Heat sensing apparatus and method

G - Physics – 01 – K

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G01K 7/18 (2006.01) G08B 17/06 (2006.01)

Patent

CA 2000611

ABSTRACT OF THE DISCLOSURE A sensor for directly and continuously measuring increases and decreases in temperature comprising a carrier having characteristics sufficient for thermal nondestructive cycling and a conductor in thermal consonance with said carrier whereby the thermal transfer associated with said conductor causes a change in resistance/conductivity from which a temperature profile is acquired without mechanical strain, physical stress or irregular changes in the performance of said conductor. Preferably, the carrier is thermoplastic and has a thickness of less than approximately 25 mils. Also preferably, the conductor is electronic and has a thickness of less than approximately 100,000 angstroms (.ANG.) In another embodiment a method is provided of directly and continuously measuring increases and decreases in temperature, which method comprises bonding an electronic conductor in thermal consonance with a thermoplastic carrier, applying an electric current to the electronic conductor whereby the thermal transfer associated with the electronic conductor causes a change in resistance/conductivity without mechanical strain, physical stress or irregular changes in the performance of the electronic conductor, and measuring the change in resistance/conductivity from which a temperature profile is acquired.

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