The outer and inner contours of PCBs are usually milled. This also includes cutouts, slots and slotted holes. Holes with a diameter of 6 mm or larger are also milled.
Milling always comes at no ext
The outer and inner contours of PCBs are usually milled. This also includes cutouts, slots and slotted holes. Holes with a diameter of 6 mm or larger are also milled.
Milling always comes at no ext
Design Parameters
Plated-through slots, also called PTH slits (PTH = plated through hole), plated elongated holes , plated-through milling or PTH routing, are producible from 0.6mm width. Smaller d
Milling / PTH slots
Parameter Value
Line width 1µm
Min. milling tool diameter Ø 0.6mm
Min. radius for inner corners 0.3mm
Recommended layer Milling (mechanical layer), e.g. EAGLE layer 46
Min. an
Milling / NPTH slots
Parameter Value
Line width 1µm
Min. milling tool diameter Ø 0.8mm
Min. radius for inner corners 0.4mm
Recommended layer Dimension-Layer, z.B. EAGLE layer 20
Copper exemption
A milling head diameter smaller than 2 mm is possible on request, but should be avoided for reasons of efficiency. The 2mm milling cutter has the highest feed rate with high precision. The contour o
