Patent ID: 6732001
Filing Date: 2004-05-04
Classification: G01N,H01L,Y02P

Abstract:
A production management method, applied to production equipment for performing a plurality of production operations having different processing conditions in the same processing chamber, the method comprising:previously determining a definition of a contamination degree that is an index representing how a product or the production equipment is contaminated in the production operations; setting a contamination degree of a product or the production equipment after processing the product in the production operations, with respect to each of the production operations; recording the contamination degree set for each of the production operations; recording information for products to be processed, together with information on the corresponding production operations for processing the respective products; grouping a plurality of the products to be processed in the production operation having the same contamination degree after processing into one contamination group; recording grouping information for the products with respect to a result of the grouping; and designating execution of processing in the production operations on the basis of the grouping information so that the products of the same contamination group are processed sequentially.