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:
Feb. 18, 1992
Filed:
Apr. 16, 1991
Haruo Tanaka, Shiga, JP;
Tetsuichi Inoue, Kyoto, JP;
Rohm Co., Ltd., Kyoto, JP;
Abstract
The present invention provides a semiconductor laser device which comprises a metallic stem, a cap mounted to one surface of the stem, a mounting block arranged to project from the one surface of the stem into the cap, and a semiconductor laser chip by the mounting block. The stem comprises a first stem member and a second member joined to the first stem member in lamination thereto. The first stem member is formed with a cutting line partially surrounding a portion of the first stem member. The mounting block is provided by bending the partially surrounded portion into the cap to leave a corresponding perforation in the first stem member.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile