US PATENT SUBCLASS 427 / 252
.~.~ By decomposing metallic compound (e.g., pack process, etc.)

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

248.1  DF  COATING BY VAPOR, GAS, OR SMOKE {9}
250  DF  .~ Metal coating {2}
252.~.~ By decomposing metallic compound (e.g., pack process, etc.) {1}
253  DF  .~.~.~> Halogen containing compound

DEFINITION

Classification: 427/252

(under subclass 250) Processes wherein the metal is applied to the base by decomposition of a vaporous metallic compound of the coating metal.

(1) Note. Within the scope of this subclass is the process of applying a metal coating or alloy formation on the surface of the base by an exchange of the metal base ions with the metallic ions of the coating compound; i.e., diffusion.