US PATENT SUBCLASS 427 / 249.11
.~.~.~ Hot filament utilized

Current as of: June, 1999
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427 /   HD   COATING PROCESSES

248.1  DF  COATING BY VAPOR, GAS, OR SMOKE {9}
249.1  DF  .~ Carbon or carbide coating {8}
249.8  DF  .~.~ Diamond coating {5}
249.11.~.~.~ Hot filament utilized

DEFINITION

Classification: 427/249.11

Hot filament utilized:

(under subclass 249.8) Process which include forming the diamond coating by using a heated filament.

(1) Note. Generally in hot filament diamond coating processes, a hot filament, usually heated by an electrical resistance, is used to excite a gaseous coating mixture and is preferably positioned in close proximity to the substrate to be coated.