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, Guangdong and circuit board technology, quality assurance, ceramic circuit board technology, reasonable prices. Original design by means circuit-aided design (CAD) system to format a floppy disk available to manufacturers and follow the provided circuit design data and graphics into the required manufacturing printed circuit board products. To achieve the required design specifications, we must follow the 'printed circuit board design specification' of the original image size and pore size variety of graphics technology review Branch Snyder Department of International Ltd. Shenzhen-Electronic Technology Co., Ltd. Newell Electronic Technology Company is a professional custom single-pane, double sided, multilayer 2-40 storey density professional supplier, to provide customers with high-precision, high-quality circuit board in Shenzhen, quality assurance, printed circuit board technology, Reasonable prices. In the layout area allows, try to design a larger diameter lands, increased drilling aperture; to ensure the quality of the solder resist layer, in the production of solder diagram design is larger than the aperture drilling solder graphics. Select the film base: Normally select thermal expansion coefficient smaller base 175 microns thick PET (polyethylene terephthalate) film base. The basic requirements for the film base: flat, no scratches, no creases; negatives storage environmental conditions and usage period is appropriate; operating environmental conditions: temperature of 20-270C, relative humidity of 40-70% RH; for accuracy high negatives, the working environment humidity is 55-60% RH mobile phone circuit board technology, Newell record (certified), Guangdong circuit board technology provided by the Department of Shenzhen-Electronic Technology Co., Ltd. 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.