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, 2011
Filed:
Nov. 28, 2008
Tomoo Yamasaki, Nagano, JP;
Katsuya Fukase, Nagano, JP;
Tomoo Yamasaki, Nagano, JP;
Katsuya Fukase, Nagano, JP;
Shinko Electric Industries Co., Ltd., Nagano, JP;
Abstract
A manufacturing method of a wiring board includes a sticking layer forming step; a resist film forming step of forming a resist film on an upper surface of the sticking layer, the resist film having an opening exposing the upper surface of the sticking layer; a metal layer forming step of forming a metal layer, so as to cover an upper surface of the resist film and cover a side surface of the resist film and the upper surface of the sticking layer forming the opening for forming the wiring; a plating film forming step of filling with a plating film the opening for forming the wiring; a metal layer and plating film removing step; a resist film removing step; and a sticking layer removing step of removing the sticking layer of an unnecessary part not covered with the metal layer, after the resist film removing step.