Castellated Holes PCB Layers: 4 Layer PCB material: FR4 High Tg(S1000-2) Board Thickness: 1.8mm Surface Finishing: ENEPIG Finished Copper thickness:1/1/1/1 oz Special Technology: Burried routed channel(depth routing from L3-L4) Partial depth holes Castellated holes(half wall hole) Surface finsihed ENEPIG Standard PCB Capability: Minimum Circuit Trace Width/Space: 2.7/2.7mil The Minimum Via Size : 0.15mm The Minimum legend Height/Width: 0.5mm/0.12mm Surface Finishing: HASL-LF, ENIG,ENEPIG,OSP,Gold Finger,Hard Gold Plating,Immersion Silver,Immersion Tin Special Technology: Blind&buried via, Via In Pad,Backdrill,Small BGA Pad,Impedance control,Heavy Copper,Copper Filled Vias,Countersink hole,Depth Milling Material Type: FR4,Metal Core,Halogen Free FR4,Rogers,PTFE,Arlon,Nelco,Polyimide Final Board Thickness: 0.4mm ~ 6.0mm Final Copper Thickness: HOZ 1OZ 2OZ 3OZ 4OZ 6OZ 10OZ Shaping: CNC Routing,Punching,V-CUT, Depth milling, Castellation Special Hole: Blind&buried hole,Depth milling,T-slot,Countersink hole Quick-turn Lead Time: 1 Day for 2 Layer PCB, 2 Days for 4 Layer PCB, 3 Days for 6 Layer PCB About King Sun PCB: King Sun PCB Technology is a manufacturing enterprise that be engaged in high density interconnector multilayer, various types PCB prototype, small and mass production PCB produce. Our products included: HDI PCBs, Via in PAD PCBs, ENEPIG PCBs, Castellated Holes PCBs, Small BGA ball PCBs, Heavy copper foil PCBs, High Frequency PCBs, Rigid-Flex PCBs.Products are used in wide range of IoT industries, Hi-Tech industries, Power supply, Telecommunication, Computer, Industrial control, Digital products, Science and Education instruments, Medical instruments, Automobile, etc. In 2005,we expanded our products to develop and manufacture metal core base PCBs(MCPCB) ,now commonly used in LED lighting and Automobile industry. MCPCBs first class material ensure reliability and play a major role in excellent heat dissipation. It greatly increase longevity of LED Lighting. now we have gained reputable recognition in famous LED Lighting companies. King Sun concentrates on high quality, fast and satisfied service in summary, our service offering are: ï?§ Quick-turn around prototypes fabrication. ï?§ Low cost for mass productions orders. ï?§ MCPCB fabrication. ï?§ PCB prototype assembly ï?§ Function test after PCB assembly ï?§ Stencil making ï?§ Components source