Dielectric material in sheet form

Details Dielectric material in sheet form Dielectric material in sheet form

1986-10-21

1987-10-20

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

428422, B32B 310, B32B 2732

Patent

active

047013621

ABSTRACT:
A dielectric sheet material useful in electronics applications is provided. The material preferably is porous, expanded polytetrafluoroethylene (PTFE) having a plurality of through-holes. The walls of the through-holes are solid, sintered PTFE which impart a high degree of compressive strength to the otherwise highly compressible porous PTFE. The through-holes having solid walls may be formed in the material by a laser or by other means.

REFERENCES:
patent: 3384696 (1968-05-01), Makansi
patent: 3953566 (1976-04-01), Gore
patent: 4559254 (1985-12-01), Suzuki

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