The solar panel screening process involves several key stages that ensure high-quality solar panel manufacturing. Preparation of substrates, 3. The production technique given in the animation below is one of the simplest techniques and has since been improved upon by many manufacturers and research laboratories. This article is written and verified by Santosh Das, an electronics and. Screen Setup: The mesh screen is coated with a photosensitive emulsion, exposed to UV light through the design, and developed to create the stencil. Polysilicon Production – Polysilicon is a high-purity, fine-grained crystalline silicon product, typically in the shape of rods or beads depending on the method of production.