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:
May. 30, 1978
Filed:
Jan. 07, 1977
Applicant:
Inventors:
Isamu Sakuma, Tokyo, JA;
Hiroo Yonezu, Tokyo, JA;
Katsuhiko Nishida, Tokyo, JA;
Taibun Kamejima, Tokyo, JA;
Tonao Yuasa, Tokyo, JA;
Masayasu Ueno, Tokyo, JA;
Toshio Uji, Tokyo, JA;
Yasuo Nannichi, Tokyo, JA;
Izuo Hayashi, Tokyo, JA;
Assignee:
Nippon Electric Co., Ltd., Tokyo, JA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S / ;
U.S. Cl.
CPC ...
331 / ; 307312 ; 331 / ; 357 18 ; 357 19 ; 357 81 ;
Abstract
A semiconductor laser device in which at least one of the main surfaces of a semiconductor laser crystal body which generates heat during operation is brought into thermal contact with a silicon crystal heat-sink body.