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METHOD AND SYSTEM FOR SCHEDULING A STREAM OF PRODUCTS IN A MANUFACTURING ENVIRONMENT BY USING PROCESS-SPECIFIC WIP LIMITS

  • US 20090037012A1
  • Filed: 05/12/2008
  • Published: 02/05/2009
  • Est. Priority Date: 07/31/2007
  • Status: Active Grant
First Claim
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1. A method of automatically controlling a process flow in a manufacturing environment, the method comprising:

  • determining a plurality of sections of said process flow performed in said manufacturing environment by using a plurality of process tools for processing products, each of said plurality of sections corresponding to a group of interrelated processes;

    determining a maximum work in progress value for each of said plurality of sections on the basis of at least a section-specific characteristic and a characteristic relating to a production target value of said process flow;

    for each of the plurality of sections, comparing a current work in progress value of a respective section with a respective maximum work in progress value associated with said respective section to provide a comparison result; and

    controlling a flow of products to each of said plurality of sections by using said comparison result.

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