Production of diamond film
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United States of America Patent
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Aug 11, 1998
Grant Date -
N/A
app pub date -
Jun 12, 1996
filing date -
Jun 12, 1996
priority date (Note) -
Expired
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Abstract
Diamond film is deposited by chemical vapor deposition on the surface of a graphite mandrel which is covered with a protective coating to which the diamond film adheres. After completion of the deposition, the diamond is removed from the mandrel by sawing through the substrate to saw off a layer thereof which includes the deposition surface and the diamond film. The graphite and protective coating may be left in place for some applications or be removed either chemically or by mechanical abrasion to separate the diamond therefrom.
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