Polyaramid laminate

Details Polyaramid laminate Polyaramid laminate

1985-05-15

1986-05-20

Bell, James J.

Electricity: electrical systems and devices

Miscellaneous

1563071, 1563074, 1563077, 174 685, 428252, 428267, 428272, 428413, 428416, 428901, 428902, H05K 702

Patent

active

045905398

ABSTRACT:
Disclosed is a composite of a polyaramid woven fabric and a resin. The resin contains water, a water-based emulsion of an epoxy selected from the group consisting of diglycidyl ethers of bisphenol A, diglycidyl ethers of bisphenol F, novolacs, and mixtures thereof, water-compatible curing agents for the emulsion, and a water-compatible catalyst for the emulsion. The emulsion can be cured to the B-stage to form a prepreg and prepregs can be stacked with copper sheets and heated and pressed to form a laminate for use in making a printed wiring board.

REFERENCES:
patent: 4501787 (1985-02-01), Marchetti et al.
patent: 4513055 (1985-04-01), Leibowitz
patent: 4524107 (1985-06-01), Marchetti et al.
patent: 4550128 (1985-10-01), Chellis

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