What is Prepreg vs Core?

Understand PCB core (rigid copper backbone) vs. prepreg (bonding adhesive). Correct prepreg selection prevents delamination, signal loss, and thermal failures in multilayer boards.
Which is the most popular PCB design software?

Compare top PCB tools: Altium for complex designs, Eagle for teams/hobbyists, KiCad for free open-source. Avoid AutoCAD for electronics. Cloud collaboration tips & cost analysis included.