Electrical resistors – Resistance value responsive to a condition – Current and/or voltage
Patent
1991-02-22
1993-05-11
Lateef, Marvin M.
Electrical resistors
Resistance value responsive to a condition
Current and/or voltage
56108, 338225D, 338309, 338327, 338328, H01C 710
Patent
active
052105164
ABSTRACT:
A PTC thermistor has its substrate entirely coated with an insulating glass material except for the area where a silver electrode is formed. Such a thermistor may be produced by coating a substrate with an insulating glass material, forming a silver layer on the coated substrate and fusing the silver layer with a part of the glass material so as to form an electrode adhering to the substrate. An underelectrode may be provided between the substrate and such an electrode. A resistor is formed by encasing such a PTC thermistor with a pair of spring terminals for supporting the thermistor therebetween.
REFERENCES:
patent: 3296574 (1967-01-01), Tassara
patent: 4053864 (1977-10-01), Rodriguez et al.
patent: 4053866 (1977-10-01), Mertz
patent: 4325051 (1982-04-01), Rodriguez
patent: 4431983 (1984-02-01), Rodriguez
Werner Kahr "Siemens Components" vol. 20, No. 4, pp. 152-157 (Dec. 1989).
Katsuki Takayo
Shikama Takashi
Tadokoro Tomoaki
Takaoka Yuichi
Lateef Marvin M.
Murata Manufacturing Co. Ltd.
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