Superconducting temperature controller

Details Superconducting temperature controller Superconducting temperature controller

1989-01-26

1991-01-29

Reynolds, Bruce A.

Electrical resistors

Resistance value responsive to a condition

Magnetic field or compass

374176, H01L 4300, H01L 3900

Patent

active

049889710

ABSTRACT:
A superconducting temperature controller that can sense the temperature of an area and also heat the enclosed area. A superconducting thin film resistor mounted on a substrate is disposed in an enclosed housing that forms a vacuum. Also disposed within the housing is a heat sink that keeps the temperature inside the housing below the transition temperature of the superconducting material that forms the thin film resistor. By applying a constant voltage to the thin film resistor, the temperature of the substrate and thin film resistor can be maintained at a predetermined level that is within the transition temperature region of the superconducting material being used.

REFERENCES:
patent: 2189122 (1940-02-01), Andrews
patent: 3155157 (1964-11-01), Anderson et al.
patent: 3704391 (1972-11-01), McConnell
patent: 4134447 (1979-01-01), Jennings et al.
patent: 4464065 (1984-08-01), Wolf et al.
Liebenberg et al., "Thin-Film Superconductors as Sensitive Thermometers", Journal of Applied Physics, vol. 41, No. 10, Sep. 1970, pp. 4050-4053.

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