Non-contact sensing apparatus and method for polymer melt temper

Details Non-contact sensing apparatus and method for polymer melt temper Non-contact sensing apparatus and method for polymer melt temper

1982-12-27

1985-05-14

Frankfort, Charles

Thermal measuring and testing

Temperature measurement

In spaced noncontact relationship to specimen

374131, 374121, 374137, G01J 500

Patent

active

045168644

ABSTRACT:
Remote measurement of temperature variations within polymer process melts is performed by irradiating the melt with a collimated radiation source such as laser light and relating the transmitted radiation to the temperature distribution within the melt. A method and apparatus for temperature profile determination is based upon the variation of light transmittance through the melt as a function of temperature and wavelength of the incident light.

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patent: 4363966 (1982-12-01), Cheo
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