Patent ID: 6801823
Filing Date: 2004-10-05
Classification: G03F,G06Q

Abstract:
A photomask supply system supplying a photomask to an order-sender, comprising:a communication unit for communicating with said order-sender; a storage unit for storing data; a measuring unit for measuring, according to a measurement recipe, the dimension of a pattern on said photomask which has been produced; and a control unit connected to said communication unit and said storage unit for controlling said communication unit and said storage unit, said control unit including means for receiving specification data via said communication unit and storing said specification data in said storage unit, said specification data including a dimension-measurement method and mask design data for the pattern formed on said photomask, recipe generating means for generating said measurement recipe according to said dimension-measurement method and said mask design data, means for receiving from said measuring unit measurement data obtained from actual measurement performed by said measuring unit, calculating means for calculating to derive, based on said measurement data and said mask design data, production error data for said pattern, and means for transmitting said production error data to said order-sender via said communication unit.