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. 23, 2005
Filed:
Dec. 27, 2002
Hiroshi Shimizu, Tokyo, JP;
Naoki Tsukiji, Tokyo, JP;
Junji Yoshida, Tokyo, JP;
Toshio Kimura, Tokyo, JP;
Yutaka Ohki, Tokyo, JP;
Kouhei Terada, Tokyo, JP;
Hidehiro Taniguchi, Tokyo, JP;
Hiroshi Shimizu, Tokyo, JP;
Naoki Tsukiji, Tokyo, JP;
Junji Yoshida, Tokyo, JP;
Toshio Kimura, Tokyo, JP;
Yutaka Ohki, Tokyo, JP;
Kouhei Terada, Tokyo, JP;
Hidehiro Taniguchi, Tokyo, JP;
The Furukawa Manufacturing Co., Ltd., Tokyo, JP;
Abstract
A semiconductor laser module has a Fabry-Perot type semiconductor laser device, an optical fiber, and first and second lenses. The tip of the optical fiber, on which the laser beam falls, is askew polished. The optical fiber is fixed in such a manner that the axis of the optical fiber makes an angle with respect to an optical axis of the laser beam. Coatings that avoid reflection are formed on the tip of the optical fiber, and on the first and second lenses.