Rigid-flex

Items Mass ProductionPrototypes
Layers2~24L26L
Max finished Thickness24L/3.0mm26L/3.2mm
Line width/space2.5mil/2.5mil2mil/2mil
Registration5mil4mil
HDI structure5+N+55+N+5
Flex copper thickness2oz2oz
Mechanical drill4mil4mil
Laser drill3mil3mil
StiffenerPI+adhesive、FR4+adhesive、Ceramic+adhesive
Shielding filmSilver epoxy、Tatsuta
Surface finishHASL、Immersion gold、Immersion silver、Immersion tin、OSP