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    • 6. 发明专利
    • Electroless copper-plating solution, electroless copper-plating method, and method for forming of embedded wiring
    • 电镀铜溶液,电镀铜方法及嵌入式接线方法
    • JP2011068954A
    • 2011-04-07
    • JP2009220867
    • 2009-09-25
    • Kansai Univ学校法人 関西大学
    • NIIMIYABARA SHOZOINOUE FUMIHIRO
    • C23C18/40H01L21/28H01L21/288H01L21/3205H01L23/52
    • H01L21/76898H01L21/288
    • PROBLEM TO BE SOLVED: To provide an electroless copper-plating solution which can form an electroless copper-plated layer that is uniform even into the bottom of the hole regardless of the size of the inner diameter of the hole, an electroless copper-plating method, and a method for forming an embedded wiring, which can form reliable embedded wiring in the inner part of the hole by forming the electroless-copper-plated layer. SOLUTION: The electroless copper-plating solution contains a polyethylene glycol compound having a thiol group or a disulfide bond, and copper ions. Further, the electroless copper-plating method is characterized in that a substrate 1 with a hole 2 formed is dipped into the electroless copper-plating solution to form an electroless-copper-plated layer 6 at the inside of the hole. Further, the method for forming of embedded wiring is characterized in the substrate 1 with the hole 2 formed is dipped into the electroless copper-plating solution to form embedded wiring made of the electroless-copper-plated layer 6 at the inside of the hole. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种化学镀铜溶液,其可以形成即使进入孔的底部均匀均匀的无电镀铜层,而与孔的内径大小无关,化学镀铜 并且通过形成无电镀铜层,可以在孔的内部形成可靠的嵌入布线,从而形成嵌入布线的方法。 解决方案:化学镀铜溶液含有具有硫醇基或二硫键的聚乙二醇化合物和铜离子。 此外,无电镀铜法的特征在于,将形成有孔2的基板1浸入无电镀铜溶液中,以在孔的内部形成化学镀铜层6。 此外,嵌入布线的形成方法的特征在于,将形成有孔2的基板1浸入无电镀铜溶液中,以在孔的内部形成由无电解镀铜层6制成的嵌入布线。 版权所有(C)2011,JPO&INPIT