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:
Apr. 21, 2025
Filed:
Apr. 02, 2023
Applicant:
Rohm Co., Ltd., Kyoto, JP;
Inventors:
Assignee:
ROHM CO., LTD., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/498 (2005.12); H01L 21/48 (2005.12); H01L 23/31 (2005.12);
U.S. Cl.
CPC ...
H01L 23/49861 (2012.12); H01L 21/485 (2012.12); H01L 23/3121 (2012.12); H01L 23/49866 (2012.12);
Abstract
There is provided a semiconductor device including: a lead frame including a first opening portion; a resin filled in the first opening portion; and a semiconductor element electrically connected to the lead frame, wherein a side wall surface of the lead frame in the first opening portion has a larger average surface roughness than an upper surface of the lead frame.
Zhang, Bin. (2025). Semiconductor device, method of manufacturing semiconductor device, and module (U.S. Patent No. 12283540). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12283540
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile