Substrateless thermoelectric device and method of making same

Details Substrateless thermoelectric device and method of making same Substrateless thermoelectric device and method of making same

1983-04-07

1984-08-14

Sebastian, Leland A.

Batteries: thermoelectric and photoelectric

Thermoelectric

Thermopile

29573, 136201, 136211, 136212, 136224, H01L 3528

Patent

active

044658940

ABSTRACT:
A new and improved thermoelectric device of the type which provides electrical energy in response to a temperature gradient applied across the device exhibits both structural integrity and improved efficiency. The new thermoelectric device includes a plurality of thermoelectric elements, coupling means on opposite respective sides of the thermoelectric elements for interconnecting the elements electrically in accordance with a predetermined pattern, and encapsulant means including an encapsulant material covering the exposed surfaces of the thermoelectric elements. The encapsulant forms void spaces between the elements for providing effective thermal insulation between the elements and confining substantially all of the heat flow from the temperature gradient to through the elements. The coupling means includes electrically conductive plate segments for electrically interconnecting the thermoelectric elements. The plate segments are joined to the elements on respective opposite sides thereof and are contacted and held in fixed relative relation by the encapsulant material. The plate segments further define an outer periphery of the device and the encapsulant material bridge across the plate segments at the periphery of the device. As a result, structural device integrity is obtained while more efficient use of the temperature gradient is made.

REFERENCES:
patent: 3899359 (1975-08-01), Stachurski
patent: 3923551 (1975-12-01), Purdy
patent: 4006039 (1977-02-01), Purdy

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