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Title: Thermopile for microwatt thermoelectric generator

Abstract: Athermopile for a microwatt thermoelectric generator suitable for implanting in the body. The thermopile comprises a series of semiconductive thermoelectric elements such as P- and N-type bismuth telluride deposited as a thin film on a substrate such as a polyimide by sputtering. After the thin film is deposited, the thermopile is heat treated to anneal the bismuth telluride. The thermopile is then ready for insertion in a microwatt thermoelectric generator.


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Inventors: Barr, Harold N. (Baltimore, MD, US)
Lyon, Warren Charles (Baltimore, MD, US)
Bustard, Thomas S. (Elicott City, MD, US)

Application Number: 488970
Filing Date: 1974-07-16
Publication_date: 1977-07-19
Assignee: Nuclear Battery Corporation (Columbia, MD)
Primary Class(es): 136/202 136/225
Other Classes:
US Patent Ref:
3305393Feb, 1967Breckenridge136/225.
3483045Dec, 1969Villers136/225.
3535523Oct, 1970Wunderman et al.136/225.
3554815Jan, 1971Osborn136/225.
3715288Feb, 1973Risgin136/225.
3754999Aug, 1973Merges136/202.
3830664Aug, 1974Winkler et al.136/202.

Other Refs:
Primary Examiner: Moskowitz, Nelson
Assistant Examiner:
Attorney: Fleit & Jacobson