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    • 62. 发明申请
    • Pretreating agent for metal plating
    • 金属电镀预处理剂
    • US20020192379A1
    • 2002-12-19
    • US10169894
    • 2002-07-08
    • Toru Imori
    • B05D003/10
    • C23C18/1879C23C18/1882C23C18/34C23C18/40H05K3/181H05K3/389H05K2203/1157H05K2203/124
    • The present invention provides a method for metal plating which makes it possible to perform electroless plating in a favorable manner even on materials difficult to apply electroless plating, and a pretreatment agent for this method. An article to be plated is treated with a pretreatment agent which has been prepared by mixing a solution of a silane coupling agent having a metal-capturing functional group in its molecule and a solution containing a metal that shows catalytic activity in the deposition of a plating metal such as copper, nickel or the like from an electroless plating solution onto the surface of an article to be plated so that the above-mentioned metal is captured by the above-mentioned silane coupling agent, and then adding a reducing agent. Afterward, electroless plating is performed so that a metal thin film is formed on the surface of the article pretreated above. Then, desired metal plating can be performed.
    • 本发明提供一种金属电镀方法,即使在难以施加化学镀的材料上也能以良好的方式进行无电解电镀以及该方法的预处理剂。 将待镀敷的物品用预处理剂处理,所述预处理剂是通过在其分子中混合具有金属捕获官能团的硅烷偶联剂的溶液和含有在沉积镀层中显示催化活性的金属的溶液而制备的 金属如铜,镍等从化学镀溶液涂覆到待镀制品的表面上,以使上述金属被上述硅烷偶联剂捕获,然后加入还原剂。 之后,进行化学镀,使得在上述预处理物品的表面上形成金属薄膜。 然后,可以进行所需的金属电镀。
    • 66. 发明授权
    • Plating bath, and corresponding method, for electrolessly depositing a
metal onto a substrate, and resulting metallized substrate
    • 电镀浴和相应的方法,用于将金属无电沉积到基底上,以及所得的金属化基底
    • US5562760A
    • 1996-10-08
    • US437755
    • 1995-05-09
    • Gerald L. BallardJohn G. Gaudiello
    • Gerald L. BallardJohn G. Gaudiello
    • H05K1/09C23C18/40C23C18/48H01L23/14H05K3/24C23C18/52C23C18/38
    • H05K3/244C23C18/40H05K3/24Y10S428/936Y10T428/12535Y10T428/12903
    • An electroless metal plating bath composition, a corresponding method for electrolessly depositing a metal onto a substrate surface, as well as the resulting, metallized substrate, are disclosed. The inventive bath composition includes water, a soluble source of the metal ions it is desired to chemically reduce at, and deposit onto, the substrate surface of interest, and a complexing agent for the metal ions. In addition, the bath composition includes a soluble source of any one or more of a select group of what are termed mediator ions, which group includes palladium (Pd), platinum (Pt), silver (Ag), ruthenium (Ru), iridium (Ir), osmium (Os) and rhodium (Rh) ions, as well as a complexing agent for the mediator ions. Moreover, the bath composition includes a chemical reducing agent, which primarily serves to chemically reduce the mediator ions at the substrate surface of interest. Significantly, by using an appropriate ratio of the concentration of the metal ions in solution to the concentration of the mediator ions in solution, and depending upon which mediator ions are used, the inventive bath composition serves to electrolessly deposit the metal of interest onto the substrate surface of interest, with the resulting deposited metal containing less than or equal to about 3.0 atomic percent, or less than or equal to about 2.0 atomic percent, or even less than or equal to about 1.0 atomic percent, of the corresponding mediator metal.
    • 公开了一种无电金属电镀浴组合物,用于将金属无电沉积到衬底表面上的相应方法,以及所得到的金属化衬底。 本发明的浴组合物包括水,需要化学还原并沉积到感兴趣的基底表面上的金属离子的可溶性源,以及用于金属离子的络合剂。 此外,浴组合物包括任何一种或多种所谓的介体离子的选择组的可溶性源,该组包括钯(Pd),铂(Pt),银(Ag),钌(Ru),铱 (Ir),锇(Os)和铑(Rh)离子,以及介体离子的络合剂。 此外,浴组合物包括化学还原剂,其主要用于化学还原感兴趣的基底表面处的介体离子。 重要的是,通过使用溶液中的金属离子的浓度与溶液中的介体离子的浓度的适当比例,并且取决于使用哪种介体离子,本发明的浴组合物用于将感兴趣的金属无电沉积到衬底上 所形成的沉积金属含有相应的介体金属的小于或等于约3.0原子百分比,或小于或等于约2.0原子百分比,或甚至小于或等于约1.0原子百分比。
    • 70. 发明授权
    • Process for electrolessly plating copper and plating solution therefor
    • 无电镀铜及其电镀液的方法
    • US4935267A
    • 1990-06-19
    • US190854
    • 1988-05-06
    • Koji KondoKatuhiko MurakawaNobumasa IshidaJunji IshikawaKaoru NomotoFutoshi Ishikawa
    • Koji KondoKatuhiko MurakawaNobumasa IshidaJunji IshikawaKaoru NomotoFutoshi Ishikawa
    • C23C18/40H05K3/18
    • H05K3/181C23C18/40
    • By forming a first copper layer on a substrate by using a complexing agent for copper ion, which has a low copper complex stability constant, a uniform second layer can be stably formed by a second complexing agent for a copper ion, which has a high copper complex stability constant, even if the substrate is composed of a material having a low catalytic activity, such as tungsten, or even if the catalytic activity of the substrate is uneven. A similar effect can also be obtained by adding a small amount of a complexing agent for a copper ion, having a low stability constant, to an electroless copper plating bath containing a complexing agent for a copper ion, having a low stability constant. In this case, an effect of preventing stopping of the reaction of the complexing agent of a copper ion, having a high stability constant, is attained. Most preferably, after formation of a uniform first copper layer by an electroless copper plating solution containing a complexing agent for a copper ion, having a low stability constant, a second copper layer is formed by an electroless copper plating solution containing a complexing agent for a copper ion, having a high stability constant and also in this case, a small amount of a complexing agent for a copper ion, having a low stability constant, is added.
    • 通过使用铜络合物的稳定常数低的铜离子络合剂,在基板上形成第一铜层,可以通过第二铜离子络合剂稳定地形成均匀的第二层,铜离子配位剂 复合稳定性常数即使基材由具有低催化活性的材料如钨构成,或即使基材的催化活性不均匀也是如此。 通过向具有低稳定性常数的含有铜离子络合剂的化学镀铜浴中加入少量用于具有低稳定性常数的铜离子络合剂也可以获得类似的效果。 在这种情况下,可以获得阻止具有高稳定性常数的铜离子络合剂的反应停止的效果。 最优选的是,通过含有铜离子络合剂的化学镀铜溶液形成均匀的第一铜层,具有低稳定性常数,第二铜层由含有络合剂的化学镀铜溶液形成, 铜离子,具有高稳定性常数,并且在这种情况下,加入少量的具有低稳定常数的铜离子络合剂。