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:
Mar. 14, 2006
Filed:
Aug. 08, 2003
Applicants:
Mamoru Miyachi, Tsurugashima, JP;
Hiroyuki Ota, Tsurugashima, JP;
Inventors:
Mamoru Miyachi, Tsurugashima, JP;
Hiroyuki Ota, Tsurugashima, JP;
Assignee:
Pioneer Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01); H01S 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A group-III nitride semiconductor laser device with excellent optical characteristics and its manufacturing method are provided. The method does not include steps that require high assembly precision. The group-III nitride semiconductor laser device comprises a substrate which has a cut-out portion. A laser facet of a multi-layer body is located near the cut-out portion of the substrate.