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:
May. 24, 2011

Filed:

Nov. 06, 2009
Applicant:

Noriyuki Yoshikawa, Osaka, JP;

Inventor:

Noriyuki Yoshikawa, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 3/00 (2006.01); H01S 3/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A semiconductor laser apparatus of the present invention includes: a semiconductor laser chiphaving an electrodeformed on a surface of the semiconductor laser chip; a heat sinkfor the semiconductor laser chip; a submountdisposed between the semiconductor laser chipand the heat sinkand bonded to the semiconductor laser chipand the heat sink; and recessed marksformed on the surface of the semiconductor laser chipby partially removing the electrode, wherein the semiconductor laser chipis longer in the resonator direction than in a direction orthogonal to the resonator direction, and the recessed marksare disposed within a predetermined distance from each of the front and rear end faces of the semiconductor laser chip.


Find Patent Forward Citations

Yoshikawa, Noriyuki. (2011). Semiconductor laser apparatus (U.S. Patent No. 7949023). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7949023

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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