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HDI pcb Printed circuit board, china pcb manufactureHDI pcb Printed circuit board, china pcb manufactureHDI pcb Printed circuit board, china pcb manufacture

HDI pcb Printed circuit board, china pcb manufacture

  • Layer count: 18L
  • materials:  M6
  • Board thickness:  3.0+/-0.3mm
  • Finishing Size: 210x395.2mm
  • Min Line w/s: 3.2/3.5mil
  • Min drill size [FHS/DHS] : 0.20mm/0.30mm
  • Plating  AR DHS : 11.7:1
  • Hard gold thickness: 4UM
  • Surface finish: ENIG
  • Impedance:  Tol: +/-7%, the deviation of the impedance in the same layer must not exceed +/- 2Ohm
  • Other :  Back drill, Rotated 7 degree. 
COPPER PLATE HOLES MINIMUM .025 AVG, .020 MIN.. HOLES MAY NOT BE PLUGGED
•Special requirement:ENIG, Hard gold thickness: 4UM, Impedance:  Tol: +/-7%, the deviation of the impedance in the same layer must not exceed +/- 2Ohm, Back drill, Rotated 7 degree.

Pack with colorless transparent bubble film ,25 PCS/ bag, put desiccant in flank, put humidity indicator card on top side

Layer structure




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