Product name: Industrial control board CharacteristicLayer count: 6 Board thickness: 1.60mm base materials: FR4 S1141 Finished size: 172*148mm Surface finish: Gold Plated + finger Line width/line space: 5/5mil Minimum hole: 0.25mm Solder resist color: blue Cu thickness: inner layer 1 OZ outer layer 1 OZSpecifications: 1,Website:http://www.allpcbwin.com, the board design integration is very high; 2, the need to use composite surface treatment method, gold finger plating hard gold 30 uinch; 3, gold finger position plate thickness tolerance 1.6mm+/-0.10mm, it is recommended
ENIG+Gold Finger Pcb Board