PROBLEM TO BE SOLVED: To appropriately and easily decide manufacture priority of a plurality of semiconductor products in a manufacture managing method of a semiconductor manufacturing plant. SOLUTION: In the manufacture managing method of the semiconductor manufacturing plant, a new added value rate expressed by an expression (3): [added value rate=(unit price of semiconductor product - direct material cost - expense arising from outside manufacture) ÷ number of masks of semiconductor product] is calculated at every semiconductor product, and manufacture priority of a plurality of semiconductor products is decided using the added value rate as an index. Namely, it is judged that the higher the manufacture priority of the product the larger the added value rate. Thus, the manufacture priority of a plurality of semiconductor products can be decided appropriately and easily. COPYRIGHT: (C)2008,JPO&INPIT

Manufacture managing method in semiconductor manufacturing plant

PROBLEM TO BE SOLVED: To provide a product manufacturing process management method and management system, for use in a product manufacturing process in which at least one of preprocess groups and following postprocess groups is composed of a plurality of process groups, that can optimize the whole manufacturing process at any given time and fully reduce manufacturing cost even when there is a capacity difference in manufacturing facilities used in the process groups. SOLUTION: From an information terminal installed in each process group, the system collects, over a network, profit speed indication data calculated based on information on a bottleneck process in each process group of the plurality of process groups. Using the profit speed indication data on each process group, the system finds an optimum combination of the plurality of process groups that maximize the profit of the whole manufacturing process. Then over the network, the system provides the information terminal, installed in each process group, with the information on the optimum combination to manage the manufacturing process composed of the plurality of processes.

Product manufacturing process management method and management system

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Product manufacturing process management method and management system