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    • 4. 发明公开
    • 콘덴서용 전극
    • 电容电极
    • KR1020100043295A
    • 2010-04-28
    • KR1020107007846
    • 2002-12-10
    • 쇼와 덴코 가부시키가이샤
    • 오모리가즈히로나이토가즈미
    • H01G4/005H01G4/008
    • H01G9/0525B22F2998/10C22C27/02C22C32/0068B22F1/0096B22F7/08B22F3/10B22F9/023B22F1/0003B22F9/04B22F9/24B22F1/0088
    • The present invention relates to a niobium alloy for capacitors comprising as an alloy component from 0.01 to 10 atom% of at least one element selected from the group consisting of the elements belonging to Groups 2 to 16 of the periodic table and further comprising diniobium mononitride crystals of from 0.1 to 70 mass%, wherein a powder of the niobium alloy has an average particle size of 0.05 to 5 pm and a BET specific surface area of 0.5 to 40 m/g, a granulated product of the niobium alloy having an average particle size of 10 to 500 μm, a sintered body of the powder of the niobium alloy or granulated product thereof, a capacitor and a producing method thereof using the sintered body. A niobium capacitor using the powder of the niobium alloy of the present invention or a granulated product thereof has high capacitance and small leakage current value and is excellent in high-temperature property and heat resistance property.
    • 本发明涉及一种电容器用铌合金,其包含0.01〜10原子%的选自元素周期表第2〜16族的元素中的至少一种以上的元素的合金成分,并且还含有一元一铌结晶 为0.1〜70质量%,其中,所述铌合金粉末的平均粒径为0.05〜5μm,BET比表面积为0.5〜40m 2 / g,所述铌合金的粒状产物具有平均粒子 10〜500μm的尺寸,铌合金粉末的烧结体或其造粒产物,电容器及其使用该烧结体的制造方法。 使用本发明的铌合金粉末或其造粒产物的铌电容器具有高电容和小的漏电流值,并且具有优异的耐高温性和耐热性。