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:
May. 26, 2026
Filed:
Jun. 23, 2022
Applicant:
Wolfspeed, Inc., Durham, NC (US);
Inventors:
Madankumar Sampath, Morrisville, NC (US);
Woongsun Kim, Cary, NC (US);
Naeem Islam, Morrisville, NC (US);
Sei-Hyung Ryu, Cary, NC (US);
Assignee:
Wolfspeed, Inc., Durham, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10D 64/00 (2025.01); H10D 12/01 (2025.01); H10D 30/66 (2025.01); H10D 62/832 (2025.01); H10D 64/01 (2025.01);
U.S. Cl.
CPC ...
H10D 64/118 (2025.01); H10D 12/031 (2025.01); H10D 30/668 (2025.01); H10D 62/8325 (2025.01); H10D 64/01 (2025.01);
Abstract
A semiconductor device includes a semiconductor layer structure comprising a gate trench formed in an upper surface thereof, a gate finger in the gate trench, a supplemental dielectric layer on an upper surface of the gate finger and vertically overlaps the gate trench, and a gate connector on an upper surface of the supplemental dielectric layer and on an upper surface of the gate finger.