Resin material having non-OHMIC properties, method for producing same, and non-OHMIC resistor using said resin material
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United States of America Patent
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May 30, 2017
Grant Date -
Jun 23, 2016
app pub date -
Sep 22, 2014
filing date -
Sep 26, 2013
priority date (Note) -
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Abstract
Provided is a resin material having non-ohmic properties which has favorable characteristics as a varistor and has a high degree of molding freedom and impact resistance. A resin material 10 comprises: an insulating matrix 11 made of a first resin material; an island-form conductive dispersed phase 12 made of a conductive second resin material which is incompatible with the first resin material and is more wettable to a microvaristor 13 described later than the first resin material is, wherein the island-form conductive dispersed phase is dispersed in an island form in the matrix and has a volume ratio of less than 16% in the whole resin material; and a microvaristor 13 comprising ceramic particles having non-ohmic properties, wherein the ceramic particles are dispersed in the matrix 11 and electrically contacted with each other via the island-form conductive dispersed phase 12.
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