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:
May. 17, 2005
Filed:
Sep. 26, 2002
Daisuke Hanaoka, Kyoto, JP;
Daisuke Hanaoka, Kyoto, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A nitride semiconductor laser chipis fixed to a submountserving as a mount member with solderThe submountis made of a material having a thermal expansion coefficient higher than that of a nitride semiconductor substrate, and has a thickness equal to or greater than 1.2 times the thickness of the layered nitride semiconductor structure composed of an n-type GaN substrateand a layered nitride semiconductor portionBetween the n-type GaN substrateand the submountis laid a metal film having a thickness of from 1 to 50 μm.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile