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:
Apr. 06, 2010
Filed:
Dec. 14, 2006
Applicants:
Satoshi Murasawa, Hyogo, JP;
Toru Takayama, Nara, JP;
Hisashi Nakayama, Aichi, JP;
Yasuhiro Fujimoto, Okayama, JP;
Isao Kidoguchi, Hyogo, JP;
Inventors:
Satoshi Murasawa, Hyogo, JP;
Toru Takayama, Nara, JP;
Hisashi Nakayama, Aichi, JP;
Yasuhiro Fujimoto, Okayama, JP;
Isao Kidoguchi, Hyogo, JP;
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a monolithic dual wavelength laser device in which an infrared laser partand a red laser partare built on one n-type GaAs substrate, a p-type first cladding layerof the infrared laser partand a p-type first cladding layerof the red laser partare made of the same material and have different impurity concentrations.