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:
Sep. 02, 2003
Filed:
Sep. 28, 2000
Applicant:
Inventor:
Satoshi Sugahara, Kashihara, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C30B 2/938 ;
U.S. Cl.
CPC ...
C30B 2/938 ;
Abstract
A gallium nitride-based compound semiconductor chip comprises a gallium nitride substrate having a (0001) facet of a wurtzite type crystal structure as a principal facet and a gallium nitride-based compound semiconductor crystal formed on the gallium nitride substrate, wherein: the gallium nitride-based compound semiconductor chip has a plurality of division facets and at least one of the plurality of division facets of the gallium nitride-based compound semiconductor chip is in a cleave facet direction of the gallium nitride substrate.