Multiple wire printed circuit board and process for making the s

Details Multiple wire printed circuit board and process for making the s Multiple wire printed circuit board and process for making the s

1996-05-24

1999-07-27

Davis, Jenna

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

428200, 428213, 428355, 428355EP, 428355CN, 428901, B32B 310

Patent

active

059287578

ABSTRACT:
A multiple wire printed circuit board including printed conductor circuit layers, adhesive layers with wires having insulating coating embedded and fixed therein, insulating layers, and connecting through-holes formed at locations where connections will be made, wherein the conductor circuit layers are insulated from other circuit conductors, and the difference in glass transition point between each adhesive layer and the adjoining insulating layer is within the range of 60.degree. C., remains free of peel and voids despite heat history applied to the board, and is capable of high-density wiring, multiplication of circuit layers and a reduction of the number of the manufacturing steps.

REFERENCES:
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patent: 3674602 (1972-07-01), Keogh et al.
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patent: 4544801 (1985-10-01), Rudik et al.
patent: 4554405 (1985-11-01), Varker
patent: 4642321 (1987-02-01), Schoenberg et al.
patent: 4855333 (1989-08-01), Rudik et al.
patent: 5225268 (1993-07-01), Shibata et al.
patent: 5304399 (1994-04-01), Shibata et al.

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