Method for the production of an electret sheet

Details Method for the production of an electret sheet Method for the production of an electret sheet

1991-10-03

1992-05-05

Pianalto, Bernard

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427122, 427124, 427125, 4271261, 4271262, 427180, 427201, 427250, B05D 306

Patent

active

051106205

ABSTRACT:
An electret sheet comprises a porous sheet made of a dielectric polymer and at least one solid material selected from the group consisting of organic materials, inorganic materials, and metallic materials, the porous sheet having the material spaced at various intervals and a method for the manufacture of the said electret sheet.

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