PCB Manufacturing Specifications — FR-4 Process Parameters & Tolerances
Finished Board SpecificationsLayer Count (FR-4)1 – 20 layersHDI1–3阶 (mechanical blind or laser blind vias)Board Thickness0.6 – 3.2 mm (thickness varies with layer count)Thickness Tolerance (≥ 1.0 mm)±10%Thickness Tolerance (< 1.0 mm)±0.10 mmMax Board