Piezoresistor and manufacturing method thereof

An object of the present disclosure is to provide a varistor having excellent moisture resistance. A varistor (1) is provided with a sintered body (11), an internal electrode (12), an insulating layer (13), and an external electrode (14). The internal electrode (12) is located inside the sintered bo...

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Bibliographische Detailangaben
Hauptverfasser: WATANABE MICHIHIRO, YAMAGISHI YUJI, MUTO NAOKI, KAWAJIRI KEIJI, MOTOMITSU HIRONORI
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:An object of the present disclosure is to provide a varistor having excellent moisture resistance. A varistor (1) is provided with a sintered body (11), an internal electrode (12), an insulating layer (13), and an external electrode (14). The internal electrode (12) is located inside the sintered body (11). The insulating layer (13) covers at least a part of the sintered body (11) and contains Zn2SiO4. The external electrode (14) is electrically connected to the internal electrode (12), covers a portion of the sintered body (11) and a portion of the insulating layer (13), and is in contact with the portion of the insulating layer (13). The insulating layer (13) has a region in contact with the external electrode (14), the region having a greater average thickness than a region of the insulating layer (13) not in contact with the external electrode (14). 本公开的一个目的是提供一种耐湿性出色的压敏电阻器。压敏电阻器(1)包括烧结体(11)、内部电极(12)、绝缘层(13)和外部电极(14)。内部电极(12)位于烧结体(11)内部。绝缘层(13)覆盖烧结体(11)的至少一部分并且包含Zn2SiO4。外部电极(14)与内部电极(12)电连接,覆盖烧结体(11)的一部分和