Degaussing unit comprising one or two thermistors

Details Degaussing unit comprising one or two thermistors Degaussing unit comprising one or two thermistors

1996-04-26

2000-11-21

Easthom, Karl D.

Electrical resistors

Resistance value responsive to a condition

Current and/or voltage

338 22SD, 338327, H01C 713

Patent

active

061509183

ABSTRACT:
Degaussing units in the form of mono and duo-PTCs are disclosed which can be exposed to high inrush currents without the same leading to fracture at the edges of the ceramic thermistors. The electrode layers of the thermistor(s) completely cover the main surfaces and are composed of a material which comprises a silver alloy containing minimally 4 wt. % and maximally 12 wt. % zinc, and which is applied directly on to the thermistor by means of screen printing. In a preferred embodiment, an alloy containing approximately 6 wt. % zinc is used.

REFERENCES:
patent: 3716407 (1973-02-01), Kahn
patent: 3793604 (1974-02-01), Duggan et al.
patent: 3835434 (1974-09-01), Kahn
patent: 3975307 (1976-08-01), Matsuo et al.
patent: 4357590 (1982-11-01), Belhomme
patent: 5142265 (1992-08-01), Motoyoshi et al.
patent: 5210516 (1993-05-01), Shikama et al.
patent: 5219811 (1993-06-01), Enomoto et al.
patent: 5233326 (1993-08-01), Motoyoshi

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