| 427 / | HD | COATING PROCESSES | 
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| 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 |  | .~.~ Coating formed from vaporous or gaseous phase reaction mixture (e.g., chemical vapor deposition, CVD, etc.) {4} | 
| 255.29 | DF | .~.~.~> Inorganic oxygen, sulfur, selenium, or tellurium (i.e., chalcogen) containing coating (e.g., phosphosilicate, silicon oxynitride, etc.) {2} | 
| 255.38 | DF | .~.~.~> Phosphorus or boron containing coating (e.g., aluminum boride, boron phosphide etc.) | 
| 255.39 | DF | .~.~.~> Halogen or halogen compound containing reactant {3} | 
| 255.394 | DF | .~.~.~> Nitrogen containing coating (e.g., metal nitride, etc.) |