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:
Sep. 05, 2023

Filed:

May. 20, 2021
Applicant:

Wolfspeed, Inc., Durham, NC (US);

Inventors:

Kyle Bothe, Cary, NC (US);

Jeremy Fisher, Raleigh, NC (US);

Matt King, Wake Forest, NC (US);

Jia Guo, Apex, NC (US);

Qianli Mu, San Jose, CA (US);

Scott Sheppard, Chapel Hill, NC (US);

Assignee:

Wolfspeed, Inc., Durham, NC (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/40 (2006.01); H01L 29/66 (2006.01); H01L 29/20 (2006.01); H01L 29/778 (2006.01);
U.S. Cl.
CPC ...
H01L 29/404 (2013.01); H01L 29/2003 (2013.01); H01L 29/402 (2013.01); H01L 29/66462 (2013.01); H01L 29/778 (2013.01); H01L 29/7786 (2013.01);
Abstract

A transistor device includes a semiconductor layer, source and drain contacts on the semiconductor layer, a gate contact on the semiconductor layer between the source and drain contacts, and a field plate over the semiconductor layer between the gate contact and the drain contact. The transistor device includes a first electrical connection between the field plate and the source contact that is outside an active region of the transistor device, and a second electrical connection between the field plate and the source contact.


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