... Design,cloning,optimization services Data transmitting controller PCBA/PCA PCB layout,mcu design,prototype,fab China TOP Professional Competitive PCB/PCA ... to 6ozMin. hole sizeMin LW/LS0.3mm0.1mm(Flash Gold)/0.15mm(HASL)Aspect ratio1 : 6SoldermaskLPI type, Baked type, ... .5mm board)Hole size tol.PTH: +/-0.08mm, NPTH: +/-0.05mmHole location tol.+/-0.05mmGold thickness0.05um to 1.5umNickel thickness1um ...