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 plywood professional supplier of printed circuit board materials, to provide customers high-precision, high-quality circuit board in Shenzhen, quality assurance, reasonable prices. The outermost layer of the multilayer circuit board solder mask material relatively good or bad, is what we often say "green oil", although it also can be yellow or other colors. The thickness of the solder resist layer is generally not easy to accurately determine the surface area than there is no copper foil to be slightly thicker region, but because of lack of foil thickness, foil or appear to be more prominent so flexible circuit board material When we use the first finger touch the PCB surface can be felt. 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 circuit board material professional supplier for customers provide high-precision, high-quality circuit board in Shenzhen, quality assurance, reasonable prices. Circuit stiffened support and no member of the fixed effects, but it is also the connection between each line can transmit electrical signals. Circuit schematics expression of clarity, the functional circuit together, and the circuit board to consider the current size, creepage distances, electromagnetic compatibility, thermal energy, heat dissipation and external connector location and other issues. Circuit basis and the need to understand the basis of EMC others designed circuit boards. Circuit board material quality _ Newell record (certified) _ Guangdong circuit board materials Shenzhen-Electronic Technology Co., Ltd. Department by. Newell Shenzhen Electronic Technology Co., Ltd. (www.yipcb.com) (www.yipcb.com) Guangdong Shenzhen, printed circuit board leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Newell create leadership with the staff warmly welcome all inquiries negotiations to create Newell create a better future.