Electric resistor which has low resistance and serves particular

Details Electric resistor which has low resistance and serves particular Electric resistor which has low resistance and serves particular

1983-02-04

1984-12-04

Albritton, C. L.

Electrical resistors

Resistance value responsive to a condition

Current and/or voltage

338 20, 338 22SD, 338309, 219505, 361 24, H01C 114, H01C 702

Patent

active

044867379

ABSTRACT:
Electric resistor, including a PTC body being formed of ceramic material and having opposite poles, two opposite outer side surfaces being parallel to the longitudinal axis of the PTC body and two opposite end faces perpendicular to the outer side surfaces, the PTC body having rows of mutually parallel depressions formed in the end faces defining inner surfaces and leaving partitions therebetween, metal coatings disposed on the inner surfaces at the opposite poles and partitions, metal layers disposed on the outer side surfaces, and metal strips being disposed on the end faces interleaved in comb-fashion and being connected to the metal layers, defining current flow paths from the metal layers and metal strips through the partitions being perpendicular to the longitudinal axes of the depressions and electrically connecting the pole coatings of a respective row of depressions to each other, and a method for the manufacture thereof.

REFERENCES:
patent: 4107515 (1978-08-01), Kulwicki
patent: 4162395 (1979-07-01), Kobayashi et al.
patent: 4180901 (1980-01-01), Kulwicki
patent: 4189700 (1980-02-01), Hill
patent: 4198669 (1980-04-01), Kulwicki
patent: 4264888 (1981-04-01), Berg
patent: 4363958 (1982-12-01), Kobayashi et al.
E. Audvich, "PTC Thermistors as Self Regulating Heating Elements", Phillips Technical Review, vol. 30, pp. 170-177, Dec. 1969.

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