The double sided PCB assembly process is a complex sequence of steps leading to the final product, requiring precision and knowledge of different assembly methods. The process includes the selection of appropriate technology, the precision of component assembly, and the use of through-hole, surface mount, and mixed mounting methods. The article provides an overview of the PCB production process, including laminates, soldermask, and manual and wave soldering. It also discusses the assembly of components using pick and place machines and the process of applying paste before soldering. Overall, the article serves as a good starting point for understanding PCB manufacturing technology.