PTC Honeycomb heating element with multiple electrode layers

Details PTC Honeycomb heating element with multiple electrode layers PTC Honeycomb heating element with multiple electrode layers

1979-02-22

1980-11-04

Mayewsky, Volodymyr Y.

Electric heating

Heating devices

With heating unit structure

219338, 219543, 219553, 219381, 338 22R, 338327, 252520, H05B 308

Patent

active

042322146

ABSTRACT:
In a honeycomb heating element comprising a PTC thermister body, a single electrode layer composed of a silver paste was conventionally used for applying power to the body. In the present invention, two or three electrode layers with improved electrical and chemical properties are used to provide the heating element with a long service life, improved reliability and a high heat generation.

REFERENCES:
patent: 2882377 (1959-04-01), Rinehart
patent: 2961522 (1960-11-01), Hammer
patent: 3927300 (1975-12-01), Wada et al.
patent: 3995143 (1976-11-01), Hervert
patent: 4032752 (1977-06-01), Ohmura et al.
patent: 4107515 (1978-08-01), Kulvicki

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