Cutting elements and bits incorporating the same
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United States of America Patent
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Oct 30, 2007
Grant Date -
Mar 30, 2006
app pub date -
Sep 29, 2004
filing date -
Sep 29, 2004
priority date (Note) -
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Abstract
Cutting elements and bits incorporating such cutting elements are provided. The cutting elements include a substrate having an interface surface over which is formed an ultra hard material layer. A plurality of lands are formed on the interface surface. A plurality of depressions are formed on the lands.
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