I  had the task on Implementation of a calibration station for the Trillium VLSI tester.
This was I task that I got when I first got to Intel the factory had invested in a custom
built test rack and test equipment but it lay dormant mostly due to the fact that there
were major risks in doing in house calibration of the stanards that the tester used.

I wrote a visual basic program that tracked the calibration data of the boards . I wrote a
white paper that showed that the data from the boards did not change from calibration
to calibration enough to cause a yield problem.

 I  opperated did the calibration for over Ten years  and saved $30000 per year in calibration
fees if the boards were sent to the manufacturer for cal