8L HDI board with ISOLA base material, PCB&PCBA from China, 3.0mm board thickness, Apply for consumer industrial control 1. PCB P/N:2593980 2. Material: Isola 3. Board thk:3.0mm 4. copper thk:70UM 5. Smallest hole size:0.2MM 6. No. of holes (pcs):289 7. line w/s:5/5mil 8. Impedance control. Y / N (Tol %):Y 9. Surface Immersion gold 10. Solder Mask Silkscreen:Green 11. Single board size:Dim X (mm):226;Dim Y (mm):195 12. Special: 8LHDI PCB Routing/Punching:CN