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:
Jul. 04, 2023
Filed:
Oct. 07, 2021
Shinko Electric Industries Co., Ltd., Nagano, JP;
Kenichi Mori, Nagano, JP;
SHINKO ELECTRIC INDUSTRIES CO., LTD., Nagano, JP;
Abstract
A circuit board includes a substrate having an end surface, and a principal surface on which an electronic component is mounted, a first region, provided on the principal surface, and coated with a moistureproof agent, a second region, provided on the principal surface, and prohibited from being coated with the moistureproof agent, and a groove having two ends, formed in the principal surface, between the first region and the second region. The two ends of the groove reach the end surface of the substrate. The groove includes a guiding part, configured to guide the moistureproof agent overflowing from the first region into the groove, provided at a portion of the groove farthest away from the end surface.