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:intelligent bracelet
Customized asymmetric structure.
Specially designed mechanical routing applied for rigid part to prevent damage to flexible part.
Laser profiling applied for flexible part to achieve dimension tolerance ±0.05mm and reduce the tinny burrs.