Patent ID: 6338148
Filing Date: 2002-01-08
Classification: G01R,G06F

Abstract:
A controller for controlling testing of manufactured products, comprising:storage means for storing a plurality of diagnostic tests for use in testing the manufactured products; testing means for testing the manufactured products using the plurality of diagnostic tests, wherein the testing means uses the plurality of diagnostic tests in a predetermined sequence; memory means for storing test failure data indicative of failure rates of previously failed diagnostic tests from previous test runs; processing means for reading a selected amount of the test failure data indicative of failure rates and determining an optimum sequence for using the plurality of diagnostic tests in a current test run by sorting each of the diagnostic tests in order of the failure rates of the previously failed diagostic tests; and control means for, before the beginning of the current test run, replacing the predetermined sequence with the optimum sequence for using the plurality of diagnostic tests for the current test run, to cause the testing means to test the manufactured products using the plurality of diagnostic tests in accordance with the optimum sequence.