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.

Date of Patent:
Apr. 08, 2014

Filed:

Nov. 05, 2012
Applicant:

University of South Carolina, Columbia, SC (US);

Inventors:

M. Asif Khan, Irmo, SC (US);

Vinod Adivarahan, Columbia, SC (US);

Qhalid Fareed, Richardson, TX (US);

Grigory Simin, Columbia, SC (US);

Naveen Tipimeni, Plano, TX (US);

Assignee:

University of South Carolina, Columbia, SC (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/66 (2006.01);
U.S. Cl.
CPC ...
Abstract

Methods of achieving high breakdown voltages in semiconductor devices by suppressing the surface flashover using high dielectric strength insulating encapsulation material are generally described. In one embodiment of the present invention, surface flashover in AlGaN/GaN heterostructure field-effect transistors (HFETs) is suppressed by using high dielectric strength insulating encapsulation material. Surface flashover in as-fabricated III-Nitride based HFETs limits the operating voltages at levels well below the breakdown voltages of GaN.


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