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 6835442 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 28, 2004

Filed:

Sep. 12, 2002
Applicant:
Inventors:

Noriaki Kudo, Kanuma, JP;

Asaei Takabayashi, Kanuma, JP;

Akitoshi Suzuki, Imaichi, JP;

Shin Fukuda, Imaichi, JP;

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 1/500 ; H05K 1/00 ;
U.S. Cl.
CPC ...
B32B 1/500 ; H05K 1/00 ;
Abstract

A flexible printed board contains an unroughened electrodeposited copper foil, a zinc-based metallic layer provided thereon in an amount of 0.25 to 0.40 mg/dm , and a polyimide resin layer formed through the imidation of a polyamic acid layer provided on the zinc-based metallic layer.


Find Patent Forward Citations

Kudo, Noriaki. (2004). Flexible printed wiring board (U.S. Patent No. 6835442). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6835442

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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