Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
April 29, 2008
Patent Application Number
11385752
Date Filed
March 22, 2006
Patent Primary Examiner
Patent abstract
A washing process to sufficiently remove contaminants attached on the surface of an optical film is proposed. Specifically, disclosed is a method of manufacturing an optical film, wherein the method possesses the steps of spraying onto at least one surface of a transparent film a solidified blast material via cooling that is a gas or a liquid at normal temperature and pressure, washing the at least one surface of the transparent film, and coating at least one optically functional layer on the washed surface of the transparent film.
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