Furthermore, the process time can be defined as the interval from the first time point that {HEAD ~ the temperature} is lower than the predetermined temperature by 400 C to the second time point where the temperature is ramped down to {TAIL ~ a temperature} lower 400 C than the predetermined temperature 
Furthermore , the process time can be defined as the interval from the first time point that { HEAD ~ the temperature } is lower than the predetermined temperature by 400 C to the second time point where the temperature is ramped down to { TAIL ~ a temperature } lower 400 C than the predetermined temperature
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH