Flex PCB

Laminate: polymide

Board thickness: 0.2mm (5-inch)

Copper thickness: 35um (1oz) copper for all layers after finish

Copper wall in the hole: 20um (0.8 mil)

Coverlay: 25um (1 mil)


Immersion gold Ni: 3 to 5um

Au: 0.05um (Ni: 120 micro inch/Au: 2 micro inch)

Trace width/width: 0.15/0.15mm (6/6 mil)

Minimum hole size: 0.3mm (12 mil)