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. 04, 2023
Filed:
Feb. 11, 2020
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 17/06 (2006.01); G02B 5/10 (2006.01); G03B 35/08 (2021.01); B60R 11/04 (2006.01); B60R 11/00 (2006.01);
U.S. Cl.
CPC ...
G02B 17/0663 (2013.01); B60R 11/04 (2013.01); G02B 5/10 (2013.01); G03B 35/08 (2013.01); B60R 2011/0003 (2013.01);
Abstract
Provided is a reflective optical element that is lightweight and excellent in damping capacity. In the reflective optical element, a resin layer having an optical surface is formed on a metal substrate, and a reflective film is formed on the optical surface, and also, the metal substrate includes an alloy containing Mg as a main component.