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:
Oct. 08, 2024
Filed:
Oct. 22, 2021
Applicant:
Wolfspeed, Inc., Durham, NC (US);
Inventors:
Kyle Bothe, Cary, NC (US);
Evan Jones, Durham, NC (US);
Assignee:
WOLFSPEED, INC., Durham, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/778 (2006.01); H01L 29/20 (2006.01); H01L 29/45 (2006.01);
U.S. Cl.
CPC ...
H01L 29/452 (2013.01); H01L 29/2003 (2013.01); H01L 29/7786 (2013.01);
Abstract
A transistor includes a semiconductor layer and a channel region. The transistor further includes a first doped contact region in the semiconductor layer and adjacent the channel region. The transistor further includes a first ohmic contact including an interface region comprising a first interface length between the first ohmic contact and the first doped contact region larger than a length of the interface region.