Thermistor and method of producing the same

Details Thermistor and method of producing the same Thermistor and method of producing the same

1988-08-25

1990-03-27

Walberg, Teresa J.

Electrical resistors

Resistance value responsive to a condition

Current and/or voltage

29616, 264 61, H01C 710, H01C 103, C04B 3334

Patent

active

049124501

ABSTRACT:
A method for producing negative temperature coefficient thermistor units, comprising the steps of forming a pair of green sheets of insulating ceramic material, stacking the green sheets interposing therebetween in predetermined areas a layer of paste for thermistor elements; providing for each thermistor unit a coating of paste to be formed into internal electrodes; cutting the stacked sheets into individual thermistor units; co-firing the thermistor units whereby the thermistor element is enclosed in an envelope of sintered ceramic material or sandwiched between two layers of sintered ceramic material. A pair of external electrodes is then provided on each thermistor unit.

REFERENCES:
patent: 3493913 (1970-02-01), Wagner et al.
patent: 3634840 (1972-01-01), Wilkinson
patent: 4395623 (1983-07-01), Shimada et al.
patent: 4431983 (1984-02-01), Rodriquez
patent: 4445026 (1984-04-01), Walker
patent: 4550301 (1985-10-01), McTavish et al.

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