1. hexagon aluminium printed circuit board 2.size: 20*20*1.6mm, copper 1oz 3.black ... 4.lumen pad. hexagon mcpcb board1.aluminum single sided pcb board printed circuit board2.size: 20*20*1.6mm, copper 1oz3.black soldermask ... ) 09ShapingDie Punching, CNC Route, CNC V-Cut10Testing100% Compute Short/Open Circuit Test11The Minimum Hole Diametersingle-sided 0.8mm, PTH 0.3mm12The ...