10" 10' 



initial DC resistance 



initial AC resistance 



10« 10° 



initial capacitance 



10' 10-^ 



10^ id" 



• AC resistance 



• DC resistance 

 Capacitance 



extreme ^^^ 

 capacitance 

 deviation 



extreme 



AC resistance 



deviation 



\ 



200 

 Exposure Time (days) 



Figure 3. Electrical properties of System 111. 



