1.4-layer Rigid-flex PCBs with blue LPISM
2.ENIG Finishing, RoHS Compliant

Stack up for rigid flex: 1 layer double side + 2 layer single side PCB
Base material: 1mil PI
CCL: 1mil PI, 1/3oz adhesiveless, double ED copper
Cover layer: 1/2mil PI, 15um adhesive (2x)
Minimum line width: 0.12mm
Minimum line space: 0.07mm
Minimum hole diameter: 0.25mm
Surface treatment: ENIG plating
Solder mask: blue ink
Stiffener: N/A
RoHS compliant