Layers :2-28 layer
Product Type: HDI boards（Anylayer HDI）、, high frequency board, RF board, impedance boards, thick copper plate (12 OZ), Flex PCB, yin and yang, copper, mixing board, high TG boards, backplanes, buried capacitance buried baffle
Technical parameters:
Minimum line width / spacing: Outer 3.0/3.0mil (Finished copper thickness 30um), inner 3/3mil (1/3, 1/2OZ)
Minimum hole: 0.15mm (mechanical drilling) / 3mil (laser drilling)
Minimum weld ring: 2mil
The minimum layer thickness between: 2mil
Thickest copper thickness: 12 OZ
Finished maximum size: 600x800mm
Thickness: 0.2-7.0mm double-sided multilayer :0.4-7 .0 mm
Solder bridge: ≥ 0.08mm
Thickness aperture ratio: 26:1
The ability to plug hole :0.2-0 .8 mm
Tolerance:
Metal hole: ± 0.075mm (limit ± 0.05)
Non-metallic hole: ± 0.05mm (limit +0 /-0.05mm or +0.05 /-0mm)
Shape tolerance: ± 0.1mm (limit ± 0.05-0.075mm)