Hybrid thermistor temperature sensor

Details Hybrid thermistor temperature sensor Hybrid thermistor temperature sensor

1994-08-26

1996-05-21

Lateef, Marvin M.

Electrical resistors

Resistance value responsive to a condition

Current and/or voltage

338 22SD, 338260, 338320, 338314, H01C 710

Patent

active

055193749

ABSTRACT:
A hybrid thermistor temperature sensor includes a two-pole network of temperature-dependent resistors being in thermal and electrical contact with each other. The two-pole network has at least one temperature-dependent resistor with a positive temperature coefficient as a cold conductor, at least one temperature-dependent resistor with a negative temperature coefficient as a hot conductor, a temperature/resistance curve with a constant behavior or plateau in a predetermined temperature region, and at least one electrode electrically coupling at least two of the temperature-dependent resistors to each other. The at least one electrode is produced from a material ensuring a contact between the temperature-dependent resistors that breaks down a barrier layer and forms a diffusion barrier to a mutual diffusion of ingredients of each respective one of the contacting temperature-dependent resistors into the other of the temperature-dependent resistors.

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patent: 5258736 (1993-11-01), Kristen et al.
patent: 5448103 (1995-09-01), de Wit

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