The key manufacturing limits and design rules at a glance, for single-sided, double-sided, multilayer, flex and rigid-flex PCBs. Limit values do not all apply in every combination at the same time. For demanding designs, we are happy to check your data in advance.
- Conductor pattern
- Holes and vias
- Sizes and thicknesses
- Milling and tolerances
- Solder mask and printing
- Surface finishes
- Materials and certificates
Conductor pattern
| Outer layers | Inner layers | |
|---|---|---|
| Min. track width | 0.08 mm | 0.08 mm |
| Min. track spacing | 0.08 mm | 0.08 mm |
| Min. pad diameter | 0.35 mm | 0.35 mm |
| Min. SMD pad | 0.2 mm |
| Min. component spacing | 0.37 mm |

Holes and vias
| Aspect ratio (hole depth to min. Ø) | 12 : 1 |
| Min. finished hole diameter (PTH) | 0.1 mm |
| Mechanically drilled microvias | 0.1 – 0.2 mm |
| Blind via – min. finished diameter | 0.2 mm |
| Blind via – min. pad diameter outer / inner | 0.35 mm |
| Blind via – aspect ratio | 1 : 1 |
| Copper in the hole wall | > 25 µm |

Sizes and thicknesses
| Layer count | up to 12 layers |
| Max. size double-sided | 490 × 580 mm |
| Max. size multilayer | 405 × 525 mm |
| Final PCB thickness | 0.1 – 3.5 mm |
| Min. layer spacing | 0.05 mm |
| Standard final copper | 35 / 70 µm |
| Copper thickness | 9 – 235 µm |

Milling and tolerances
| Min. inner radius | 0.25 mm |
| Milling tolerance | ± 0.10 mm |
| V-scoring – min. material thickness | 0.5 mm |
| Tolerance PTH diameter | +0.10 / –0.05 mm |
| Tolerance hole position | ± 0.05 mm |
| Tolerance base material thickness | ± 10 % |

Solder mask and printing
| Solder mask – min. clearance | 0.05 mm |
| Peelable mask – min. overlap | 0.3 mm |
| Peelable mask – min. clearance | 0.6 mm |
Solder mask – colours
- Green
- Red
- White
- Black
- Blue
Special printing
- Peelable mask, RoHS-compliant
- Carbon printing
All solder masks and inks we use are supplied by Lackwerke Peters.
Surface finishes
- HAL / lead-free HAL
- Electroless nickel immersion palladium immersion gold (ENIPIG)
- Electroless nickel immersion gold (ENIG)
- Electroplated nickel-gold
- Gold-plated edge connectors
- Immersion tin
- OSP
Materials and certificates
Base materials
- All FR4*
- Polyimide**
- Rogers®**
- Aluminium, copper-clad**
* For UL-marked PCBs, FR4 base materials and solder masks are restricted
** Without UL marking
Certifications
- DIN EN ISO 9001:2015
- UL certification (US and C) for ZPVM2 and ZPVM8, E-File E119015
- ZPVM8 is recognised by CSA
You can find our certificates in the download area.
Send us your data – we will check feasibility in advance.
