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    • 7. 发明申请
    • ELECTRODE, ELECTRODE PASTE AND ELECTRONIC PARTS USING THE SAME
    • 电极,电极浆料和使用该电极的电子部件
    • US20100151323A1
    • 2010-06-17
    • US12635731
    • 2009-12-11
    • Takashi NaitoTakahiko KatoTakuya AoyagiHiroki Yamamoto
    • Takashi NaitoTakahiko KatoTakuya AoyagiHiroki Yamamoto
    • H01M4/54H01M4/02
    • H01L21/4867H01J2211/225H01L23/49883H01L2924/0002H01L2924/00
    • The objects of the present invention are to provide a copper-base electrode which can be calcined in an oxidative atmosphere, e.g., in air, like a silver electrode, and is less expensive than a silver electrode; an electrode paste; and electronic parts using it. The other objects of the present invention are to provide a copper-base electrode which can be calcined in an inert gas atmosphere, e.g., in nitrogen, at low temperature; an electrode paste; and electronic parts using it.The electrode of the present invention contains at least metallic particles and an oxide phase, wherein the metallic particles contain copper and aluminum, and the oxide phase contains phosphorus. The oxide phase is preferably present as a phosphate glass phase in grain boundaries of the metallic particles. The electrode preferably contains the metallic particles and oxide phase at respective 75 to 95% and 5 to 25%, all percentages by volume. The metallic particles contain copper and aluminum at respective 80% or more and 3% or more for the calcination in an oxidative atmosphere, and 97% or more and 3% or less for the calcination in an inert gas atmosphere, all percentages by mass.
    • 本发明的目的是提供一种铜基电极,其可以在诸如银电极的空气中的氧化气氛中煅烧,并且比银电极便宜; 电极膏; 和使用它的电子部件。 本发明的另一个目的是提供一种可在惰性气体气氛例如氮气中在低温下煅烧的铜基电极; 电极膏; 和使用它的电子部件。 本发明的电极至少含有金属颗粒和氧化物相,其中金属颗粒含有铜和铝,氧化物相含有磷。 氧化物相优选以金属颗粒的晶界中的磷酸盐玻璃相存在。 所述电极优选含有75-95%和5〜25%的金属颗粒和氧化物相,所有的体积百分数。 金属颗粒含有在氧化性气氛中煅烧时分别为80%以上且3%以上的铜和铝,并且在惰性气体气氛中,所有的质量百分比均为97%以上且3%以下。