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