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:
Feb. 11, 2025

Filed:

Jan. 27, 2021
Applicant:

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

Inventors:

Sayan Seal, Fayetteville, AR (US);

Kuldeep Saxena, Sewickley, PA (US);

Devarajan Balaraman, Apex, NC (US);

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/498 (2006.01); H01L 23/31 (2006.01);
U.S. Cl.
CPC ...
H01L 23/49838 (2013.01); H01L 23/3121 (2013.01); H01L 23/49811 (2013.01); H01L 23/49861 (2013.01);
Abstract

A packaged electronic device comprises a power semiconductor die that comprises a first terminal and a second terminal, a lead frame comprising a lower side and an upper side that comprises a die pad region, a first lead and a second lead, wherein the first lead is integral with the lead frame and electrically connected to the first terminal of the power semiconductor die through the lead frame, a dielectric substrate, and a thermally conductive adhesion layer on an upper side of the dielectric substrate. The power semiconductor die is on the die pad region of the lead frame and the lead frame is on an upper side of the thermally conductive adhesion layer.


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