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    • 34. 发明申请
    • ELECTROLYTE FOR USE IN ELECTROLYTIC PLATING
    • 电解电镀用于电镀
    • WO01051688A2
    • 2001-07-19
    • PCT/US2001/001280
    • 2001-01-16
    • C25D3/50C25D3/00
    • C25D3/50
    • An electrolyte for use in electrolytic platinum plating that results in reduced Cl, S, or P contaminant production. The bath comprises 0.01 to 320 g/lit of platinum in the form of the platinum salt dinitrodiammine platinum, [Pt(NH3)2(NO2)2] or variants thereof and 0.1 to 240g/lit of alkali metal carbonate M2CO3 or bicarbonate MHCO3 where M is selected from a group comprising lithium (Li), sodium (Na), potassium (K), rubidium (Rb) and cesium (Cs). A method of improving oxidation resistance of a platinum modified aluminide diffusion coating on a substrate, comprises electroplating the substrate rising this electrolyte and then aluminizing the electroplated substrate at an elevated temperature to grow a platinum modified aluminide diffusion coating.
    • 用于电解铂电镀中的电解质,其导致Cl,S或P污染物产生减少。 该浴包含0.01至320g / l铂的铂盐二硝基二胺铂,[Pt(NH 3)2(NO 2)2]或其变体和0.1至240g / l的碱金属碳酸盐M2CO3或碳酸氢盐MHCO3的形式,其中 M选自锂(Li),钠(Na),钾(K),铷(Rb)和铯(Cs)组成的组。 提高铂改性铝化物扩散涂层在基材上的抗氧化性的方法包括使升高该电解质的基板电镀,然后在升高的温度下对电镀基板进行镀铝,以生长铂改性的铝化物扩散涂层。
    • 35. 发明申请
    • BLACK RUTHENIUM PLATING SOLUTION
    • 黑色镀锌解决方案
    • WO01011113A1
    • 2001-02-15
    • PCT/JP2000/003395
    • 2000-05-26
    • C25D3/50C25D3/52
    • C25D3/50
    • A black ruthenium plating solution, characterized as containing, as effective components in the solution, ruthenium sulfate, sulfamic acid, a thio compound and a sacrificial oxidizing agent being added for preventing the decomposition of the thio compound due to anodic oxidation. The plating solution can be used for inhibiting the decomposition of a thio compound being added as a color former due to anodic oxidation, to thereby maintain dense blackness during electrolysis and thus provide a stable black plating, while keeping the desirable characteristics of a conventional black ruthenium plating solution that it can be controlled with ease, has good gloss, exhibits good adhesion to a substrate, and is excellent in the resistance to corrosion and abrasion.
    • 一种黑色钌电镀溶液,其特征在于在溶液中含有作为有效成分的硫酸钌,氨基磺酸,硫化合物和牺牲氧化剂,以防止硫化合物由于阳极氧化而分解。 电镀溶液可用于抑制由于阳极氧化而作为成色剂添加的硫代化合物的分解,从而在电解过程中保持致密的黑色,从而提供稳定的黑色电镀,同时保持常规黑色钌的期望特性 可以容易地控制的电镀溶液,具有良好的光泽度,对基材表现出良好的粘附性,并且耐腐蚀和耐磨性优异。