Thermal variable resistance device with protective sheath

Electrical resistors – Resistance value responsive to a condition – Ambient temperature

Reexamination Certificate

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C338S0220SD, C338S025000

Reexamination Certificate

active

07061364

ABSTRACT:
A sensor and method of manufacturing a variable resistance sensor with a protective sheath that is cost effective and highly reliable, with stable resistance with an operating range of up to 1700° C. in hostile environments. The sheath is formed of highly stable dispersion hardened materials capable of withstanding mechanical loads and chemical attacks at elevated temperatures while maintaining internal chemical integrity.

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European Search Report, Jul. 11, 2005, 2 pages.

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