The method 11 wherein calculating a multiple processing demand time comprises calculating {HEAD ~ a multiple processing demand time} between the second tool and the third tool wherein the multiple processing demand time is determined by {TAIL ~ the formula} MPDT  = Q  λ  
The method 11 wherein calculating a multiple processing demand time comprises calculating { HEAD ~ a multiple processing demand time } between the second tool and the third tool wherein the multiple processing demand time is determined by { TAIL ~ the formula } MPDT  = Q  λ 
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD 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