Electricity: conductors and insulators – Conduits – cables or conductors – Preformed panel circuit arrangement
Patent
1995-03-29
1996-12-10
Thomas, Laura
Electricity: conductors and insulators
Conduits, cables or conductors
Preformed panel circuit arrangement
361749, 174255, H05K 102
Patent
active
055833209
ABSTRACT:
A reinforcement for a flexible printed circuit board, which can sufficiently prevent the flexible printed circuit board thus reinforced from being warped when heated during the assembly process of electronic components or other procedures. The reinforcement according to the present invention is used to adhere to a flexible printed circuit board 1. The reinforcement according to the present invention comprises an internal material 21 having a bending neutral surface at the center of the thickness thereof, and an external material 22 having the same Young's modulus as that of an insulating substrate 11 of the flexible printed circuit board 1, bonded to one side of the internal material 21. The other side of the internal material 21 acts as an adhesive surface to the flexible printed circuit board 1.
REFERENCES:
patent: 5095628 (1992-03-01), Mckenney et al.
patent: 5262594 (1993-11-01), Edwin et al.
patent: 5426568 (1995-06-01), Lamers et al.
patent: 5450286 (1995-09-01), Jaques et al.
patent: 5468917 (1995-11-01), Brodsky et al.
patent: 5493074 (1996-02-01), Murata et al.
Eriguchi Fuyuki
Sugimoto Toshihiko
Watanabe Seiichi
Nitto Denko Corporation
Thomas Laura
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