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:
Aug. 10, 2010
Filed:
Dec. 22, 2007
Shingo Masui, Anan, JP;
Tomonori Morizumi, Anan, JP;
Shingo Masui, Anan, JP;
Tomonori Morizumi, Anan, JP;
Nichia Corporation, Anan-shi, JP;
Abstract
A nitride semiconductor laser element comprises a substrate, a nitride semiconductor layer that is laminated on the substrate and that has a ridge on its surface, and an electrode that is electrically connected with the nitride semiconductor layer, wherein there is provided an insulating protective film produced by forming a monocrystalline first film or a first film containing hexagonal crystals, and extending from the side faces of the ridge to the nitride semiconductor layer on both sides of the ridge, and a second film containing a polycrystalline or amorphous substance, from the nitride semiconductor layer side, in this order.