| Board thickness |
♪ 0.8mm – 3.2mm
(for metal‑edge, 1.0‑2.0mm recommended)
|
| Edge plating width |
♪ ≥ 0.3mm continuous metal coating
on side walls
|
| Copper thickness |
♪ 0.5oz – 3oz (base) ♪ Edge plating final copper ≥ 25μm
(can be reinforced with extra plating)
|
| Edge plating methods |
♪ Castellated half‑hole ♪ Stamped hole + metal frame ♪ CNC routed + edge plating
(select based on your design)
|
| Min. castellated hole diameter |
♪ ≥ 0.6mm ♪ Pad clearance ≥ 0.25mm
(after V‑cut, half‑hole integrity guaranteed)
|
| Clearance for edge plating |
♪ ≥ 1.5mm from board edge to internal copper
(to avoid short circuit during plating)
|
| Edge finish |
♪ HASL / lead‑free HASL ♪ ENIG (gold) ♪ OSP (if edge plating not required)
(ENIG recommended for exposed edges)
|
| Solder mask |
♪ Must be removed from edge‑plating area
(solder mask opening defined in Gerber)
|
| Surface flatness |
♪ ≤ 0.75% (for metal‑frame assembly)
(ensures good contact with shielding cover)
|
| Maximum panel size |
♪ 600mm × 500mm
(larger sizes possible with special arrangement)
|