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:
Mar. 08, 2022
Filed:
Dec. 17, 2019
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Kei Kudo, Shiojiri, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/21 (2006.01); G01J 3/12 (2006.01);
U.S. Cl.
CPC ...
G02F 1/21 (2013.01); G01J 3/12 (2013.01); G01J 2003/1247 (2013.01); G02F 1/213 (2021.01);
Abstract
An optical moduleincludes a first substrateincluding an optical filter devicehaving a wavelength variable interference filterbuilt therein, a second substrateincluding a light receiving element, and a first supporterthat mechanically or electrically joins the first substrateand the second substrateto each other, in which the wavelength variable interference filterand the light receiving elementare disposed to face each other by the first supporter, and the first substrateand the second substrateare joined to each other by the first supporterwith a gap Sin which a circuit elementis mountable.