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:
Oct. 25, 2005
Filed:
Feb. 27, 2004
Applicants:
Mitsuharu Sawamura, Kanagawa, JP;
Shumpei Tatsumi, Kanagawa, JP;
Inventors:
Mitsuharu Sawamura, Kanagawa, JP;
Shumpei Tatsumi, Kanagawa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B005/08 ; G02B007/182 ;
U.S. Cl.
CPC ...
Abstract
A reflection mirror includes an underlaying layer, a reflection layer, and a protective layer on a resin substrate in the order from the resin substrate, in which the reflection layer is composed of an Ag film, each of the underlaying layer and the protective layer includes at least one TiOfilm and at least one AlOfilm, and a film of the underlaying layer contacting the resin substrate is a TiOfilm.