Item: 2 layer Rigid-Flex PCB
Layer count：double-sided PCB
Board thickness：0.4mm
Dimension：115.0*91.0mm
Raw material：FR4+PI+NFPP
Copper thickness on the board surface：≥35um
Copper thickness in the hole barrel：20um
Min.line width/space：0.075mm
Minimum hole diameter：0.20mm
Surface finishing：immersion gold≥1u”
Application：smart bracelet