US PATENT SUBCLASS 427 / 255.29
.~.~.~ Inorganic oxygen, sulfur, selenium, or tellurium (i.e., chalcogen) containing coating (e.g., phosphosilicate, silicon oxynitride, etc.)

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

248.1  DF  COATING BY VAPOR, GAS, OR SMOKE {9}
255.23  DF  .~ Mixture of vapors or gases (e.g., deposition gas and inert gas, inert gas and reactive gas, two or more reactive gases, etc.) utilized {5}
255.28  DF  .~.~ Coating formed from vaporous or gaseous phase reaction mixture (e.g., chemical vapor deposition, CVD, etc.) {4}
255.29.~.~.~ Inorganic oxygen, sulfur, selenium, or tellurium (i.e., chalcogen) containing coating (e.g., phosphosilicate, silicon oxynitride, etc.) {2}
255.31  DF  .~.~.~.~> Metal and chalcogen containing coating (e.g., metal oxide, metal sulfide, metal telluride, etc.) {5}
255.37  DF  .~.~.~.~> Silicon dioxide coating

DEFINITION

Classification: 427/255.29

Inorganic oxygen, sulfur, selenium, or tellurium (i.e., chalcogen) containing coating (e.g., phosphosilicate, silicon oxynitride, etc.):

(under subclass 255.28) Process wherein the resulting coating contains inorganic oxygen, sulfur, selenium, or tellurium.

SEE OR SEARCH CLASS

260, Chemistry of Carbon Compounds, the class definition for the definition of an "organic compound." All compounds not encompassed by this definition are considered inorganic.