Diamond materials with enhanced heat conductivity
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United States of America Patent
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Feb 8, 1994
Issued Date -
N/A
app pub date -
Nov 8, 1991
filing date -
Mar 30, 1987
priority date (Note) -
Expired
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Abstract
A diamond film having an intensity ratio of diamond-Raman-peak-to-photoluminescence background intensity greater than about 20, a maximum intensity of the diamond Raman peak in counts/sec divided by the intensity of photoluminescence at 1270 cm greater than about 3, a Raman sp full width half maximum less than about 6 cm and a diamond-to-graphite Raman ratio greater than about 25. The diamond film has a thermal conductivity of at least 17 Wcm K.
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