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:
Feb. 13, 1990
Filed:
May. 09, 1988
Applicant:
Inventors:
Shin Kawakami, Saitama, JP;
Satoshi Haruyama, Saitama, JP;
Hirotaka Okonogi, Saitama, JP;
Katsutomo Nikaido, Saitama, JP;
Junichi Ichikawa, Saitama, JP;
Assignee:
Nippon CMK Corp., Saitama, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428 76 ; 428206 ; 428208 ; 428209 ; 428328 ; 428403 ; 428408 ; 428546 ; 428570 ; 428901 ;
Abstract
The invention relates to a printed wiring board (7) which includes at least one carbon resistor (3) formed across terminals (2a, 2b) of printed wiring circuit (2). A heat dissipating film layer (4) is formed at least on the carbon resistor (3). Thus, heat produced in the resistor (3) is effectively dissipated.
Kawakami, Shin. (1990). Printed wiring board (U.S. Patent No. 4900602). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4900602
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile