In other words, the condition of {HEAD ~ intermittent discharge} is preferably set so that the high frequency discharge is turned off before the DC bias voltage achieves {TAIL ~ a constant maximum value} 
In other words , the condition of { HEAD ~ intermittent discharge } is preferably set so that the high frequency discharge is turned off before the DC bias voltage achieves { TAIL ~ a constant maximum value }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL