Multilayer PCBs are built by joining all the number of layers and materials at high temperature and pressure so as to remove any trapped air between the layers.
Ama-PCB amaningiakhiwa ngokujoyina lonke inani lezendlalelo nezinto zokwakha ezingeni lokushisa eliphezulu nengcindezi ukuze kususwe noma yimuphi umoya obhajwe phakathi kwezendlalelo.