Thermal measuring and testing – Temperature measurement – In spaced noncontact relationship to specimen
Patent
1987-01-14
1989-03-21
Cuchlinski, Jr., William A.
Thermal measuring and testing
Temperature measurement
In spaced noncontact relationship to specimen
374121, 374127, 350413, 350418, 350483, 350482, G01J 508
Patent
active
048150983
ABSTRACT:
A method of measuring a furnace temperature in a hot isostatic pressing unit, including the steps of condensing a thermal radiation beam from an end portion of a closed-end tube in a high-pressure furnace of the hot isostatic pressing unit by an optical system, feeding the radiation beam from the optical system to a detector to measure the temperature in the furnace, wherein the optical system includes a solid lens having an incoming surface formed by a spherical surface with center at a temperature measurement objective point and having an outgoing surface formed by a spherical surface with center at a light collecting point, so as to condense a radiant energy from the temperature measurement objective point. In another aspect of the invention, the steps further comprising removing a wavelength of absorption by a low b.p. metal gas vaporized from a treatment material in the furnace or a capsule glass.
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Cuchlinski Jr. William A.
Kabushiki Kaisha Kobe Seiko Sho
Will Thomas B.
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