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. 06, 2013
Filed:
Jan. 18, 2012
Sanae Shimizu, Kawasaki, JP;
Atsushi Yamada, Kawasaki, JP;
Sanae Shimizu, Kawasaki, JP;
Atsushi Yamada, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A compound semiconductor device including: a substrate; an electron transit layer formed on and above the substrate; and an electron supply layer formed on and above the electron transit layer, wherein a first region or regions having a smaller thermal expansion coefficient than the electron transit layer and a second region or regions having a larger thermal expansion coefficient than the electron transit layer are mixedly present on a surface of the substrate.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile