Electrical resistors – Resistance value responsive to a condition – Current and/or voltage
Reexamination Certificate
2004-01-16
2010-02-16
Enad, Elvin G (Department: 2832)
Electrical resistors
Resistance value responsive to a condition
Current and/or voltage
Reexamination Certificate
active
07663468
ABSTRACT:
An electric device1is an organic positive thermistor in which, between two plate electrodes2aand2bconstituting an electrode couple2, a conductive member41is disposed in a state being in a close contact with the plate electrodes2aand2b. The conductive member41is formed of many piled up resin particles each having its surface formed with a conductive layer of a residual material (fullerene residual), which is the soot including fullerenes generated via, for example, an arc discharging method, from which at least a part of fullerenes is removed. Such conductive layers are joined to each other to structure the conductive path and the conduction of the electric device1is ensured in a normal state. When an inrush current flows, the conductive path is readily shut off by a small inflation of the resin particles due to the temperature rise.
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Kobayashi Nobuo
Mori Yukie
Namba Kenryo
Baisa Joselito
Enad Elvin G
Oliff & Berridg,e PLC
TDK Corporation
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