At the end of the day, PCB etching is all about removing copper from a board in as controlled a fashion as possible. PCB etching methods generally fall into one of two broad categories ...

Ultimately, the best PCB antenna design is one where there is no nearby copper fill, and there are no traces running near or on layers below the antenna. After all, any metal trace or component is ...

This particular innovation, where a PCB is packed with stepped circular or rectangular copper coins, is headed to markets where even the best air coolers are impractical – like miniature devices ...