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:
Aug. 26, 2025
Filed:
Jun. 01, 2021
Applicant:
Sumitomo Bakelite Co., Ltd., Tokyo, JP;
Inventor:
Nobuo Tagashira, Tokyo, JP;
Assignee:
SUMITOMO BAKELITE CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K 1/02 (2006.01);
U.S. Cl.
CPC ...
H05K 1/0296 (2013.01); H05K 2201/068 (2013.01);
Abstract
A heat radiating substrate includes an insulating layer () (insulating substrate) and a circuit pattern () of a metal provided on the insulating layer () in direct contact with the insulating layer (), in which a contour line of the circuit pattern () has a corner portion () that forms a curved line exhibiting a circular arc with a radius of 0.2 mm or more and 5 mm or less when viewed in a top view.