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. 21, 2007
Filed:
Mar. 29, 2004
Kunio Takeuchi, Joyo, JP;
Ryoji Hiroyama, Kyo-tanabe, JP;
Daijiro Inoue, Kyoto, JP;
Shigeyuki Okamoto, Kobe, JP;
Noriaki Matsuoka, Kyo-tanabe, JP;
Shingo Kameyama, Hirakata, JP;
Kiyoshi Oota, Neyagawa, JP;
Kunio Takeuchi, Joyo, JP;
Ryoji Hiroyama, Kyo-tanabe, JP;
Daijiro Inoue, Kyoto, JP;
Shigeyuki Okamoto, Kobe, JP;
Noriaki Matsuoka, Kyo-tanabe, JP;
Shingo Kameyama, Hirakata, JP;
Kiyoshi Oota, Neyagawa, JP;
Sanyo Electric Co., Ltd., Osaka, JP;
Abstract
A semiconductor laser device capable of improving heat dissipativity, simplifying the fabrication process and improving the fabrication yield is obtained. This semiconductor laser device comprises a semiconductor layer formed on an emission layer while constituting a convex ridge portion, a current blocking layer consisting of a semiconductor formed to cover at least the side surfaces of the ridge portion, a first metal electrode formed to be in contact with the upper surface of the ridge portion and convex support portions arranged on both sides of the ridge portion at a prescribed interval from the ridge portion.