| 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} |
| 255.39 | DF | .~.~.~ Halogen or halogen compound containing reactant {3} |
| 255.393 | | .~.~.~.~ Silicon containing coating |