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:
Jan. 30, 2018
Filed:
Aug. 01, 2016
Nippon Mektron, Ltd., Tokyo, JP;
Ryoichi Toyoshima, Tokyo, JP;
NIPPON MEKTRON, LTD., Tokyo, JP;
Abstract
[Problem to be Solved] A multilayer flexible printed circuit board having a strip line advantageous to folding is provided. [Solution] A multilayer flexible printed circuit boardof an embodiment is a multilayer flexible printed circuit board having a strip line foldable at a folding part F, the board including: a flexible insulative substrate; an inner layer circuit patternprovided inside the flexible insulative substrateand including a signal lineextending in a predetermined direction; a ground thin filmconstituting a ground layer at least in the folding part Fout of a ground layer of the strip line and constituted of a nonelectrolytic plating coatformed on the flexible insulative substrate; and a protective layerthat covers the ground thin filmand is in close contact with an exposed partfrom which the flexible insulative substrateis exposed.