Thin-film heating element

Details Thin-film heating element Thin-film heating element

1988-02-22

1989-12-26

Shaw, Clifford C.

Electric heating

Heating devices

With heating unit structure

338308, H05B 316

Patent

active

048899747

ABSTRACT:
A thin-film heating element is formed of a temperature-stable, electrically insulating substrate having a thin, electrically conductive metal oxide film which is doped with foreign atoms which compensate each other in pairs and which each consist of at least one acceptor-forming element and one donor-forming element the metal oxide film being provided with connecting electrodes; the metal oxide film being doped with maximally 10% of each of the foreign atoms compensating each other in pairs, the quantity of the atoms differing maximally 10%.

REFERENCES:
patent: 3551195 (1970-12-01), Wada et al.
patent: 4340508 (1982-07-01), Wahler et al.

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