Fixed-point cell, fixed-point temperature realizing...

Details Fixed-point cell, fixed-point temperature realizing... Fixed-point cell, fixed-point temperature realizing...

2006-08-23

2010-11-23

Verbitsky, Gail (Department: 2855)

Thermal measuring and testing

Thermal calibration system

C374S002000, C374S129000, C374S208000

Reexamination Certificate

active

07837382

ABSTRACT:
A fixed-point cell is provided which can provide a fixed-point in a wide temperature range by changing the fixed-point material. During the use of the fixed-point cell, the fixed-point material can be prevented from being contaminated, and the crucible of the cell can be prevented from being cracked. The fixed-point cell includes: the crucible composed of carbon; the fixed-point material enclosed in the crucible and composed of one of a metal, a eutectic of a metal and carbon, and a eutectic of a metal carbide and carbon; and a woven fabric of graphite fibers containing 10 ppm or lower of impurities and interposed between the crucible and the fixed-point material.

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Ed. By Japan Electric Instrument Manufacturers' Association;Proper Use of Thermometers(Revised Edition); Chapter 7; 1997.
Y. Yamada et al.;High-Temperature Metal-Carbon Eutectic Fixed-Point Cells with Improved Robustness; SICE Annual Conference in Sapporo; Aug. 4-6, 2004; pp. 1027-1030.

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