H01L21/449 - CPC Classification

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 not provided for in groups, , , and with or without impurities, e.g. doping materials; Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups  -  involving the application of mechanical vibrations, e.g. ultrasonic vibrations

Recent Application in this class: