The copper layers are then processed by way of a chemical Alternative which eliminates any on the “resist” layer which wasn’t hardened with the ultraviolet light. This leaves hardened “resist” content only in excess of the specified copper traces and pads. The cookie is ready via the GDPR Cookie Consent https://preschool-in-bhopal70123.blogmazing.com/27732426/considerations-to-know-about-electronic-prototype-construction