Electromagnetic wave absorbers of silicon carbide fibers

Details Electromagnetic wave absorbers of silicon carbide fibers Electromagnetic wave absorbers of silicon carbide fibers

1987-03-06

1988-02-23

McCamish, Marion C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428236, 428246, 428259, 428284, 428367, B32B 700

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047269804

ABSTRACT:
An electromagnetic wave absorber comprising a surface layer made of a composite of fibers having an electrical specific resistance of more than 10.sup.4 .OMEGA.cm and a resin, and a wave absorbing layer made of a composite containing silicon carbide fibers having an electrical specific resistance of from 10.sup.-2 to 10.sup.4 .OMEGA.cm. The composite used in the surface layer may be prepared, for example, by impregnating the resin in between the fibers after they have been treated to be a woven cloth, mat or felt or unidirectionally arranged fibers. If a wave absorbing layer is to be made of a composite containing the silicon carbide fibers and a resin, then the composite may be prepared in the same way as above.

REFERENCES:
patent: 4507354 (1985-03-01), Ishikawa et al.

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