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:
Oct. 28, 2014
Filed:
Mar. 03, 2014
Sumitomo Electric Industries, Ltd., Osaka, JP;
Naho Mizuhara, Itami, JP;
Koji Uematsu, Itami, JP;
Michimasa Miyanaga, Itami, JP;
Keisuke Tanizaki, Itami, JP;
Hideaki Nakahata, Itami, JP;
Seiji Nakahata, Itami, JP;
Takuji Okahisa, Itami, JP;
Sumitomo Electronic Industries, Ltd., Osaka, JP;
Abstract
Group-III nitride crystal composites made up of especially processed crystal slices, cut from III-nitride bulk crystal, whose major surfaces are of {1-10±2}, {11-2±2}, {20-2±1} or {22-4±1} orientation, disposed adjoining each other sideways with the major-surface side of each slice facing up, and III-nitride crystal epitaxially present on the major surfaces of the adjoining slices, with the III-nitride crystal containing, as principal impurities, either silicon atoms or oxygen atoms.