Method and apparatus for temperature measurement using thermal e

Thermal measuring and testing – Temperature measurement – In spaced noncontact relationship to specimen

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374 55, 356357, G01K 550, G01B 1102

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active

052211428

ABSTRACT:
An apparatus and method for determining the temperature of an object, such as a semiconductor wafer by measuring the physical change in a dimension of the semiconductor wafer is disclosed. This physical change is then correlated to the temperature using the coefficient of thermal expansion for the wafer.

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