Batteries: thermoelectric and photoelectric – Thermoelectric – Radiation pyrometer
Patent
1994-04-28
1995-04-25
Walsh, Donald P.
Batteries: thermoelectric and photoelectric
Thermoelectric
Radiation pyrometer
136239, 136240, 501134, H01L 3702
Patent
active
054095484
ABSTRACT:
A ferroelectric material, its fabrication technique, and use as a detector aterial, in a ferroelectric detector array is disclosed. The material is an alloy of essential pure components of Pb.sub.2 (Fe, Nb)O.sub.2 and Pb.sub.2 (Fe, Ta)O.sub.2 each with respective Curie temperatures. An essentially linear relationship is made for mole fraction compositions versus Curie temperatures of each component in the alloy, between the pure mole fractions and respective Curie temperatures of the pure components. A Curie temperature for the composition of Pb.sub.2 (Fe, [Ta.sub.(1-x), Nb.sub.x ])O.sub.6 is determined, where x is the mole fraction of Pb.sub.2 (Fe,Nb)O.sub.2 and 1-x is the mole fraction of Pb.sub.2 (Fe, Ta)O.sub.2, with x having a value greater than zero and less than one.
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Bashore Alain L.
Carroll Chrisman D.
Lane Anthony T.
Lee Milton W.
The United States of America as represented by the Secretary of
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