Thermoelectric cooler

Details Thermoelectric cooler Thermoelectric cooler

1988-12-12

1990-05-08

Nelson, Peter A.

Batteries: thermoelectric and photoelectric

Thermoelectric

Peltier effect device

136239, 136241, H01L 3528

Patent

active

049228226

ABSTRACT:
A thermoelectric cooler device having thermoelectric elements of n and p type semiconductor material arranged in rows and columns between insulating substrates of alumina or beryllia, or ceramic materials having a known emissivity is coated with material(s) having an emissivity substantially lower than that of the thermoelectric cooler. The coating includes a layer of insulating material on at least a portion of the surfaces of the thermoelectric cooler, a layer of diffusion barrier forming material on the insulating layer, and a layer of low emissivity material on the diffusion barrier layer. For example, the insulating layer is silicon dioxide having a thickness of about 10,000 Angstroms, the diffusion barrier layer is titanium tungsten having a thickness of about 400-500 Angstroms, and the low emissivity layer is gold having a thickness of about 1,000 Angstroms.

REFERENCES:
patent: 3666566 (1972-05-01), Paine
patent: 3902923 (1975-09-01), Evans et al.
patent: 4004210 (1977-01-01), Yater
patent: 4111717 (1978-09-01), Baxter
patent: 4558342 (1985-12-01), Sclar
patent: 4686320 (1987-08-01), Novak et al.

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