Semifinished product for electric contacts made of a composite material based on silver-tin oxide and powdermetallurgical process of making said product
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United States of America Patent
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Nov 1, 1994
Grant Date -
N/A
app pub date -
Sep 17, 1990
filing date -
Mar 26, 1988
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Abstract
A semifinished product for electric contact made from a composite material based on silver-tin oxide is described as well as a powder-metallurgical process of making said product. The structure of the semifinished products contains regions which contain no metal oxide or very little metal oxide in alternation with regions which contain the entire metal oxide component or a greatly predominating/share thereof in a fine division.
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