发明名称 |
LATERAL HIGH-RESISTANCE ADDITIVE FOR ZINC OXIDE VARISTOR, ZINC OXIDE VARISTOR PRODUCED USING THE SAME, AND PROCESS FOR PRODUCING THE VARISTOR |
摘要 |
<p>The invention aims at providing highly reliable zinc oxide varistors through simple production steps. The varistor is produced by dispersing a powdery raw material comprising 1-40 molar % (in terms of Fe2O3) iron, 0-20 molar % (in terms of Bi2O3) bismuth, and the balance consisting of SiO2 in a solution of a water-soluble binder such as polyvinyl alcohol, and applying the formed dispersion to a molded or calcined zinc oxide varistor to form on the lateral face thereof a lateral high-resistance layer (2) containing Zn2SiO4 as the principal ingredient and a solid solution of iron in Zn7Sb2O12 as the auxiliary ingredient. <IMAGE></p> |
申请公布号 |
EP0827161(A1) |
申请公布日期 |
1998.03.04 |
申请号 |
EP19960912284 |
申请日期 |
1996.04.30 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
KATSUMATA, MASAAKI;KANAYA, OSAMU |
分类号 |
H01C13/02;H01C7/00;H01C7/10;H01C7/102;H01C7/112;(IPC1-7):H01C7/10;H01C7/12 |
主分类号 |
H01C13/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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