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:
Jun. 29, 2010
Filed:
Apr. 13, 2007
Applicant:
Christopher Harris, Taby, SE;
Inventor:
Christopher Harris, Taby, SE;
Assignee:
Cree, Inc., Durham, NC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/778 (2006.01);
U.S. Cl.
CPC ...
Abstract
A high electron mobility device and method of making is provided whereby a two-dimensional electron gas is formed at a hetero-junction or hetero-interface between different polytypes of a semiconductor material. The different crystal forms or polytypes of the semiconductor material having different electronic bandgaps are used to provide the bandgap necessary to form the two-dimensional electron gas.