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. 24, 2022
Filed:
Feb. 03, 2020
Applicant:
Rohm Co., Ltd., Kyoto, JP;
Inventors:
Assignee:
ROHM CO., LTD., Kyoto, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/64 (2006.01); H01L 23/495 (2006.01); H01L 23/31 (2006.01); H01L 21/48 (2006.01); H01L 21/56 (2006.01); H02M 3/155 (2006.01); H01L 29/20 (2006.01); H01L 29/778 (2006.01);
U.S. Cl.
CPC ...
H01L 23/645 (2013.01); H01L 21/4825 (2013.01); H01L 21/4842 (2013.01); H01L 21/565 (2013.01); H01L 23/3114 (2013.01); H01L 23/4951 (2013.01); H01L 23/49562 (2013.01); H01L 23/49568 (2013.01); H01L 23/3107 (2013.01); H01L 29/2003 (2013.01); H01L 29/7787 (2013.01); H02M 3/155 (2013.01);
Abstract
A semiconductor device includes a lead frame, a transistor, and an encapsulation resin. The lead frame includes a drain frame, a source frame, and a gate frame. The drain frame includes drain frame fingers. The source frame includes source frame fingers. The drain frame fingers and the source frame fingers are alternately arranged in a first direction and include overlapping portions as viewed from a first direction. In a region where each drain frame finger overlaps the source frame fingers as viewed in the first direction, at least either one of the drain frame fingers and the source frame fingers are not exposed from the back surface of the encapsulation resin.