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:
Dec. 05, 1989
Filed:
Mar. 29, 1988
Applicant:
Inventors:
Shin Kawakami, Saitama, JP;
Satoshi Haruyama, Saitama, JP;
Hirotaka Okonogi, Saitama, JP;
Katutomo Nikaido, Saitama, JP;
Norito Mukai, Saitama, JP;
Assignee:
Nippon CMK Corp., Saitama, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H05K / ;
U.S. Cl.
CPC ...
174 685 ; 174 36 ;
Abstract
Outer surface of a printed circuit board having circuit conductors on one or both surfaces may be covered by shield film or layer to shield outer noise from reaching the circuit conductors. To shield cross talk and noise from reaching each other, all electrically exposed surfaces of the circuit conductors are covered also by shield film.
Kawakami, Shin. (1989). Printed circuit board (U.S. Patent No. 4885431). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4885431
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile