Every limit your layout needs to respect.

• 1 – 32 layers

1–6 layers are the fastest and most economical.

• 4 – 32 layers
• ±10% standard tolerance

±5% available on request.

• FR-4 (Grade A)
• Aluminium core (1 layer)
• Copper core (1 layer)
• Rogers / PTFE (2 layer)

• Core: 4.5
• 7628 prepreg: 4.4
• 2116 prepreg: 4.16
• 3313 prepreg: 4.1

• 1 layer FR-4: 606 × 510 mm
• 2 layer FR-4: 670 × 600 mm (1020 × 600 mm extended)
• 4 layer FR-4: 663 × 593 mm (1016 × 596 mm extended)
• 6+ layer FR-4: 656 × 586 mm
• Rogers / PTFE: 590 × 438 mm
• Aluminium: 602 × 506 mm
• Copper core: 480 × 286 mm

• FR-4, Rogers, PTFE: 3 × 3 mm
• Castellated / plated edges: 10 × 10 mm
• Aluminium, copper: 5 × 5 mm

• Standard: ±0.1 mm
• CNC routing: ±0.2 mm (±0.1 mm precision)
• V-score: ±0.4 mm

• 0.4 – 4.5 mm
• FR-4: 0.4 / 0.6 / 0.8 / 1.0 / 1.2 / 1.6 / 2.0 mm

2.5 mm and above for 12+ layer boards only.

• ≥ 1.0 mm: ±10%
• < 1.0 mm: ±0.1 mm

• 2 layer: 1 / 2 / 2.5 / 3.5 / 4.5 oz
• Multilayer: 1 / 2 oz

• 0.5 oz default; 1 oz or 2 oz optional

• Green, purple, red, yellow, blue, white, black (LPI)

• HASL leaded / lead-free
• ENIG
• OSP

OSP is not available on single-sided FR-4, flex or aluminium boards.

• 1 layer: 0.3 – 6.3 mm
• 2 layer and multilayer: 0.15 – 6.3 mm

Holes larger than 6.3 mm are CNC routed.

• Plated through-hole: +0.13 / −0.08 mm
• Press-fit: ±0.05 mm (finished 0.55 – 2.0 mm)

• 18 µm average

• ±0.05 mm

• 0.15 mm hole / 0.25 mm pad
• 1 layer (NPTH only): 0.3 mm / 0.5 mm

0.2 mm hole or larger is preferred for cost and yield.

• Not supported

• 0.5 mm minimum

• 2 layer: 0.5 mm min.
• Multilayer: 0.35 mm min.

• 1.0 mm minimum

• Plated: +0.13 / −0.08 mm
• Non-plated: ±0.2 mm

• Via to via: 0.2 mm
• Pad to pad: 0.45 mm

• Hole ≥ 0.5 mm
• Hole to edge ≥ 1 mm
• Hole to hole ≥ 0.5 mm
• Board ≥ 10 × 10 mm, ≥ 0.6 mm thick

• Copper-plated, ENIG finish
• Board ≥ 10 × 10 mm, ≥ 0.6 mm thick

HASL cannot be used with plated edges.

• Width ≥ 1.0 mm, depth ≥ 0.2 mm
• Remaining thickness ≥ 0.2 mm
• 2–32 layer FR-4, ≥ 0.8 mm thick

• 4–32 layer FR-4, ≥ 0.8 mm thick
• Through-hole 0.2 – 0.5 mm
• Backdrill ≈ hole + 0.2 mm
• Dielectric ≥ 0.15 mm, safety distance ≥ 0.2 mm

• Not supported — use slots

• 1–2 layer: 0.10 / 0.10 mm (4 / 4 mil)
• Multilayer: 0.09 / 0.09 mm (3.5 / 3.5 mil)

• 2 layer: 0.16 / 0.16 mm (6.5 / 6.5 mil)
• Multilayer: 0.15 / 0.15 mm (6 / 6 mil)

• 2.5 oz: 0.20 / 0.20 mm (8 mil)
• 3.5 oz: 0.25 / 0.25 mm (10 mil)
• 4.5 oz: 0.30 / 0.30 mm (12 mil)

Heavy copper is available on 2-layer boards.

• ±20%

• 2 layer, 1 oz: 0.25 mm recommended (0.18 mm min.)
• Multilayer, 1 oz: 0.20 mm recommended (0.15 mm min.)
• 2 oz copper: 0.254 mm or more

• ≥ 0.45 mm

• Pad ≥ 0.2 mm
• Pad to trace ≥ 0.1 mm (0.09 mm multilayer)
• Via-in-pad supported

0.20–0.25 mm BGA pads require ENIG.

• Masked: 0.15 / 0.15 mm
• Exposed: 0.25 / 0.25 mm

ENIG only; HASL risks shorts between turns.

• 0.25 mm width and spacing

• 0.25 mm

• 0.1 mm

• 0.15 mm

• 0.25 × 0.25 mm

• 0.2 mm

• 0.28 mm (0.35 mm recommended)

• 0.2 mm

• Via hole to copper: 0.2 mm
• PTH hole to copper: 0.3 mm

• 1:1 with pad

Keep ≥ 0.09 mm between neighbouring openings.

• 1 oz, green / red / yellow / blue / purple: 0.10 mm
• 1 oz, black / white: 0.13 mm
• 2 oz, any colour: 0.20 mm

• Filled with solder mask
• Via ≤ 0.5 mm
• ≥ 0.35 mm to other openings

• Epoxy filled and capped
• Copper paste filled and capped
• Via 0.15 – 0.55 mm

Default process on 6-layer and higher boards.

• 3.8

• ≥ 10 µm

• 0.15 mm

• 1.0 mm (40 mil)

• 1 : 6

• 1 : 6

• 0.15 mm

• Min. routed slot 0.2 mm
• Copper to edge ≥ 0.2 mm
• Tolerance ±0.2 mm (±0.1 mm precision, boards ≥ 50 × 50 mm)

Aluminium and copper-core boards need a 1.6 mm minimum routed slot.

• Copper to V-cut line ≥ 0.4 mm
• Board ≥ 0.6 mm thick
• Panel 70 × 70 mm to 475 × 475 mm
• 25° groove, boards ≥ 2 mm apart (3 mm recommended)

• Board spacing 1.6 or 2 mm
• Holes 0.5 – 0.8 mm, 0.2 – 0.3 mm apart
• Tab width ≥ 4 mm (5 mm with mouse bites)
• Rails ≥ 3 mm (5 mm for SMT assembly)

• 2 mm minimum between boards

• Each board ≥ 20 × 20 mm

• At least 3, ≥ 1.5 mm diameter