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V 7:45.23 Si!^ j ^ 1781.79 V''"^'"'^•^^'•'^^^^'^easured RF Irnpedamje ""v;-^/ ^: ChaniserPisslie ( f n T a i f e # ^ % . 6a$FbwRale-CF4 Measured RF Power .RFPower Set Point- (EH I a Pie^Aif^SetPdnt VWSW»>*»J00wU ^ ieasured Gas Fbw Rate - BatFfow Rale Set Poffit^^lH fmwmvwMMOOaOWWQMOMWmmOWOMMMMWWMMOOOMOOOOOOM Figure 5.1 The front Panel when the parameters are stabilized stabilizing the pressure in the chamber. Figure 5.3 shows the fluctuations when the MFC was controlling the gas flow rate according to the setpoint value. 76