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:
Jul. 19, 2005
Filed:
Mar. 01, 2001
Applicants:
Masayuki Saitoh, Hamamatsu, JP;
Hirofumi Kan, Hamamatsu, JP;
Inventors:
Masayuki Saitoh, Hamamatsu, JP;
Hirofumi Kan, Hamamatsu, JP;
Assignee:
Hamamatsu Photonics K.K., Shizuoka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S005/00 ;
U.S. Cl.
CPC ...
Abstract
This semiconductor laser device comprises a semiconductor laser element, which is provided with a Cr layerand an Au layer, a silicon submount, which is provided with a Cr layerand an Au layer, and a metal base. The surface of the semiconductor laser elementon which the Au layeris provided and the surface of the silicon submounton which the Au layeris provided are directly joined together.