Manufacturability

Items 2024 2025
layers (MP):16层,(Sampling):32层  (MP):20层  
Max. Board THK Sampling 4.0mm / MP :3.2mm Sampling 5.0mm / MP:3.2mm
Min. Board THK Sampling :0.4mm /MP :0.5mm Sampling: 0.3mm / MP:0.4mm
Base copper Inner layer 1/3 ~ 6OZ 1/3~8 OZ
Outer layer 1/3 ~ 6 OZ 1/3 ~ 8 OZ
Borehole diameter Min.PTH 0.2mm 0.15mm
Max. aspect ratio 10:01 12:01
HDI aspect ratio 0.8:1 1:01
Tol   PTH ±0.076mm ±0.05mm
  NPTH ±0.05mm ±0.03mm
solder mask opening 0.05mm 0.03mm
solder dam (Green) 0.076mm , (Green) 0.076mm ,
(other color) 0.1mm (other color) 0.08mm
Min. core THK. 0.1mm 0.08mm
Bow&twist ≤0.5% ≤0.5%
Routing Tol.  Sampling :±0.075mm /MP:±0.1mm Sampling:±0.075mm /MP:±0.075mm
Impedance Tol. ±10% ±8%
Min. w/s (Inner layer) 0.075 / 0.075mm 0.075 / 0.075mm
Min. w/s (Outer layer) 0.075 / 0.075mm 0.075 / 0.075mm
 (Min. BGA size) 0.2mm 0.15mm
(pitch)(Min. BGA Pitch) 0.65mm 0.5mm
(Working panel size) 600mm*700mm 600mm*700mm
Spec. Tech.  Split gold fingers, Counter-bore , Counter-sink, Back-Drill, POFV , Mech. Drilling Blind hole.