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:
Jun. 04, 2024
Filed:
Jul. 15, 2020
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Takeo Funakawa, Chino, JP;
Assignee:
SEIKO EPSON CORPORATION, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04B 45/02 (2006.01); G04B 1/16 (2006.01); G04B 13/02 (2006.01); G04B 17/06 (2006.01); G04B 17/32 (2006.01);
U.S. Cl.
CPC ...
G04B 17/32 (2013.01); G04B 1/16 (2013.01); G04B 13/02 (2013.01); G04B 17/063 (2013.01); G04B 45/02 (2013.01);
Abstract
For example, an escape gear portion as a watch component includes a substrate containing silicon as a main component, and a light reflecting layer including a first silicon oxide layer, a silicon layer, and a second silicon oxide layer that are stacked, in this order, at the substrate, wherein, when the light reflecting layer is viewed in plan view, the light reflecting layer includes a first region and a second region, and a thickness of the silicon layer in the first region is different from a thickness of the silicon layer in the second region.