US PATENT SUBCLASS 427 / 902
DIAMOND-LIKE CARBON COATING (I.E., DLC)

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

902DIAMOND-LIKE CARBON COATING (I.E., DLC) {3}
904  DF  .~> Utilizing low energy electromagnetic radiation (e.g., microwave, radio wave, IR, UV, visible, actinic laser, etc.)
905  DF  .~> UTILIZING ION PLATING OR ION IMPLANTATION
906  DF  .~> UTILIZING PLASMA (E.G., CORONA, GLOW DISCHARGE, COLD PLASMA, ETC.)

DEFINITION

Classification: 427/902

DIAMOND-LIKE CARBON COATING (i.e., DLC):

(under the class definition) Process wherein the resulting coating consists primarily of metastable amorphous carbon which contains both hybridized tetragonal sp3 and trigonal sp2 bonds.

(1) Note. The diamond-like carbon may contain, in addition to the primary amorphous phase, very small crystals ranging in diameter from 2nm to 20nm.