Laminate conducting plastic

Details Laminate conducting plastic Laminate conducting plastic

1987-06-24

1989-10-24

Ives, P. C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428323, 428408, 428900, 428921, 428922, 361305, 361323, 2641761, 425 6, 425113, B32B 516, H01G 408

Patent

active

048761400

ABSTRACT:
A layer of conductive plastic material can be made to exhibit relatively high conductivity with a relatively small amount of electrically conducting particles included in it if the layer is extruded in a lamellate form. Particularly, sublayers having thicknesses of the size of the conducting particles or less being the randomly distributed particles in one sublayer into close proximity with those in adjacent sublayers. Consequently, relatively short conducting paths through the layer are provided. The laminate layer is formed by an extrusion die with a plurality of dividers adapted to divide the extrudate into sublayer prior to recombination for the extrusion of the final layer. The laminate layer can be coextruded with electrically insulating layers to fabricate electrical components such as capacitors.

REFERENCES:
patent: 3049651 (1962-08-01), Adelson et al.
patent: 3689810 (1972-09-01), Walles
patent: 3978378 (1976-08-01), Tigner et al.
patent: 4283453 (1981-08-01), Siefried
patent: 4603073 (1986-07-01), Renalls et al.

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