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    • 32. 发明申请
    • SOLUTION FOR USE IN THE ELECTROLYTIC DEPOSITION OF ZINC OR ZINC-ALLOY COATINGS
    • 解锌或锌合金涂层的电解分离
    • WO1996028590A1
    • 1996-09-19
    • PCT/EP1996001048
    • 1996-03-11
    • ATOTECH DEUTSCHLAND GMBHURRUTIA, Gonzalo, DesmaisonTORRE, Noceda, Santiago
    • ATOTECH DEUTSCHLAND GMBH
    • C25D03/22
    • C25D3/22C25D3/565
    • The invention concerns an aqueous alkaline cyanide-free solution for use in the electrolytic deposition of lustrous and blister-free zinc or zinc-alloy coatings of uniform layer thickness on substrate surfaces. Electrolytic zinc- or zinc-alloy baths are used for depositing zinc or zinc-alloy coatings. The layers are partly decorative and for that reason the layers must have an even lustre across a wide current density range. However, sufficiently uniform layer thicknesses cannot be obtained on complex workpiece surfaces with sharp-edged structures and concave surface regions, and zinc and zinc-alloy layers deposited on such workpieces tend in addition to be more prone to blistering. These disadvantages are eliminated by a coating solution containing, in addition to the normal bath components, diallyl ammonium-sulphur dioxide copolymers of general structural formula (I) shown, and/or diallyldimethyl ammonium monomers.
    • 本发明涉及一种用于在衬底表面上有光泽,无气泡的锌或锌合金涂层具有均匀的层厚度的电解沉积含水碱性氰化物溶液。 电解锌或锌合金浴被用于的锌涂层或它们的合金的沉积。 该层先在这里见面,装饰物。 因此,这些层必须是均匀的光泽,即使在宽的电流密度范围。 然而,足够均匀的层厚度也是可能的上复杂形状的工件表面的锋利的结构和形成在另一凹表面区域。 还通常具有这样的工件沉积锌及锌合金的层增加的趋势起泡。 这些缺点可以避免用涂布液,包括在除了一般结构式(I)和/或二烯丙基二甲基单体的通常的浴组分烯丙基二氧化硫共聚物。
    • 33. 发明申请
    • AQUEOUS COMPOSITION FOR REMOVING POLYMER RESIST LAYERS FROM SUBSTRATE SURFACES AND ITS USE
    • 用于聚合物的去除性水抗蚀剂组合物的基底表面及其应用层
    • WO1995023999A1
    • 1995-09-08
    • PCT/EP1995000858
    • 1995-03-06
    • ATOTECH DEUTSCHLAND GMBHBARON, David, ThomasSMITH, Michael, LeonhardJOHAL, Kuldip, Singh
    • ATOTECH DEUTSCHLAND GMBH
    • G03F07/32
    • G03F7/425H01L21/31133
    • Aqueous compositions are disclosed for removing polymer resist layers from underlying surfaces, and the use of such compositions. Conventional aqueous solutions for removing polymer resist layers, for example from printed circuit cards, contain alkalinising agents, such as alkaline metal hydroxides or substituted ammonium hydroxides. Various additives are added to these solutions to prevent the composition from corroding the metallic surfaces of the printed circuit card. The removed resist material is substantially dissolved or suspended in the form of very small particles in the pickling composition. The disclosed pickling composition contains soluble silicates besides the alkalinising agents. Other additives are generally not required. These compositions remove the resists from the substrate surface in the form of large particles, so that their separation from the composition is possible without problems.
    • 本发明涉及一种用于去除聚合物抗蚀剂下层表面的层,并且使用这样的组合物的含水组合物。 用于除去聚合的常规的水溶液抗蚀剂层,诸如印刷电路板,包括碱化剂,如碱金属或取代的铵的氢氧化物。 为了防止对Mettallflächen电路板上的组合物的发作,这些解决方案的各种其它添加剂加入。 所述光致抗蚀剂去除材料溶解在基本上脱除组合物或悬浮在非常小的颗粒在其中。 根据本发明的汽提组合物另外含有除碱剂可溶性硅酸盐。 其他添加剂通常不需要。 用这些组合物,该抗蚀剂在从与基板面大的颗粒除去,从而使它们的去除可能是从组合物中容易。
    • 34. 发明申请
    • METHOD OF ELECTROLYTICALLY DEPOSITING METALS FROM ELECTROLYTES CONTAINING ORGANIC ADDITIVES
    • 方法对于金属从电解质与PROZESSORGANIK电解分离
    • WO1995023247A2
    • 1995-08-31
    • PCT/DE1995000297
    • 1995-02-23
    • ATOTECH DEUTSCHLAND GMBHSCHNEIDER, Reinhard
    • ATOTECH DEUTSCHLAND GMBH
    • C25D21/06
    • C25D21/14H05K3/241
    • The invention concerns a method of electrolytically depositing metals from electrolytes containing organic additives designed to give particular physical properties. Such additives are continuously lost during galvanization, resulting in the formation of decomposition products which spread throughout the whole galvanization plant and are thus deposited on the articles being galvanized. The aim of the invention is therefore to avoid defects in the deposited layers caused by organic residues, thus ensuring continuous deposition of the metal and uniform quality of the metal layers produced. This aim is achieved by physically limiting the organic additives to that part of the electrolyte in which they are relevant. The electrolyte is cycled through a filter in order to keep it free of organic additives. Topping up with organic additives is carried out as a function of additive losses immediately outside that part of the electrolyte in which the additives are relevant.
    • 本发明涉及一种用于从含电解质的金属的电解沉积的方法,以达到一定的物理性质,Prozessorganik的加法。 这类添加剂在电镀期间受到恒定的消耗,形成从分解产物,其沉积在整个电镀,从而也对被处理材料的添加剂。 因此,本发明是基于所述问题通过Organikrückstände以避免所沉积的层的相关的质量缺陷和以这种方式实现的金属层相同的质量连续的金属沉积。 这是通过空间限制Prozessorganik的在电镀系统,其中,它是相关于该过程的电解质区域中的浓度来实现。 再循环电解液是由自由Prozessorganik的过滤器举行。 重新加入Prozessorganik的发生在依赖消费立即过程相关的范围之前。