Appeal No. 1996-0073
Application 08/278,688
1. Method of making an article that comprises a film of diamond, the method
comprising
a) providing a film of polycrystalline diamond having at least one free major surface;
and
b) removing a quantity of diamond material from said free major surface;
wherein step b) comprises
c) contacting at least a portion of the free major surface with metal selected from the
group consisting of Fe, Ni, Mn, and Ti by
i) depositing a layer of the metal on at least a portion of the free major
surface; or
ii) urging a body of the metal against the free major surface; or
iii) contacting the free major surface with a powder of the metal; and
d) maintaining the metal-contacted diamond film at a temperature in the range 600-
1100EC without relative motion in any direction parallel to the free major surface between
the diamond film and the contacting metal, for an effective time for removal of said quantity
of diamond material.
8. Method of making an article comprising heat generating means and a
polycrystalline diamond film of thickness t in thermal contact with said means, the method
comprising providing the diamond film and the heat generating means, and thermally
conductively mounting said means on the diamond film;
CHARACTERIZED IN THAT
the method further comprises
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