Precision EMS Business Customized PCB Assembly Service by PCBA Manufacturers

• Layers: 18L

• Product size: 220*330*2.8mm

• Material: TU-872HF

• Board Thicknes: 1.6±0.1 mm

• Copper Thicknes: 35/18/18/35 um

• Min.Trace/Space: 3.6/3.6mil

• Min.Hole Size: 0.16mm

• Surface Finsh: ENIG

Metallized holes

Plated Through Hole (abbreviated: PTH)

A hole with a metal layer deposited on its wall. It is mainly used for electrical connection of conductive patterns between layers.

Nonmetalizing pore

non Plated Through Hole(NPTH)

A hole without a metal layer in the wall, mainly used for installation and positioning.

Difference: there is copper on the hole wall is metallized through the hole, there is no metallized through the hole