H ELECTRICITY
H01 ELECTRIC ELEMENTS
H01L SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
H01L29/00 Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof; ; Multistep manufacturing processes therefor;
H01L29/66 Types of semiconductor device; ; Multistep manufacturing processes therefor
H01L29/66007 Multistep manufacturing processes
H01L29/66075 of devices having semiconductor bodies comprising group 14 or group 13/15 materials
H01L29/66083 the devices being controllable only by variation of the electric current supplied or the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched, e.g. two-terminal devices
H01L29/66098 Breakdown diodes
H01L29/66106 Zener diodes