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:
Mar. 18, 2025
Filed:
Jul. 31, 2020
Applicant:
Stemco Co., Ltd., Cheongju-si, KR;
Inventors:
Assignee:
STEMCO CO., LTD., Cheongju-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 1/18 (2006.01); H05K 1/11 (2006.01); H05K 3/28 (2006.01);
U.S. Cl.
CPC ...
H05K 3/282 (2013.01); H05K 1/111 (2013.01); H05K 1/18 (2013.01); H05K 2201/10674 (2013.01);
Abstract
A circuit board includes: a base substrate in which a protective layer formation region is defined; a wiring pattern which is formed on the base substrate and which has at least a portion formed in the protective layer formation region; a protective layer fixed onto the protective layer formation region and formed of a protective material; and a bleed prevention pattern formed on the base substrate so as to prevent the protective material from flowing beyond the protective layer formation region when the protective layer is formed.