Surface finish : lead free hasl, immersion gold, gold plating osp immersion pin
Min line width: 3mil
Min line space: 3mil
Min space between pad to pad :3 mil
Min hold diameter 0.1um
Max size of finish board: 23inch*35inch
Max proportion drilling hold and bord thickness: 1:12.5
Rang of finish board thickness: 0.21~0.7mil
Min tickness soldermask :10um
Min line width of idents: 4mil
Min height of idents: 25mil
Color of silk screen: yellow white blue
Soldermask: green yellow blue red balck white transparent photesensitive soldermask strippable soldermask
Date file foemat: gerber file, drilling file, protel series , pads2000series, powerpcb series odb++
E test: 100% e test, high voltage test
Material pcb: fr4 high tg fr4 halogen free, rogers, cem-1 , arlon taconic, ptfe, isola.