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:
Sep. 13, 2016
Filed:
Jul. 20, 2015
Fuji Xerox Co., Ltd., Tokyo, JP;
Junichiro Hayakawa, Kanagawa, JP;
Masaya Kumei, Kanagawa, JP;
Akemi Murakami, Kanagawa, JP;
Takashi Kondo, Kanagawa, JP;
Kazutaka Takeda, Kanagawa, JP;
Jun Sakurai, Kanagawa, JP;
FUJI XEROX CO., LTD., Tokyo, JP;
Abstract
Provided is a surface-emitting semiconductor laser device including a substrate; a semiconductor layer formed on the substrate, the semiconductor layer including a first semiconductor multilayer film of a first conductivity type, an active region, and a second semiconductor multilayer film of a second conductivity type, the first semiconductor multilayer film and the second semiconductor multilayer film forming a cavity; and an oxidation-resistant structure including a groove formed along at least a portion of an outer periphery of the semiconductor layer and an oxidation-resistant portion formed on a surface of the groove.