From copper to PCB [Part 5] – getting more Physical

So for now we have only discussed about how the two layers are, but depending on the use case, there can be more than two layers and in that case the manufacturers have more copper sand witches sand witched and through our given GERBER information, what diagrams are to drawn on sides are conveyed and all are drawn independently and then sand witched.

Now I have said there are files which convey information, so I have a point to add that these all assembly are done in parts and only the diagram part and drill parts are done with the help of drill machines and photo developers and oxidation and copper deposits etc.

Now as we sort of now know how the PCB is manufactured lets start where we left off, that is after logical diagram and attaching footprints.

So, after all those we just have to draw circuits and those are just how copper tracks will go where the components will be placed, where the power lines will be where the ground planes will be and so on. Also first we just have to place components in place as we want and they are connected with the help of raster nets which are derived from the logical diagram actually, and these raster nets are then to be made copper tracks that is how physically copper will run from one component to another and how the ground planes would be. These running of copper tracks is called routing and has some specific rules.