Thermistor having a positive temperature coefficient of resistan

Details Thermistor having a positive temperature coefficient of resistan Thermistor having a positive temperature coefficient of resistan

1985-11-25

1988-08-23

Goldberg, E. A.

Electrical resistors

Resistance value responsive to a condition

Current and/or voltage

338 25, 29612, H01C 710

Patent

active

047664096

ABSTRACT:
A thermistor which includes a ceramic sintered body formed of a plurality of inner electrodes alternating with a corresponding plurality of ceramic layers, outer electrodes being connected to specific ones of the inner electrodes. Each ceramic layer a positive temperature coefficient of resistance. The inner electrode layers are obtained by injecting molten base metal having a low melting point such as lead, tin or lead-tin alloy into gap layers previously defined in the sintered body between the laminated ceramic layers from the outside under pressure and hardening the same.

REFERENCES:
patent: 3965552 (1976-06-01), Rutt
patent: 4189760 (1980-02-01), Marshall
patent: 4290041 (1981-09-01), Utsumi et al.
patent: 4330703 (1982-05-01), Horsma et al.

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