4 Layer ENIG KeyPad PCB

Global clients are satisfied with our Reliable Quality, Competitive Prices, On-time delivery, and Good Service.With Wellcore, you enjoy efficiency, effectiveness and reassuring journey! How quickly we can do for PCB ?We can offer quick Turn 4 layer  ENIG PCB,The fastest is 3 WD.For the special PCB,For example.MC PCB,Flex PCB,RF PCB.They also can fabricate them via Quick Turn Lead time. PCB features: 1.Layer: 42.Material: FR43.Thickness:0.8mm 4.Copper: 1OZ 5.Mini hole: 0.2mm7.Mini width/space: 0.25mm/0.25mm8.Finish: Immersion Gold Our manufacturing capability:Manufacture capability layers: 1-32 layersMaterials: CEM1, CEM3, Teflon, Rogers, FR-4, high TG FR-4, aluminum base, halogen freeMax board Size: 510*1200mmMaterial: RoHS Directive-compliantPCB thickness: 1.6mm-6.4mmOut layer copper thickness: 1-6ozInner layer copper thickness: 1OZ-12OZMax board thickness: 6.0mmMinimum hole size: 0.150mmMinimum line width/space: 3/3milMin S/M pitch: 0.1mm (4mil)Plate thickness and aperture ratio: 12:1Minimum hole copper: 20μmHole diameter tolerance (PTH): ±0.075mm (3mil)Hole diameter tolerance (NPTH): ±0.05mm (2mil)Hole position deviation: ±0.05mm (2mil)Outline tolerance: ±0.05mm (2mil)Surface finish: HASL leadfree, immersion ENIG, chem tin, flash gold, OSP, gold finger, peelable, immersion silver,ENEPIGSolder mask: green/blue/red/black,purple,white,yellow,transparent Legend: white/black/yellowOutline: rout and score/V-cutE-test: 100%