Method for producing amorphous metal layer
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United States of America Patent
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Apr 10, 1990
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N/A
app pub date -
Jul 12, 1989
filing date -
Sep 30, 1986
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Expired
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Abstract
A method metallurgically bonds a thin film of easily amorphized material on a metallic substrate having a large thermal conductivity, and then irradiates all or selected portions of the thin film with a pulse laser. The irradiated portions become amorphous by rapidly heating and cooling. Therefore, a whole surface which is an amorphous layer or a part of a surface which is an amorphous layer is obtained. In the latter, a porous amorphous metal layer is obtained by subsequent acid elution and by removing the non-amorphous part.
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