Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent
1995-01-04
1996-12-31
Wieder, Kenneth A.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With rotor
324 725, G01R 3102
Patent
active
055897657
ABSTRACT:
A method is provided for more efficiently and inexpensively testing semiconductor devices by an automated process of monitoring the performance of the test equipment and certifying that it is working properly, both before and after the actual tests of the devices are conducted. If the automated process can certify that the test equipment was working properly, prior and subsequent to the actual tests of the devices, then it can be assumed that the actual tests were performed correctly and the results are valid. Those devices that "passed" the actual tests are then ready for the next step in the fabrication process, or typically ready to be shipped to the customer. If the test equipment's performance degrades significantly during the actual tests, then the results of the actual tests are considered invalid. Consequently, the test equipment can be repaired or recalibrated and all of the devices retested.
REFERENCES:
patent: 3039604 (1962-06-01), Bickel et al.
patent: 3665504 (1972-05-01), Silverman
Benitez, III Willie B.
Marrero Deogracias D.
Mirizzi Douglas J.
Ohmart Dale V.
Bowser Barry C.
Donaldson Richard L.
Kesterson James C.
Marshall, Jr. Robert D.
Texas Instruments Incorporated
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