Insulating boards
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United States of America Patent
Stats
-
Dec 23, 1980
Grant Date -
N/A
app pub date -
Aug 17, 1978
filing date -
Aug 17, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An insulating board has a polymeric reinforcement layer of fibrous material with a predetermined dielectric constant. A polymer is impregnated into said reinforcement layer and has a dielectric constant which is close to that of the dielectric constant of said fibrous material and the insulating board exhibits isotropic properties. A preselected desired dielectric constant or loss tangent can be built into the board by selection of fillers to preselect the dielectric constant or loss tangent without detracting from desired mechanical properties of the board.
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Cited Art Landscape
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