US PATENT SUBCLASS 427 / 249.7
.~.~ Diamond-like carbon coating (i.e., DLC)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


427 /   HD   COATING PROCESSES

248.1  DF  COATING BY VAPOR, GAS, OR SMOKE {9}
249.1  DF  .~ Carbon or carbide coating {8}
249.7.~.~ Diamond-like carbon coating (i.e., DLC)

DEFINITION

Classification: 427/249.7

Diamond-like carbon coating (i.e., DLC)

(under subclass 249.1) Process wherein the resulting coating consists primarily of metastable amorphous carbon and contains both hybridized tetragonal sp3 and trigonal sp2 bonds.

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