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4 Layer ENIG Impedance Control Half Hole FR4 PCB2021-08-06T03:07:44+00:00

4 layer ENIG impedance control half hole fr4 PCB

Number of layers: 4
Surface finish: ENIG
Base material: FR4
Outer Layer W/S: 6/3.5mil
Inner layer W/S: 6/4mil
Thickness: 0.8mm
Min. hole diameter: 0.28mm
Special process: impedance control+half hole

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