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:
Jun. 15, 1993
Filed:
Mar. 15, 1990
Applicant:
Inventors:
Assignee:
Nippon CMK Corp., , JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K / ;
U.S. Cl.
CPC ...
174264 ; 174 / ; 174255 ; 428901 ;
Abstract
A printed wiring board having a shielding layer for use in an integrated circuit is disclosed. The printed wiring board comprises an insulating sheet having a connecting through hole portion, a printed wiring circuit provided on one or both surfaces of the insulating sheet, an insulating layer having a thickness of 20.about.50 .mu.m which is provided on the printed wiring circuit, and an electromagnetic shielding layer provided on the insulating layer.
Kawakami, Shin. (1993). Printed wiring board having shielding layer (U.S. Patent No. 5220135). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5220135
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile