... house PCB Schematics,Layout&Prototype China Professional PCB Circuits Design House Designer&Manufacturer/well acclaimed PCB Assembly Circuitry ... oz to 6ozMin. hole sizeMin LW/LS0.3mm0.1mm(Flash Gold)/0.15mm(HASL)Aspect ratio1 : 6SoldermaskLPI type, ... Baked type, Peelable maskSurface finishingHASL, Flash gold, Immersion gold, Gold finger, Carbon inkMax. panel size508mm ...