METHOD FOR PRODUCING AN ABSORBER FOR MICROWAVES AND ABSORBER PRODUCED ACCORDING TO THE METHOD
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United States of America Patent
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Issued Date -
Aug 12, 2010
app pub date -
Jul 28, 2008
filing date -
Jul 28, 2007
priority date (Note) -
Abandoned
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Abstract
The invention concerns a method for production of an absorber for microwaves, consisting of a packing of expanded polystyrene elements (EPS elements), on which a coating of ferrimagnetic particles is applied, and an absorber produced accordingly. According to the method, an enclosure of synthetic polymers formed on the EPS elements and a polymer matrix, in which the ferrimagnetic particles are embedded, is applied. The coated EPS elements are introduced to a mold and a water vapor stream introduced. The EPS elements expand through the vapor pressure of the residual fraction of pentane in the EPS elements and assume their final size and shape.The absorber produced with the method consists of a packing of EPS elements, which are coated with a ferrimagnetic powder within a polymer matrix, and whose outer structure corresponds to a processing mold.
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