The method 4, wherein {TAIL ~ said completed chip} is exposed to a radiation dose of {HEAD ~ about 5 to 16 megarads} 
The method 4 , wherein { TAIL ~ said completed chip } is exposed to a radiation dose of { HEAD ~ about 5 to 16 megarads }
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD