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. 02, 1991
Filed:
Jan. 26, 1990
Applicant:
Inventors:
Assignee:
Nippon CMK Corp., , JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K / ;
U.S. Cl.
CPC ...
174264 ; 174265 ; 174 / ;
Abstract
A double sided or multi-layered printed circuit board comprises an insulating substrate having conductors on opposed major surfaces thereof which are electrically connected together via a through-hole. A sealing member composed of conductive resin fills the through-hole. An insulating layer covers the conductors and sealing member, and an electronic wave-shielding layer covers the insulating layer.
Kawakami, Shin. (1991). Printed circuit board with filled throughholes (U.S. Patent No. 5028743). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5028743
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile