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:
Jun. 27, 2006
Filed:
Nov. 25, 2003
Applicants:
Mizunori Ezaki, Kanagawa-ken, JP;
Michihiko Nishigaki, Kanagawa-ken, JP;
Keiji Takaoka, Kanagawa-ken, JP;
Inventors:
Mizunori Ezaki, Kanagawa-ken, JP;
Michihiko Nishigaki, Kanagawa-ken, JP;
Keiji Takaoka, Kanagawa-ken, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A vertical-cavity surface emitting laser diode comprises: a first and a second reflectors; an active layer provided between the first and the second reflectors; and an oxidizee layer having a non-oxidized part and an oxidized part provided around the non-oxidized part. An electric current is injected into the non-oxidized part. The oxidizee layer has a proton-containing part including proton at least at a position substantially enclosing the non-oxidized part.