Branch Snyder Department of International Ltd. Shenzhen-Electronic Technology Co., Ltd. - The Department of Electronic Technology Company is a professional custom single-sided, double-sided, 2-40 storey density multilayer professional supplier, to provide customers with high-precision high-quality circuit boards Shenzhen, the Shenzhen gold-plated circuit boards, quality assurance, reasonable prices. In the deposition, while nickel will produce phosphite (HPO3) byproduct, with production of phosphite concentration will be higher, so the reaction rate and inhibition by high product concentration of long, so the nickel deposition speed cylinder end of its life, compared with one-third of the initial difference between the normal phenomenon. However, this inherent reactant concentrations can be adjusted to make up for the way to be an initial open cylinder Ni concentration at 4.60g / L, with increasing Ni concentration control value MTO consequent increase until 5.0g / L stops. To maintain the deposition rate and the phosphorus content of stability in order to ensure quality of the coating. Branch Snyder Department of International Ltd. Shenzhen-Electronic Technology Co., Ltd. - The Department of Electronic Technology Company is a professional custom single-sided, double-sided, 2-40 layer multilayer professional providers, to provide customers with high-precision, high Shenzhen circuit board quality, multi-layer gold-plated circuit boards, quality assurance, reasonable prices. Gold-plated PCB in degree and kind of stage cost almost the same compared to the pewter plate. But as more and more dense wiring, line width, spacing has to 3-4MIL. So bring the gold short-circuit problem: With the increasing frequency of the signal, due to the skin effect caused by signal multi-coating affect cases transmitted signal quality in the more obvious: these are later need to slowly improve Shenzhen Gold-plated circuit board | gold-plated circuit board sourcing | Newell record (certified merchants) by the Department of Shenzhen-Electronic Technology Limited. Newell Shenzhen Electronic Technology Co., Ltd. (www.yipcb.com) (www.yipcb.com) is specialized in "pcb circuit board" of the enterprise, the company adhering to the "honesty, hard service" concept, to provide you with the most quality products and services. Welcome to inquire! Contact: Huang Shengxing.