Electret sheet and a method for the production of the same

Details Electret sheet and a method for the production of the same Electret sheet and a method for the production of the same

1988-11-28

1992-05-12

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428241, 428242, 428283, 4283128, 4283179, 296311, 55155, 55DIG39, D03D 2500, H01B 1900, B32B 3300

Patent

active

051126770

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.

REFERENCES:
patent: 4185972 (1980-01-01), Nitta et al.
patent: 4456648 (1984-04-01), Adamse et al.
patent: 4774129 (1988-09-01), Komiyama

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