wherein said high frequency power supply unit comprises a DC power supply section for converting an AC power source to said DC power source, and a high frequency power source section for converting said {HEAD ~ DC power source} to {TAIL ~ a high frequency power source}, and 
wherein said high frequency power supply unit comprises a DC power supply section for converting an AC power source to said DC power source , and a high frequency power source section for converting said { HEAD ~ DC power source } to { TAIL ~ a high frequency power source } , and
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 OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH