ClassID:

207188

H01L21/222 - CPC Classification

Classification description:

Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof; Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AB compounds with or without impurities, e.g. doping materials; Diffusion of impurity materials, e.g. doping materials, electrode materials, into or out of a semiconductor body, or between semiconductor regions; Interactions between two or more impurities; Redistribution of impurities Lithium-drift

Recent Application in this class: