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:
Jul. 09, 2019
Filed:
Aug. 29, 2016
Applicant:
Topcon Corporation, Tokyo, JP;
Inventors:
Hiroki Fukaya, Tokyo, JP;
Kenichiro Miyazawa, Tokyo, JP;
Assignee:
TOPCON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/115 (2015.01); G02B 5/28 (2006.01); A61B 3/10 (2006.01); C03C 17/34 (2006.01);
U.S. Cl.
CPC ...
G02B 1/115 (2013.01); C03C 17/3452 (2013.01); G02B 5/285 (2013.01); A61B 3/102 (2013.01); C03C 2217/734 (2013.01);
Abstract
An antireflection film is provided on a substrate. The antireflection film includes at least nine layers. An outermost layer of the nine layers is formed by SiOor MgF.