This is an example of an interactive graphical presentation of Printed Circuit Board (PCB) Fabrication. This is a graphical presentation of the major steps in PCB fabrication. The best way to under stand many of the processing steps to understand what is happening in the Plate Through Hole (PTH). The point of view for this presentation is of the Plated Through Hole cross section (XS) viewed at around 100X. Viewing a cross section (XS) of a plated through hole (PTH) you will proceed through the process step by step. Use the buttons at the bottom to advance throughout the presentation. Point and click on the cross section for a definition of that part the PTH. Use the index on the left to go to a specific step.