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:
Nov. 29, 2016
Filed:
Oct. 03, 2014
Tyco Electronics Amp Korea Ltd., Kyungsangbuk-do, KR;
Yang Yun Choi, Gyeonggi-do, KR;
Maeng Goun Youn, Chungcheongbuk-do, KR;
Tyco Electronics AMP Korea Ltd., Kyungsangbuk-Do, KR;
Abstract
A printed circuit board is disclosed having a substrate with an insulating layer, aluminum foil layers disposed on both sides of the insulating layer, and a through-hole formed in the insulating layer and aluminum foil layers. A metal layer is disposed over an exposed surface of the insulating layer positioned along an inner surface of the through-hole. A zinc film is positioned on a surface of the aluminum foil. A metal film is disposed over the zinc film. A plating film is disposed on a surface of the metal film. A circuit pattern is etched through the aluminum foil and the plating film.