... .6mm, matt green, BGA,impedance control With regard to our PCB prdocts,pleas find the following specification,table1 and 2:Table ... slot&step holeHDI3+N+3Application standedIPC-6012 class 2Multilayer PCB Table 2: PCB business:Prototype : you can order any quantity you want ... (){ var aBigImageSrc = [ 'http://i00.i.aliimg.com/photo/v2/760849150_1/PCB.jpg' , 'http://i00.i.aliimg.com/photo/v2/760849150_2 ...