Patent ID: 6725122
Filing Date: 2004-04-20
Classification: G06Q

Abstract:
A selecting device for selecting a manufacturer of a photomask, comprising:a communication circuit that communicates with a computer of a manufacturer of said photomask; a storage circuit that stores data; and a control circuit connected to said communication circuit and said storage circuit that controls said communication circuit and said storage circuit, wherein said control circuit includes a circuit that sends specification data including specifications of said photomask and a requested delivery date to said computer, and said manufacturer receiving said specification data prepares estimation data including a scheduled delivery date of said photomask based on said specifications and said requested delivery date, and sends said prepared estimation data to said selecting device by said computer, and said control circuit further includes: a circuit that receives said estimation data and stores the same in said storage circuit, a circuit that stores delivery data representing results of delivery of the photomasks by said manufacturer in said storage circuit, a circuit that corrects said scheduled delivery date based on said scheduled delivery date and said results, and stores the corrected delivery date in said storage circuit, and a select circuit that selects the manufacturer of said photomask based on said requested delivery date and said corrected delivery date.