Temperature control for device under test

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324 73PC, 364174, 374 57, 374135, G01K 1700

Patent

active

047348720

ABSTRACT:
A system for and method of precisely controlling the temperature of an electronic component through a range of temperatures by controlling the temperature of a gas forced into contact with the component is disclosed. The system comprises a dual control loop including two sensors, one for measuring the temperature of the gas and the other for sensing the temperature of the component, for controlling the temperature of the gas so as to provide accurate control of the temperature of the component.

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Wills: Cascade Control: When, Why and How Automatic Control, Sep. 1961, pp. 36-39.
Robert J. Bibbero, "Microprocessor in Instruments and in Control," John Wiley & Sons, New York, 1977, pp. 155-175.
Katshuhiko Ogata, "Modern Control Engineering," Prentice-Hall, Inc., Englewood Cliffs, N.J., 1970, pp. 151-159.

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