IP Library › Granted Patent US 9,313,903
Granted Patent B2
US 9,313,903 · App. 13/142,113 · Granted Apr 12, 2016

Method of manufacturing printed wiring board

Inventors: Sohei Samejima (Tokyo, JP); Tsuyoshi Ozaki (Tokyo, JP); Hiroyuki Osuga (Tokyo, JP); Teruhiko Kumada (Tokyo, JP)
Assignee: Mitsubishi Electric Corporation
H05K3/445H05K3/462H05K3/429H05K3/4626H05K3/4641H05K2201/0195H05K2201/0209H05K2201/0323H05K2201/0347H05K2201/09809
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Quick Facts
Patent No.
US 9,313,903
App. No.
13/142,113
Granted
Apr 12, 2016
Kind
B2
Abstract

A method of manufacturing a printed wiring board ( 10 ) includes the steps of: forming a core including carbon fiber reinforced plastic having a primary through hole ( 3 a ); forming a first adhesive member ( 4 a ) on a lower surface of the core to cover the primary through hole ( 3 a ); charging an insulating member into the primary through hole ( 3 a ); forming a second adhesive member ( 4 b ) on an upper surface of the core; forming a third adhesive member ( 6 a ) below the first adhesive member ( 4 a ); forming a fourth adhesive member ( 6 b ) on the second adhesive member ( 4 b ); and forming interconnections on the core.

Claims (14)

1. A method of manufacturing a printed wiring board, comprising the steps of:

forming first and second laminated bodies each having first and second adhesive members;

laminating said first laminated body and said second laminated body so that said first laminated body and said second laminated body are symmetric to each other about a central line located between said first and second laminated bodies, by forming a positioning hole in said first laminated body when said first and second adhesive members are in an uncured state, and inserting a positioning member into said positioning hole to perform positioning; and

forming interconnections on said first and second laminated bodies,

wherein said step of forming said first and second laminated bodies includes the steps of

forming a core including carbon fiber reinforced plastic having a primary through hole,

temporarily pressure-bonding the first adhesive member on a lower surface of said core to cover said primary through hole,

charging an insulating member into said primary through hole by screen printing, and

temporarily pressure-bonding the second adhesive member on said insulating member on an upper surface of said core, and

wherein the insulating member is charged after formation of the first adhesive member.

2. The method of manufacturing a printed wiring board according to claim 1 , wherein

said step of forming said first and second laminated bodies further includes the steps of forming a third adhesive member below said first adhesive member, and forming a fourth adhesive member on said second adhesive member, and

in said step of laminating, said first laminated body and said second laminated body are laminated by forming a positioning hole in said first laminated body when said first, second, third, and fourth adhesive members are in an uncured state, and inserting a positioning member into said positioning hole to perform positioning.

3. The method of manufacturing a printed wiring board according to claim 1 , wherein, in said step of laminating, a multi-layer board having a pattern and an insulating base material covering said pattern is disposed between said first laminated body and said second laminated body.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 18, 2011
From: SAMEJIMA, SOHEI; OZAKI, TSUYOSHI; OSUGA, HIROYUKI; KUMADA, TERUHIKO
To: MITSUBISHI ELECTRIC CORPORATION
Reel/Frame 026772/0273 →
Priority Claims (2)
JP 2008-330738 · Dec 25, 2008 · national
JP 2009-105378 · Apr 23, 2009 · national
Continuity (1)
Related Publication 20110290408A1 · Dec 1, 2011