided where a wafer is provided and a release layer is disposed on the wafer. Then a photo resist is formed over the release layer. After photolithography processing, a plurality of plugs are formed from the photo resist. A titanium layer is sputtered on the release layer and on the plurality of plugs. The plugs are removed so that the titanium layer has a plurality of openings. An injector plate fabricated from this method has the characteristics of biocompatibility with a plurality of fine-pitch openings with uniform diameters.
REFERENCES:
patent: 4675083 (1987-06-01), Bearss et al.
patent: 3-274160 (1991-12-01), None
patent: 410271 (2000-11-01), None
Chao Yeong-Ching
Liu An-Hong
Wang Jiun-Heng
ChipMOS Technologies (Bermuda) Ltd.
ChipMOS Technologies Inc.
Troxell Law Office PLLC
Tugbang A. Dexter
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