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Layer：4
Board thickness:1.6mm
Copper thickness:1oz(35μm）
Board material:TG150
Min line width:0.1mm
Min line space:0.15mm
Min hole size ：0.25mm
solder mask :green color
Legend/silk screen :white color
Surface finishing:HAL LF
Application: common industry control equipment
HAL LF 4 layers pcb
