Batteries: thermoelectric and photoelectric – Thermoelectric – Having particular thermoelectric composition
Patent
1975-09-22
1978-08-29
Moskowitz, Nelson
Batteries: thermoelectric and photoelectric
Thermoelectric
Having particular thermoelectric composition
136241, 252514, 73359R, H01V 114, H01B 102
Patent
active
041101243
ABSTRACT:
A thick film thermocouple matching the performance of solid wire thermocouples and capable of operating at high temperatures with minimal drift is produced by (1) forming two powdered metal pastes of differing compositions, each including a frit which is substantially neutral with respect to the metal components of the respective paste and has essentially no effect upon the thermoelectric EMF, (2) applying the pastes to a surface to form a pair of thick film elements overlapping at one point which form a thermocouple upon firing, (3) firing the applied pastes, and (4) attaching leads to the fired elements and assembling the finished thermocouple. Optionally, the thermocouple elements or legs may be overglazed to protect them against damage to the metal films and to improve stability during continuous use at high temperatures.
REFERENCES:
patent: 3099575 (1963-07-01), Hill
patent: 3207706 (1965-09-01), Hoffman
patent: 3679606 (1971-07-01), Short
patent: 3781749 (1971-12-01), Iles et al.
patent: 3843350 (1974-10-01), Larry
patent: 3876560 (1975-04-01), Kuo et al.
patent: 3891450 (1975-06-01), Trease
Stainer et al., "Thick Film Thermocouple Gages . . . ," 10/30/69, pp. 581-1 to 581-7, Advanced in Instrumentation, Proceedings of 24th ISA Conference, S0167-0045.
Hill James S.
Robertson Allen R.
Engelhard Minerals & Chemicals Corporation
Moskowitz Nelson
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