Sequential build-up of multilayer boards; Production methods of microvias

 

Contents:

-      Comparison of the structure of different microvias, the advantages of microvias

-      Drilling by UV laser

-      Printed wiring boards fabricated by sequential technology

-      Sequential technology with wall-metallized vias

-      Technological steps of making column vias

-      Sequential build up (SBU) technology with laser or plasma vias

-      Additional sequential build up (SBU) processes