10'' 10' 



initial 

 DC resistance 



lO'^ 10' 





^-^'' 





A 



C 



C resistance 

 C resistance 

 apacitance 



6 



^^'^ 









^ initial AC resi 

 4— initial capacitc 



>tance 









nee 





)5 









4 











100 200 



Exposure Time (days) 



Figure 10. Electrical properties of System 118. 



15 



