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:
May. 26, 2026

Filed:

Oct. 25, 2022
Applicant:

Rohm Co., Ltd., Kyoto, JP;

Inventor:

Kazunori Fuji, Kyoto, JP;

Assignee:

ROHM CO., LTD., Kyoto, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H10W 74/10 (2026.01); H10W 42/00 (2026.01); H10W 70/40 (2026.01);
U.S. Cl.
CPC ...
H10W 74/111 (2026.01); H10W 42/121 (2026.01); H10W 70/457 (2026.01);
Abstract

A package structure includes a metal member and a resin member. The metal member has an obverse surface facing one side in a first direction. The resin member is disposed in contact with at least a portion of the obverse surface. The obverse surface has a roughened area. The roughened area includes a plurality of first trenches recessed from the obverse surface, each of the first trenches having a surface with a greater roughness than the obverse surface. The plurality of first trenches extend in a second direction perpendicular to the first direction and are next to each other in a third direction perpendicular to the first direction and the second direction. The plurality of first trenches are filled up with the resin member.


Find Patent Forward Citations

Fuji, Kazunori. (2026). Package structure, semiconductor device, and formation method for package structure (U.S. Patent No. 12642123). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12642123

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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