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.

Date of Patent:
Jan. 05, 2021

Filed:

Aug. 19, 2019
Applicant:

Renesas Electronics Corporation, Tokyo, JP;

Inventors:

Kazuaki Tsuchiyama, Tokyo, JP;

Motoo Suwa, Tokyo, JP;

Hidemasa Takahashi, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 5/00 (2006.01); H01S 5/022 (2006.01); H01S 5/042 (2006.01);
U.S. Cl.
CPC ...
H01S 5/02244 (2013.01); H01S 5/02212 (2013.01); H01S 5/02248 (2013.01); H01S 5/02276 (2013.01); H01S 5/0427 (2013.01);
Abstract

Improve semiconductor device performance. The wiring WLA on which the semiconductor chip CHPin which the semiconductor lasers LD is formed is mounted has a stub STBin the vicinity of the mounting area of the semiconductor chip CHP


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