US PATENT SUBCLASS 427 / 249.8
.~.~ Diamond coating

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}
249.8.~.~ Diamond coating {5}
249.9  DF  .~.~.~> Patterned or non-uniform coating
249.11  DF  .~.~.~> Hot filament utilized
249.12  DF  .~.~.~> Diamond seed crystals utilized
249.13  DF  .~.~.~> Tungsten containing base
249.14  DF  .~.~.~> Superposed coatings (i.e., layered)

DEFINITION

Classification: 427/249.8

Diamond coating:

(under subclass 249.1) Process wherein the resulting coating consists of crystallized isometric carbon, characterized by

an octahedral arrangement of its atoms and tetragonal sp3 bonds.

SEE OR SEARCH CLASS

117, Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor,

79, for processes for growing therein-defined single-crystal of diamond and subclass 929 for the art collection of carbon single-crystal references.

264, Plastic and Nonmetallic Article Shaping or Treating: Processes,

84, for the process of molding nonmetallic material (e.g., diamond, etc.) utilizing ultra high pressure generated by an explosive force.

423, Chemistry of Inorganic Compounds, 446, which is the locus for all diamond making processes (other than coating processes proper for Class 427) and products, whether or not a chemical reaction is involved. In Class 423, subclass 446 is a mandatory search and cross-reference for all patents which claim forming a free-standing single crystal diamond.

425, Plastic Article or Earthenware Shaping or Treating: Apparatus,

1, for apparatus for molding with high pressure generated by an explosive force and subclass 77 for making diamonds by applying ultra high pressure.