Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 8, 2011
Patent Application Number
12164649
Date Filed
June 30, 2008
Patent Primary Examiner
Patent abstract
A projector with a specially manufactured optical compensation element is disclosed. One method of manufacturing the optical compensation element temporarily attaches an inorganic substrate made of a birefringent inorganic material to a base member with a temporary bond, grinds/polishes the inorganic substrate, attaches a light transmissive support substrate to a surface of the inorganic substrate on the opposite side to the side of the base member, and separates the inorganic substrate with the light transmissive support substrate from the base member.
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