线路板

20layer high frequency pcb, 2.0mm board thickness, hdi printed circuit board with 0.15mm smallest hole1. pcb p/n:8964522. layer:20l3. material: fr-44. board thk:2.0mm5. copper thk:35um6. smallest hole size:0.15mm7. no. of holes (pcs):10598. line w/s: 3/3mil9. impedance control. y / n (tol ％):y10. surface : immersion gold11. solder mask silkscreen:green12. single board size:dim x (mm):195;dim y (mm):34513. special:20l high frequency pcbrouting/punching:cn