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. 11, 2010
Filed:
Sep. 07, 2006
Takayuki Nishiura, Itami, JP;
Yoshio Mezaki, Itami, JP;
Takayuki Nishiura, Itami, JP;
Yoshio Mezaki, Itami, JP;
Sumitomo Electric Industries, Ltd., Osaka, JP;
Abstract
A method for working a nitride semiconductor substrate, comprising the steps of: preparing a disk-shaped nitride semiconductor substrate comprising a plurality of striped regions having defect concentration regions in which crystal defect density is higher than in surrounding low defect regions; and forming a cut-out at a specific location along the edge of the nitride semiconductor substrate, using as a reference the direction in which at least one from among the plurality of striped regions extends.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile