Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
December 25, 2007
Patent Application Number
10879462
Date Filed
June 28, 2004
Patent Primary Examiner
Patent abstract
The corrosion of aluminum-based metal films may be minimized by applying a lactate-containing solution to the aluminum-based metal films before the aluminum-based metal films are etched. The lactate-containing solution is applied to the aluminum-based metal film before the film is etched with a corrosive etchant. Minimizing the corrosion of the aluminum-based film may increase the yield and performance of the highly reflective pixel arrays that are formed from the aluminum-based metal for use in liquid crystal on silicon (LCOS) microprocessors for digital televisions.
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