Ensuring your 4-Layer PCB Stackup is working as intended is one of many responsibilities that Altium Designer’s layer stack manager is capable of.
Copper shorts can be identified with testing. Make sure you define test requirements in your PCB design software.
FR4 is by far the most popular set of PCB substrate materials. Here is how FR4 dielectric constant and your material properties will affect your next PCB.
To successfully build your printed circuit board, your manufacturers need complete and accurate assembly instructions from you in your PCB assembly drawings.
Once you know how to build a circuit board, you can put your knowledge into practice with Altium Designer.