Etching a substrate: processes – Etching to produce porous or perforated article
Patent
1994-11-17
1996-04-23
Powell, William
Etching a substrate: processes
Etching to produce porous or perforated article
216 65, 216 87, B31D 300, B44C 122, C23C 100
Patent
active
055095569
ABSTRACT:
A process of forming an aperture in a metallic sheet including the steps of:
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Howrilka, et al., "Hole Cleaning", IBM Technical Disclosure Bulletin, 21, No. 3, p. 961 (Aug. 1978).
IBM Research Disclosure 26969, "High Resolution Moly Masks By Laser Etching", Sep. 1986, p. 572.
Balz James G.
Johnson Gregory M.
LaPlante Mark J.
Long David C.
Blecker Ira David
International Business Machines - Corporation
Powell William
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