The duration of each discharge is set shorter than {HEAD ~ the time period} necessary for {TAIL ~ the DC bias voltage}, which is generated on the high frequency applying electrode side, to attain a saturated value 
necessary for
The duration of each discharge is set shorter than { HEAD ~ the time period } necessary for { TAIL ~ the DC bias voltage } , which is generated on the high frequency applying electrode side , to attain a saturated value
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH