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To: Tulvio Durand who wrote (11389)	12/11/1997 4:49:00 PM
From: Yakov Lurye	Read Replies (2) \| Respond to of 25960

Tulvio, Let us asume for simplicity that steppers work non-stop and that the delay for carrying wafers between steppers is negligible. In a day stepper #1 will produce 24x80 = 1920 half-printed wafers, stepper #2 can start working after a nomimnal delay of 1/80 hour (time for stepper#1 to produce the first wafer) and will be able to finish 80 X(24-1/80) = 1919 wafers. This is very close to 80 finished wafers an hour. Am I missing something? Regards, Y.