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, quality assurance, reasonable prices. CCL is made of resin, a reinforcing material and a metal foil consisting of three. CCL tree means that Shenzhen circuit board, generally refers to a polymer resin, commonly used are: epoxy, phenolic resin; reinforcing materials, the glass fiber cloth, insulating paper. Metal foil, copper (copper toil) refers immersed in a sulfuric acid electrolyte copper plating on the wheel, the benefits of electroplated copper film in the plating process, the surface tends to be rough, easy and base plate fit. 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, quality assurance, reasonable prices. Subsequently, there were plywood, it can greatly increase the wiring area. MLB spend more single or double-sided circuit board. A few pieces of plywood using double-sided circuit board proofing, and put a layer of insulation after sticky prison (nip) between each board. Board layers on behalf of several layers separate wiring layers, layers are generally even, and includes the outermost layers. Common are 4-8 layer structure, but it can be done technically PCB board circuit board layers nearly 100 | Shenzhen board | Newell Newell hit by the Shenzhen Electronic Technology Limited. Newell Shenzhen Electronic Technology Co., Ltd. (www.yipcb.com) (www.yipcb.com) strong, credible, a printed wiring board in Shenzhen, Guangdong and other industries has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Newell invasive and you hand into the brilliant, for a better future!