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:
Oct. 17, 2017

Filed:

May. 09, 2016
Applicants:

Qatar University, Doha, QA;

Texas A&m University System, College Station, TX (US);

Inventors:

Aditya Chandra Sai Ratcha, Kingsville, TX (US);

Amit Verma, Cypress, TX (US);

Reza Nekovei, Corpus Christi, TX (US);

Mahmoud M. Khader, Doha, QA;

Assignees:

QATAR UNIVERSITY, Doha, QA;

TEXAS A&M UNIVERSITY SYSTEM, College Station, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/66 (2006.01); H01L 31/11 (2006.01); H01L 31/0304 (2006.01); H01L 31/0352 (2006.01); H01L 31/18 (2006.01);
U.S. Cl.
CPC ...
H01L 31/1105 (2013.01); H01L 31/03046 (2013.01); H01L 31/03529 (2013.01); H01L 31/035263 (2013.01); H01L 31/1844 (2013.01);
Abstract

Certain embodiments of the present invention may be directed to a transistor structure. The transistor structure may include a semiconductor substrate. The semiconductor substrate may include a drift region, a collector region, an emitter region, and a lightly-doped/undoped region. The lightly-doped/undoped region may be lightly-doped and/or undoped. The transistor structure may also include a heterostructure. The heterostructure forms a heterojunction with the lightly-doped/undoped region. The transistor structure may also include a collector terminal. The collector terminal is in contact with the collector region. The transistor structure may also include a gate terminal. The gate terminal is in contact with the heterostructure. The transistor structure may also include an emitter terminal. The emitter terminal is in contact with the lightly-doped/undoped region and the emitter region.


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