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:
Aug. 07, 1990
Filed:
May. 01, 1989
Applicant:
Inventors:
Mitsuo Ishii, Itami, JP;
Seiichi Nagai, Itami, JP;
Kazuyoshi Hasegawa, Itami, JP;
Toshio Tanaka, Itami, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
357 71 ; 357 80 ;
Abstract
A submount for a semiconductor laser element includes a substrate and a barrier layer disposed on opposed surfaces of the substrate and including a plurality of layers wherein the outermost layer of the barrier layers is Au and Ag. A metal alloy solder layer comprising Sn, Ag, and Sb is deposited on the barrier layers.