| 摘要 |
PROBLEM TO BE SOLVED: To provide the manufacturing method of an overcurrent-protecting element which improves the insulation properties by proper trip characteristics, when the temperature is raised higher than the room temperature by the short-circuiting of an electronic circuit, or the like. SOLUTION: A sheet layer 1 is pinched by a pair of conductive plates 2, and the sheet layer 1 is formed of high molecular macromolecule matrix and a plurality of conductive particles contained in the high molecular macromolecule matrix. The surface of respective conductive particles is partially coated by an organic material that is different from the high polymer macromolecule matrix and moreover that does not have compatibility. The surface of respective conductive particles is partially coated by the organic material that is high in expansion coefficient, whereby superior trip characteristics can be obtained at short-circuiting of the electronic circuit, and can permit improvement in the insulation properties. COPYRIGHT: (C)2008,JPO&INPIT
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