Special Request: Impedance control board Layer: 6L Base Material: FR4 Board Thickness: 1.6mm Final Copper Thickness: 1OZ Surface Finished: ENIG Unit Size(mm): 104.00*60.00 Min W/S(mil): 5/6.79 Min Hole Size: 0.3mm
https://www.hoyogo.com/6-Layer-Impedance-Control-Board.htmlSpecial Request: 1. BGA 2. Impedance Control Board Layer: 8L Base Material: FR4 TG150 Board Thickness: 1.6mm Final Copper Thickness: 1OZ Surface Finished: ENIG Unit Size(mm): 36.57*51.88 Min. W/S(mil): 3.5/4 Min. Hole Size: 0.2mm Solder Mask: Blue
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