Orilind Limited Company
Flash Gold+Hard Gold board. the base Material is FR4 IT180A (TG180). 8-layer PCB.Copper thickness is 1oz inner-layer/1.5oz outer-layer.Board Thickness is 1.8mm and the Min.Hole Size is 0.3mm. Min.Line Width/Min.Line Spacing is 0.25mm/0.25mm. green solder-resist & white silkscreen. E-test: 100%. Flash Gold(hard Gold) is an expensive surface treatment, which has the advantage of being able to withstand friction.