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    • 1. 发明授权
    • Zinc oxide varistor, a method of preparing the same, and a crystallized
glass composition for coating
    • 氧化锌变阻器,其制备方法和用于涂布的结晶玻璃组合物
    • US5294908A
    • 1994-03-15
    • US689948
    • 1991-06-26
    • Masaaki KatsumataOsamu KanayaNobuharu KatsukiAkihiro Takami
    • Masaaki KatsumataOsamu KanayaNobuharu KatsukiAkihiro Takami
    • H01C7/102H01C7/112H01C7/10
    • H01C7/102H01C7/112
    • The present invention relates to a zinc oxide varistor as a characteristic element of an arrestor for protecting a transmission and distribution line and peripheral devices thereof from surge voltage created by lightning, and more particularly a highly reliable zinc oxide varistor excellent in the non-linearity with respect to voltage, the discharge withstand current rating properties, and the life characteristics under voltage, a method of preparing the same, and PbO type crystallized glass for coating oxide ceramics employed for a zinc oxide varistor, etc. A zinc oxide varistor of the present invention includes a sintered body (1) and a high resistive side layer (3) consisting of crystallized glass with high crystallinity containing the prescribed amount of SiO.sub.2, MoO.sub.3, WO.sub.3, TiO.sub.2, NiO, etc., formed on the sides of the sintered body (1) to enhance the strength and the insulating property thereof, thereby improving the non-linearity with respect to voltage, the discharge withstand current rating properties and the life characteristics under voltage. The crystallized glass composition for coating of the present invention includes PbO as a main component and additives such as ZnO, B.sub.2 O.sub.3 , SiO.sub.2, MoO.sub.3, WO.sub.3, TiO.sub.2, and NiO to enhance the crystallinity and the insulating property thereof.
    • PCT No.PCT / JP90 / 01442 Sec。 371日期1991年6月26日 102(e)日期1991年6月26日PCT 1990年11月7日PCT PCT。 出版物WO91 / 07763 日本1991年5月30日。本发明涉及作为用于保护输配线及其外围装置的避雷器的特征元件的氧化锌压敏电阻与闪电产生的浪涌电压,更具体地说,涉及一种高可靠性的氧化锌压敏电阻 相对于电压的非线性,放电耐受电流等级特性,电压下的寿命特性,其制备方法,以及用于氧化锌变阻器等的氧化物陶瓷涂覆用PbO型结晶玻璃等。 本发明的氧化锌变阻器包括由含有规定量的SiO 2,MoO 3,WO 3,TiO 2,NiO等的具有高结晶度的结晶玻璃构成的烧结体(1)和高电阻侧层(3) 烧结体(1)的侧面增强其强度和绝缘性能,从而提高相对于电压的非线性,放电 Ge耐受额定电流特性和电压下的寿命特性。 本发明的涂布用结晶化玻璃组合物包括PbO作为主要成分,添加ZnO,B2O3,SiO2,MoO3,WO3,TiO2,NiO等添加剂,以提高其结晶性和绝缘性。
    • 2. 发明授权
    • Crystallized glass compositions for coating oxide-based ceramics
    • 用于涂覆氧化物基陶瓷的结晶玻璃组合物
    • US5547907A
    • 1996-08-20
    • US388086
    • 1995-02-14
    • Masaaki KatsumataOsamu KanayaNobuharu KatsukiAkihiro Takami
    • Masaaki KatsumataOsamu KanayaNobuharu KatsukiAkihiro Takami
    • H01C7/102H01C7/112C03C3/074
    • H01C7/102H01C7/112
    • The present invention relates to a zinc oxide varistor as a characteristic element of an arrestor for protecting a transmission and distribution line and peripheral devices thereof from surge voltage created by lightning, and more particularly a highly reliable zinc oxide varistor excellent in the non-linearity with respect to voltage, the discharge withstand current rating properties, and the life characteristics under voltage, a method of preparing the same, and PbO type crystallized glass for coating oxide ceramics employed for a zinc oxide varistor, etc. A zinc oxide varistor of the present invention comprises a sintered body (1) and a high resistive side layer (3) consisting of crystallized glass with high crystallinity containing the prescribed amount of SiO.sub.2, MoO.sub.3, WO.sub.3, TiO.sub.2, NiO, etc., formed on the sides of the sintered body (1) to enhance the strength and the insulating property thereof, thereby improving the non-linearity with respect to voltage, the discharge withstand current rating properties and the life characteristics under voltage. The crystallized glass composition for coating of the present invention comprises PbO as a main component and additives such as ZnO, B.sub.2 O.sub.3, SiO.sub.2, MoO.sub.3, WO.sub.3, TiO.sub.2, and NiO to enhance the crystallinity and the insulating property thereof.
    • 本发明涉及作为用于保护输配电线路及其外围装置的避雷器的特征元件的氧化锌压敏电抗器由闪电产生的浪涌电压,更具体地说,涉及一种非常可靠的非线性优异的氧化锌压敏电阻, 相对于电压,放电耐受额定电流特性,电压下的寿命特性,制备方法以及用于氧化锌变阻器等的氧化物陶瓷的PbO型结晶玻璃等。本发明的氧化锌变阻器 本发明包括烧结体(1)和高电阻侧层(3),所述高电阻侧层(3)由在所述烧结体的侧面上形成的含有规定量的SiO 2,MoO 3,WO 3,TiO 2,NiO等的具有高结晶度的结晶玻璃构成 (1)提高强度和绝缘性,从而提高相对于电压的非线性,放电耐受曲线 额定特性和电压下的寿命特性。 本发明的涂布用结晶化玻璃组合物包含PbO作为主要成分,添加ZnO,B2O3,SiO2,MoO3,WO3,TiO2,NiO等添加剂,以提高其结晶性和绝缘性。
    • 3. 发明授权
    • Crystallized glass compositions for coating oxide-based ceramics
    • 用于涂覆氧化物基陶瓷的结晶玻璃组合物
    • US5447892A
    • 1995-09-05
    • US147182
    • 1993-11-01
    • Masaaki KatsumataOsamu KanayaNobuharu KatsukiAkihiro Takami
    • Masaaki KatsumataOsamu KanayaNobuharu KatsukiAkihiro Takami
    • H01C7/102H01C7/112C03C3/074
    • H01C7/102H01C7/112
    • The present invention relates to a zinc oxide varistor as a characteristic element of an arrestor for protecting a transmission and distribution line and peripheral devices thereof from surge voltage created by lightning, and more particularly a highly reliable zinc oxide varistor excellent in the non-linearity with respect to voltage, the discharge withstand current rating properties, and the life characteristics under voltage, a method of preparing the same, and PbO type crystallized glass for coating oxide ceramics employed for a zinc oxide varistor, etc. A zinc oxide varistor of the present invention comprises a sintered body (1) and a high resistive side layer (3) consisting of crystallized glass with high crystallinity containing the prescribed amount of SiO.sub.2, MoO.sub.3, WO.sub.3, TiO.sub.2, NiO, etc., formed on the sides of the sintered body (1) to enhance the strength and the insulating property thereof, thereby improving the non-linearity with respect to voltage, the discharge withstand current rating properties and the life characteristics under voltage. The crystallized glass composition for coating of the present invention comprises PbO as a main component and additives such as ZnO, B.sub.2 O.sub.3 , SiO.sub.2, MoO.sub.3, WO.sub.3, TiO.sub.2, and NiO to enhance the crystallinity and the insulating property thereof.
    • 本发明涉及作为用于保护输配电线路及其外围装置的避雷器的特征元件的氧化锌压敏电抗器由闪电产生的浪涌电压,更具体地说,涉及一种非常可靠的非线性优异的氧化锌压敏电阻, 相对于电压,放电耐受额定电流特性,电压下的寿命特性,制备方法以及用于氧化锌变阻器等的氧化物陶瓷的PbO型结晶玻璃等。本发明的氧化锌变阻器 本发明包括烧结体(1)和高电阻侧层(3),所述高电阻侧层(3)由在所述烧结体的侧面上形成的含有规定量的SiO 2,MoO 3,WO 3,TiO 2,NiO等的具有高结晶度的结晶玻璃构成 (1)提高强度和绝缘性,从而提高相对于电压的非线性,放电耐受曲线 额定特性和电压下的寿命特性。 本发明的涂布用结晶化玻璃组合物包含PbO作为主要成分,添加ZnO,B2O3,SiO2,MoO3,WO3,TiO2,NiO等添加剂,以提高其结晶性和绝缘性。
    • 5. 发明授权
    • Method of manufacturing a zinc oxide varistor
    • 制造氧化锌压敏电阻的方法
    • US06224937B1
    • 2001-05-01
    • US09337342
    • 1999-06-21
    • Masaaki KatsumataOsamu Kanaya
    • Masaaki KatsumataOsamu Kanaya
    • B05D512
    • H01C7/102H01C7/112
    • 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 solar % (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.
    • 本发明旨在通过简单的生产步骤提供高度可靠的氧化锌压敏电阻。 变阻器是通过将含有1-40太阳能%(以Fe 2 O 3)计的铁,0-20摩尔%(以Bi 2 O 3)铋为主成分的粉末原料分散而制得的,余量由SiO 2组成的水溶液中, 可溶性粘合剂如聚乙烯醇,并将形成的分散体施加到模制或煅烧的氧化锌变阻器上,以在其侧面上形成以Zn2SiO4为主要成分的侧向高电阻层(2)和铁在Zn7Sb2O12中的固溶体 作为辅助成分。