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. 21, 2022
Filed:
Aug. 05, 2020
Applicant:
Furukawa Electric Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
FURUKAWA ELECTRIC CO., LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01S 5/00 (2006.01); H01S 5/02251 (2021.01); H01S 5/02216 (2021.01); H01S 5/0683 (2006.01);
U.S. Cl.
CPC ...
H01S 5/02216 (2013.01); H01S 5/0064 (2013.01); H01S 5/02251 (2021.01); H01S 5/0683 (2013.01);
Abstract
A lid portion, that is mounted on a package that houses an optical isolator at a certain position, includes: a main body portion that is in contact with an upper end portion of a sidewall of the package; and a thick portion that is provided on a lower surface of the main body portion and determines a position of the lid portion with respect to the package. Further, the thick portion is provided on the lower surface other than a lower surface region of the main body portion, the lower surface region being directly above the optical isolator housed in the package when the lid portion is mounted on the package.