Summary:In brief, each hole on the PCB can be called vias. From the point of view of function, vias can be divided into two categories: one is used as an electrical connection between the layers, and two is used as a device for fixing or positioning.
Summary:The work layer can be broadly divided into 7 categories: signal layers, internal planes (internal power/ ground layer), mechanical layer, solder mask layer, silk screen layer, others and system work layer.
Summary:There are many reasons a printed circuit board designer might want to have a via tented, plugged or filled.
Summary:There are 11 steps to the PCB design process & work flow.