Resistive films comprising resistive short fibers in insulating

Details Resistive films comprising resistive short fibers in insulating Resistive films comprising resistive short fibers in insulating

1989-12-28

1992-01-07

Lusignan, Michael

Coating processes

Particles, flakes, or granules coated or encapsulated

427 74, 4273885, 428297, 428903, 4284111, B05D 700

Patent

active

050790374

ABSTRACT:
An insulating host polymer is heavily loaded with resistive short fibers to form resistive films in the resistance range of 10.sup.2 to 10.sup.8 ohms/square having thicknesses in the range of 1.0 micron to 500 microns. The particular choice of resistive short fibers and film forming binder provides specific systems of needed resistivity and mechanical properties. Fibers are chosen having a bulk resistivity lower than a required resistivity of the resulting film and are loaded in an amount above a percolation threshold of the fibers in the film. Fine tuning of the resistivity is made by adjusting the amount of fibers in the film.

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