ItemsMass ProductionPrototypes
Layers2~6L10L
Thickness≤0.3mm/
Line width/spaceI/L: 2.5mil/2.5mil (HOZ)
O/L: 4mil/4mil (1OZ)
I/L: 2mil/2mil (HOZ)
O/L: 3mil/3mil (1OZ)
Ring of through hole≥6mil4mil
Routing tolerance+/-0.1mm+/-0.05mm
Impedance control+/-10%/
Through hole size≥8mil6mil
Laser drill4mil3mil
StiffenerPI+adhesive、FR4+adhesive、Ceramic+adhesive
Shielding filmSilver epoxy、Tatsuta
Surface finishHASL、Immersion gold、Immersion silver、Immersion tin、OSP