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:
Sep. 08, 2015
Filed:
Oct. 19, 2010
Applicant:
Norishige Kakegawa, Chofu, JP;
Inventor:
Norishige Kakegawa, Chofu, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/00 (2006.01); C03C 17/34 (2006.01); C03C 1/00 (2006.01); G02B 1/115 (2015.01); G02B 1/118 (2015.01);
U.S. Cl.
CPC ...
C03C 17/3417 (2013.01); C03C 1/008 (2013.01); G02B 1/115 (2013.01); G02B 1/118 (2013.01); C03C 2217/425 (2013.01); C03C 2217/465 (2013.01); C03C 2217/73 (2013.01); C03C 2217/77 (2013.01);
Abstract
An optical member includes a glass substrate and an antireflection film disposed on a surface of the glass substrate. The antireflection film includes an oxide layer mainly composed of aluminum oxide and having a textured shape in a surface and