Adaptive thermal control

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United States of America Patent

PATENT NO 9291667
APP PUB NO 20140253155A1
SERIAL NO

14196955

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An adaptive thermal control system maintains and regulates an accurate and stable thermal environment for a device under test. The adaptive thermal control system includes (i) pre-trigger communications from automatic test equipment (ATE) to automatic thermal control (ATC) allowing slow-responding ATC to start responding to an imminent thermal change before the thermal change occurs, (ii) a control profile which indicates to the ATC, prior to anticipated thermal change, that a change is imminent and the nature of the change over time. The generation and fine-tuning of the control profile can be done by two different methods (i) with the semi-automatic approach the tester does some pre-tests in order to determine a typical response profile which the test program then adjusts using adaptive techniques, (ii) With the fully automatic adaptive circuitries same typical response profile is algorithmically adjusted and utilized to control the ATC.

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Patent Owner(s)

  • ADVANTEST CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Armstrong, David H Lafayette, US 4 65
Callaway, Mike La Mesa, US 2 41

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