3-step HDI PCB

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3-step HDI PCB
Description

Special Request:

1. 3-step HDI PCB.

2. The blind vias are located between layers L1-12, L2-L3, L3-L4, L9-L10, L10-L11, and L11-L12,

as well as L9-L12. They are laser-drilled and require copper filling and capping.

3. Impedance Control.

4. BGA Ball PAD: 0.3mm, BGA Elliptical PAD: 0.25mm.


Layer: 12L

Base Material: FR4 TG170℃

Board Thickness: 1.143mm

Outer Layer Final Copper Thickness: 1OZ

Inner Layer Final Copper Thickness: 0.5OZ&1OZ

Surface Finished: ENIG

Unit Size(mm): 91.60*201.40

Min. W/S(mil): 2.95/2.99

Min. Hole Size: 0.125mm