The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 29, 2008
Filed:
Mar. 22, 2006
Applicants:
Takeshi Tanaka, Kobe, JP;
Takashi Murakami, Hachioji, JP;
Inventors:
Takeshi Tanaka, Kobe, JP;
Takashi Murakami, Hachioji, JP;
Assignee:
Konica Minolta Opto, Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F26B 5/04 (2006.01);
U.S. Cl.
CPC ...
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.