... PCB and FPC board 4. UL, RoHS, SGS High Quality PCB Manufacturing Shenzhen Yuzhixiang Electronics Co., Ltd, also named ... Hi-frequency PCB1) Sample within 6 days for high frequency board2) Normal pcb within 4 days for ... (RoHS Compliant) , CEM-3, CEM-1, Aluminium, High frequency Material (Rogers, Teflon, Taconic)Layer No.1 - 30 ... Clearance (b)0.005"(0.125mm)Min SMT Pad spacing (c)0.004"(0.1mm)Solder Mask ...