Method of making cemented carbide substrate
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United States of America Patent
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-
Jul 22, 1997
Grant Date -
N/A
app pub date -
Aug 11, 1995
filing date -
Aug 11, 1995
priority date (Note) -
Expired
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Abstract
A carbide substrate including a binder prepared to receive a cutting material such as a diamond coating thereon. The substrate is immersed in an electrolyte solution with the substrate acting as the anode thereby providing for an electro-polished substrate surface. The electro-polished substrate surface is then etched to substantially remove the binder phase of the carbide substrate, the etching being to a depth of up to about 15 microns. The resulting surface is susceptible for receiving a coating of the diamond cutting material.
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