6L

parameter
Layer number: 6 HDI second order structure: 1+4+1.
Plate: S1000-2 h
Thickness: 1.2 + / - 0.1
Line width: 4/4mil.
Minimum hole: 0.2mm mechanical hole.
Laser hole 0.1 mm
Surface treatment: sinking gold 2U'
Special: 50 ohm antennas (cross-referenced),90 ohms and 100 ohm differential impedance lines.
Half a hole