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:
Aug. 11, 2020
Filed:
Sep. 08, 2016
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Tomonari Nakayama, Yokohama, JP;
Kenji Makino, Tokyo, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 5/00 (2006.01); C03C 17/00 (2006.01); G02B 1/111 (2015.01); G02B 1/18 (2015.01); B05D 1/00 (2006.01); B05D 1/18 (2006.01); B05D 1/28 (2006.01); C09D 1/00 (2006.01); C09D 127/18 (2006.01); G02B 27/00 (2006.01); C08K 3/36 (2006.01); C03C 17/42 (2006.01); B05D 5/08 (2006.01); C08K 9/08 (2006.01);
U.S. Cl.
CPC ...
C09D 5/006 (2013.01); B05D 1/18 (2013.01); B05D 1/28 (2013.01); C03C 17/42 (2013.01); C09D 1/00 (2013.01); C09D 127/18 (2013.01); G02B 1/111 (2013.01); G02B 1/18 (2015.01); B05D 1/005 (2013.01); B05D 1/60 (2013.01); B05D 5/086 (2013.01); B05D 2203/35 (2013.01); B05D 2601/22 (2013.01); C03C 2217/425 (2013.01); C03C 2217/445 (2013.01); C03C 2217/478 (2013.01); C03C 2217/734 (2013.01); C03C 2217/75 (2013.01); C08K 3/36 (2013.01); C08K 9/08 (2013.01); G02B 27/0006 (2013.01); G02B 2207/107 (2013.01);
Abstract
An optical member includes a substrate and an antireflection film on the substrate. The antireflection film includes a porous layer at the surface thereof. The porous layer contains silicon oxide particles and a binder. The porous layer is provided with a fluororesin on at least part of the surface of the porous layer. The contact angle of n-hexadecane on the surface of the antireflection film is in the range of 50° to 80°.