Patent ID: 7072730
Filing Date: 2006-07-04
Classification: G06Q,H01L,Y02P,Y10S

Abstract:
1. A substrate transferring method of transferring substrates with a transfer device from or to a processing device installed in a substrate processing apparatus, said substrate transferring method comprising: calculating execution times of actions of said transfer device based on times required for said actions of said transfer device and times required to process said substrates in said processing device; instructing the corresponding transfer device to perform said actions at the calculated execution times of said actions of said transfer device; acquiring actual times at which said transfer device starts said actions thereof; determining a difference between said calculated execution time and said corresponding acquired time; determining whether or not said difference exceeds a predetermined range; and when said difference exceeds said predetermined range, rescheduling said execution times of said actions of said transfer device that are not performed at that time.