Electromagnetic radiation susceptor material employing ferromagnetic amorphous alloy particles
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United States of America Patent
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Jan 11, 1994
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N/A
app pub date -
Nov 27, 1991
filing date -
Nov 27, 1991
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Expired
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Abstract
An electromagnetic radiation susceptor material comprises at least one species of particle dispersed in a dielectric binder material. Any dispersed species of particle comprises a ferromagnetic amorphous alloy having the composition F.sub.100-y-x M.sub.y TM.sub.x, where M is one or more magnetic elements selected from the group consisting of Fe, Co, and Ni; M is one or more metalloids selected from the group consisting of B, C, Al, Si, P and Ge; TM is one or more transition metal selected from the group consisting of columns IIIB (including the rare earths) to VIIB of the periodic table, and especially Ti, V, Cr, Mn, Zr, Nb, and Ta; 0.ltoreq.x.ltoreq.20; and 10.ltoreq.y.ltoreq.30. The transition metal controls the Curie temperature of the alloy to provide temperature self-regulation. Many types dielectric binder are suitable. The susceptor material may be applied to substrate, such as an electrically conductive material.
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