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发明公开
CN102403077A 陶瓷层叠PTC热敏电阻 失效 - 权利终止

陶瓷层叠PTC热敏电阻
摘要：
本发明涉及陶瓷层叠PTC热敏电阻。陶瓷层叠PTC热敏电阻(100)具备陶瓷素体(10)和位于陶瓷素体(10)的端面(10a、10b)上的外部电极(30)，该陶瓷素体(10)具备多个陶瓷层(12)和位于相邻的陶瓷层(12)之间的内部电极(14)，陶瓷素体(10)的表面(10c、10d)上具有玻璃层(20)，玻璃层(20)含有选自锌和铋中的至少一种元素的氧化物作为主成分，玻璃层中的碱性氧化物的含有量为0.8质量％以下。
摘要（英）：

The invention relates to a multilayer PTC thermistor. The multilayer PTC thermistor (100) includes a ceramic body (10) having a plurality of ceramic layers (12) and internal electrodes (14) between adjacent ceramic layers (12), external electrodes (30) on the end faces (10a, 10b) of the ceramic body (10), and a glass layer (20) on the surfaces (10c, 10d) of the ceramic body (10), the glass layer (20) containing an oxide of at least one element selected from the group consisting of zinc and bismuth as the major component, wherein the alkali oxide content of the glass layer is no greater than 0.8 mass %.

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