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:
Mar. 30, 2010
Filed:
Feb. 23, 2007
Applicants:
Hisayoshi Matsuo, Osaka, JP;
Tetsuzo Ueda, Osaka, JP;
Inventors:
Hisayoshi Matsuo, Osaka, JP;
Tetsuzo Ueda, Osaka, JP;
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/072 (2006.01);
U.S. Cl.
CPC ...
Abstract
A field-effect transistor has a so-called double heterostructure which is formed such that a channel layer through which electrons travel is provided between an electron supply layer and a liner layer, wherein a forbidden band width of the liner layer and a forbidden band width of the electron supply layer are broader than a forbidden bandwidth of the channel layer.