• HDI PCB's manufacture process

This video shows a pcb's manufacture process of 6 layers with microrvias and buried via.

The main phases of the manufacture process are:

Photosensitive film application, Insolation, Optical test, Multilayer press, Drilled, Desmear, Blackhole, Electrolytic plated, Laser microvies, Solder mask, Ink legend, Plated finish, Electrical test.