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. 16, 2021
Filed:
Aug. 23, 2018
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Noboru Asauchi, Yamagata, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J 1/04 (2006.01); G01J 3/32 (2006.01); G01J 1/02 (2006.01); G01J 3/02 (2006.01); G01J 1/44 (2006.01);
U.S. Cl.
CPC ...
G01J 1/0437 (2013.01); G01J 1/0204 (2013.01); G01J 1/0214 (2013.01); G01J 1/0488 (2013.01); G01J 3/0256 (2013.01); G01J 3/0262 (2013.01); G01J 3/32 (2013.01); G01J 1/44 (2013.01);
Abstract
An optical module includes a substrate that has a first surface and a second surface opposite to the first surface and provided with a first hole portion having an opening surface on at least the first surface, an optical element that is provided on the substrate, the optical element having an optical axis located along a thickness direction from the first surface toward the second surface and located in the first hole portion, and a first light shielding portion that is provided on an inner peripheral surface which intersects the opening surface of the first hole portion and has a higher light shielding property than the substrate.