Technical specifications

Complete technical parameters and manufacturing capabilities of prototype PCBs.

Parameter	Hodnota
Number of layers Number of copper layers in the PCB	1–4 layers
Controlled impedance For designs where precise control of electrical trace properties is required.	4/6/8/10/12 layers
Material Class A materials	FR-4, Halogen-free
FR-4 dielectric constant 7628 prepreg 4.4 / 3313 prepreg 4.1 / 2116 prepreg 4.16	4.5 (two-layer PCB)
Maximum dimensions These dimensions apply to all PCB layer counts and thicknesses.	190 × 120 mm
Minimum dimensions These dimensions apply to all PCB layer counts and thicknesses.	10 × 10 mm
Dimensional tolerance ± 0.1 mm (precision) / ± 0.2 mm (standard) for CNC / ± 0.4 mm for V-cut	± 0.1–0.5 mm
Board thickness FR-4 available thicknesses: 0.4 / 0.6 / 0.8 / 1.0 / 1.2 / 1.6 / 2.0 / 2.4 mm	0.4–2.4 mm
Thickness tolerance (≥ 1.0 mm) E.g. 1.6 mm board thickness: 1.44 – 1.76 mm	± 10%
Thickness tolerance (< 1.0 mm) Example: 0.8 mm board: 0.7–0.9 mm	± 0.1 mm
Finished copper – outer layers The outer layers can have 1 oz copper thickness.	1 oz (35 µm)
Finished copper – inner layers Standard inner layer copper thickness is 0.5 oz.	0.5 oz / 1 oz (17.5 µm / 35 µm)
Surface finish HASL available with leaded and lead-free options. OSP available only for boards with a copper core.	HASL / ENIG / OSP