Radar attenuating paint
AssigneeThe United States of America as represented by the Secretary of the Army
InventorJohn W. Bond
Life of this patent
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Abstract
A radar attenuating composition is described for which incident microwave diation is absorbed and/or scattered, causing a significant decrease in retroreflectance of the object to which the composition is applied, that is, a reduction in the radar cross-section of the object. The radar attenuating composition or paint is prepared by uniformly mixing thin conducting fibers such as stainless steel fibers or carbon or graphite into a standard camouflage-type paint. The fibers act as electric dipole segments. The purpose of the countermeasure paint of the present invention is to reduce the amount of microwave radiation reflected back by a target to the receiver, i.e. reducing the amount of retroreflection.
Claims9
A radar attenuating paint composition for absorbing and scattering incident microwave radiation producing a significant decrease in retroflectance comprising a binder composition having uniformly dispersed therein a plurality of dipole segments made of electrically conductive fibers spatially arranged so as to effect coherent absorption and scattering of said radiation wherein said electrically conductive segments range in length from 0.001 to 3 cm and in diameter of from 1.times.10.sup.-6 to 3.times.10.sup.-3 cm, and wherein said dipole segments are present in an amount ranging from about 0.1 to 5.0% of said radar attenuating paint composition, by weight.
Dependencies are inferred from the claim text.