Metal-clad dielectric sheeting

Details Metal-clad dielectric sheeting Metal-clad dielectric sheeting

1975-05-14

1977-07-12

Bell, James J.

Electricity: electrical systems and devices

Miscellaneous

428212, 428215, 428288, 428297, 428303, 428474, 428480, 428483, 428901, H05K 104

Patent

active

040356949

ABSTRACT:
Metal-clad dielectric sheeting useful in the manufacture of printed circuitry comprising an electrically conductive metallic layer adhered to a nonwoven web that comprises a unique fiber blend compacted and held together by a polymeric binder material. The fiber blend includes heat-resistant fibers (preferably aromatic polyamide fibers) and high-tensile-strength fibers that absorb little moisture (preferably polyester fibers); and the amount of fibers that absorb moisture is held to a low amount.

REFERENCES:
patent: 3301730 (1967-01-01), Spuiak et al.
patent: 3829354 (1974-08-01), Bertram et al.
patent: 3855047 (1974-12-01), Groff
patent: 3878316 (1975-04-01), Groff

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