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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.:

US 5493074 B1

PDFFull Text
Date of Patent:
Feb. 20, 1996

Filed:

Jun. 23, 1994

Flexible printed circuit board comprising conductive circuits, an

Applicant:
Inventors:

Katsuhiro Murata, Ohtsu, JP;

Mitsumasa Shibata, Kusatsu, JP;

Toru Hatakeyama, Kusatsu, JP;

Tadaaki Isono, Ohtsu, JP;

Assignee:

Nippon Graphite Industries Ltd., Ohtsu, JP;

Attorney:

Ladas & Parry

Primary Examiner:

Laura Thomas

Int. Cl.
CPC ...
H05K / ; H05K / ;
U.S. Cl.
CPC ...
174254 ; 174254 ; 174258 ; 174259 ; 361749 ; 361750 ; 361751 ;
Abstract

A flexible circuit board device for connecting to an electronic device comprised of a flexible circuit board made from flexible resistive film, an adhesive layer formed on the flexible resistive film, electrical conductive circuits formed on the adhesive layer and cured films filling the gaps between the conductive circuits. The electrical conductive circuits are formed of conductor metal foil and a plating film covering the surface of the conductor.

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Murata, Katsuhiro. (1996). Flexible printed circuit board comprising conductive circuits, an (U.S. Patent No. 5493074). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5493074

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