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:
Nov. 22, 2005
Filed:
Oct. 31, 2003
Taiji Morimoto, Nara, JP;
Keisuke Miyazaki, Ikoma, JP;
Masaki Tatsumi, Tenri, JP;
Kazuhiko Wada, Yamatokoriyama, JP;
Yoshiaki Ueda, Tenri, JP;
Taiji Morimoto, Nara, JP;
Keisuke Miyazaki, Ikoma, JP;
Masaki Tatsumi, Tenri, JP;
Kazuhiko Wada, Yamatokoriyama, JP;
Yoshiaki Ueda, Tenri, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
There is provided a semiconductor laser device having on a single substrate a plurality of laser portions each oscillating laser light of a different wavelength, the plurality of laser portions containing different types, respectively, of dopant. There is also provided a method of fabricating a semiconductor laser device, forming on a single substrate a plurality of laser portions each oscillating laser light of a different wavelength, initially forming a laser portion in a crystal growth method and subsequently forming another laser portion in a different crystal growth method.