NTC thermistor elements
First Claim
1. An NTC thermistor element comprising:
- a thermistor body made of an NTC thermistor material;
a pair of outer electrodes on outer surface of said thermistor; and
a plurality of inner electrodes in layers inside said thermistor body, each of said inner electrodes being connected to either of said outer electrodes, at least one of said layers containing a longer first inner electrode and a shorter second inner electrode which are disposed opposite each other with a gap therebetween and connected to different ones of said outer electrodes, said layers being mutually separated by a distance smaller than said gap, at least a portion of said longer first inner electrode overlapping another of said inner electrodes in a direction perpendicular to said layers with a thermistor layer therebetween, said another inner electrode being connected to the different one of said pair of outer electrodes from the one to which said first inner electrode is connected.
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Abstract
An NTC thermistor element has a pair of outer electrodes formed on opposite outer end surfaces of a thermistor body made of an NTC thermistor material. A plurality of inner electrodes are formed inside this thermistor body in layers, each connected to either of this pair of outer electrodes. At least one of these layers contains a longer inner electrode and a shorter inner electrode disposed mutually opposite to each other, separated by a gap, and connected to different ones of this pair of outer electrodes. At least a portion of this longer electrode in this layer overlaps, in the perpendicular direction to the layers, another of the inner electrodes connected to the different outer electrode from the one to which this longer electrode is connected, with a thermistor layer in between.
38 Citations
20 Claims
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1. An NTC thermistor element comprising:
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a thermistor body made of an NTC thermistor material; a pair of outer electrodes on outer surface of said thermistor; and a plurality of inner electrodes in layers inside said thermistor body, each of said inner electrodes being connected to either of said outer electrodes, at least one of said layers containing a longer first inner electrode and a shorter second inner electrode which are disposed opposite each other with a gap therebetween and connected to different ones of said outer electrodes, said layers being mutually separated by a distance smaller than said gap, at least a portion of said longer first inner electrode overlapping another of said inner electrodes in a direction perpendicular to said layers with a thermistor layer therebetween, said another inner electrode being connected to the different one of said pair of outer electrodes from the one to which said first inner electrode is connected. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification