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:
Feb. 25, 2003
Filed:
Mar. 07, 2001
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A method of performing a printed circuit board including the steps of: (a) disposing a first release film on the surface of a substrate and a second release film on the back of the substrate; (b) forming a through-hole in the first release film, the second release film, and the substrate; (c) filling conductive paste into a through-hole; (d) removing the first release film and the second release film from the substrate with the through-hole filled with the conductive paste; (e) placing a first metallic member on the surface of the substrate with the release films removed and placing a second metallic member on the back of the substrate; (f) compressing under heat the substrate with the first metallic member and the second metallic member disposed thereon; and (g) forming a desired circuit pattern on the first metallic member and the second metallic member.