Polycrystalline diamond cutter with high thermal conductivity
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United States of America Patent
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Feb 5, 2013
Grant Date -
Sep 30, 2010
app pub date -
Mar 2, 2010
filing date -
Mar 27, 2009
priority date (Note) -
Expired
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Abstract
A front face of a diamond table mounted to a substrate is processed to introduce a material which comingles with or semi-alloys with or partially displaces interstitial catalyst binder in a thermal channel to a desired depth. The material is selected to be less thermally expandable than the catalyst binder and/or more thermally conductive than the catalyst binder and/or having a lower heat capacity than the catalyst binder.
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