Please download the dossier by clicking on the dossier button x
×

Process control by distinguishing a white noise component of a process variance

  • US 7,096,085 B2
  • Filed: 05/28/2004
  • Issued: 08/22/2006
  • Est. Priority Date: 05/28/2004
  • Status: Expired due to Fees
First Claim
Patent Images

1. A system, implemented on at least one computer, for compensating for a variance between a measured characteristic of at least one product produced by a process and a target result of the characteristic, the system comprising:

  • (a) means for receiving an observed value for at least one product, and receiving a target value for the at least one product;

    (b) means for determining a variance between the observed value of at least one product and the target value of the at least one product;

    (c) means for determining a first portion of the variance caused by white noise;

    (d) means for determining a second portion of the variance caused by a systematic component; and

    (e) means, in the at least one computer, for using the determined first and/or second portions to adjust the process.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×