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Quality forecasting engine

  • US 5,761,093 A
  • Filed: 05/08/1997
  • Issued: 06/02/1998
  • Est. Priority Date: 05/08/1997
  • Status: Expired due to Fees
First Claim
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1. An automated method of predicting the number of defects that will occur during the manufacturing of a new product design on a specific assembly, line, comprising:

  • identifying and counting the components that are manufactured on said assembly line during a time period;

    counting the number of defects that are associated with each of said identified components;

    storing the counted defects in a first historical database;

    calculating the defect rate for each of said identified components and storing said defect rate in the first historical database;

    enumerating a bill of material for said new electronic assembly design;

    extracting information associated with a component from a library database into a quality forecasting engine, said information comprising part number, part description and part geometry;

    the quality forecasting engine importing the enumerated bill of material and the stored defect rate from the first historical database; and

    the quality forecasting engine performing a comparison of the imported enumerated bill of material information to the extracted information and to the imported stored defect rate, and calculating a predicted number of defects for said new electronic assembly.

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