If you have seen printed circuit boards (well, I am sure you have seen one) then you must wonder how they are made and how they are managing your electrical devices. Nowadays, a multiple-layer printed circuit board is managing the most critical electronic devices. From your laptop to your phone and other devices are relying completely on printed circuit boards. Printed circuit boards may seem uninteresting to you but once you get deep into it, it’s an interesting and worth knowing subject. Let’s imagine, how a printed circuit board is working in the device you are using right now, and it will boost your interest. Now the question may arise about the manufacturing of the circuit board. How is a printed circuit board manufactured and prepared?