Plated Half-holes

Plated half-holes are predominantly used for board-on-board connections, mostly where two printed circuit boards with different technologies are combined. E.g. the combination of complex microcontroler modules with common, individually designed PCBs.

Additional applications are display, HF or ceramic modules which are soldered to the base printed circuit board.

The board-on-board PCBs therefore need plated half-holes, which serve as SMD connection pads. Through directly connecting the PCBs together, the whole system is considerably thinner than a comparable connection with multi-pin connectors.

  • The milling tolerance is +/- 150µm
  • The milling gap within a panel needs to be 10mm min. (see drawing)


Through setting back the copper shell from the conture, the plating is protected from mechanical damaging.

Therefore the  plated half-holes can be milled precisely what strongly improves the process reliability.

Internal Half-holes are also producable.

  • PCB half-holezoom image
  • PCB sideplatingzoom image

Design Parameter

The following table contains the minimum parameters!

Ø drill Ø pad clearance solder-stop bridge pitch min.
750µm 1050µm 75µm 100µm 1250µm


PCB half-hole
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Pricing Examples

Printed Circuit Boards always include:

- E-Test
- Solder-stop 2x
- Marking print 1x
- Gerber-Import
- Scoring (series)
- Design-Rule-Check

- Tooling costs
- Photoplot
- Conductors 150μm
- Drill holes 0,3mm
- Unlimited drilling
- HAL, FR4 1,6, 35μm Cu

2 layers - 5 WD
41,- €
1 Printed circuit board 100x100mm
4 layers - 5 WD
59,00 €
1 Printed circuit board 100x70mm
6 layers - 6 WD
129,00 €
1 Printed circuit board 60x100mm
e.g. 100 pcs. PCB 100x100mm
2 layers - each
3,73 €
4 layers - each
5,22 €
6 layers - each
7,68 €
8 layers - each
13,20 €
SMD Stencils
max. 150x200mm - 2WD
33,80 €
1 Stencil, incl. unlimited pads
max. 600x600mm - 2WD
89,00 €
1 Stencil, incl. unlimited pads
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