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:
Aug. 18, 2009
Filed:
Nov. 19, 2003
Masayoshi Kondo, Akita, JP;
Masaaki Kato, Akita, JP;
Toshiaki Chuma, Akita, JP;
Satoru Nakao, Akita, JP;
Kentaro Fujiura, Akita, JP;
Masayoshi Kondo, Akita, JP;
Masaaki Kato, Akita, JP;
Toshiaki Chuma, Akita, JP;
Satoru Nakao, Akita, JP;
Kentaro Fujiura, Akita, JP;
Abstract
A multilayer flexible wiring board including (1) plural single-sided wiring boards each having a wiring pattern on one side of the corresponding substrate and two-layer conductor posts projecting from the wiring pattern to the side of the substrate opposite from the wiring pattern, wherein the substrates other than that of the outermost layer have the pads to be connected to the two-layer conductor posts on the side opposite from the conductor posts, and the wiring pattern has no surface coating; (2) a flexible wiring board having on at least one side thereof the pads for connection to the conductor posts and including a wiring pattern with surface coating applied on the flexible portion but no surface coating applied on the multilayer portion, and (3) an adhesive layer having a flux function, wherein the conductor posts and pads are connected by a metal or an alloy, and the wiring patterns are electrically connected.