Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Patent
1982-01-13
1996-04-09
Walsh, Donald P.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
1062865, 427380, 342 52, B32B 516
Patent
active
055060544
ABSTRACT:
This invention involves a method of providing suitable electrical isolation for small metal particles (such as iron) from each other, agglomerating these particles into a larger size, and overcoating the agglomerates to provide environmental protection. A product of this type has attractive electromagnetic absorbing properties at ultra high frequencies even when used in a high temperature environment that would have oxidized uncoated iron particles with resultant deterioration of its absorbing properties.
REFERENCES:
patent: 3943217 (1976-03-01), Rother
Blocher, Jr. John M.
Browning Melvin F.
Chi Anthony R.
Franz Bernard E.
Kundert Thomas L.
The United States of America as represented by the Secretary of
Walsh Donald P.
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