The copper layers of a printed circuit board are the central focus of any circuit design, the other layers only support or protect the circuit, or simplify the assembly process. For starting PCB ...

Anyone who has ever etched their own PCB knows that the waiting is the hardest part. Dissolving copper in ferric chloride takes time, much like developing a Polaroid picture. And although you really ...

Deep reactive ion etching (DRIE) is a highly anisotropic plasma etching process that creates deep, near-vertical features in silicon and related microfabrication materials. DRIE extends ordinary ...

Plasma etching is perhaps the most essential process in semiconductor manufacturing, and possibly the most complex of all fab operations next to photolithography. Nearly half of all fab steps rely on ...

The demand continues to grow for small but vital components. How chemical etching keeps tooling costs low and allows for rapid design changes. 1. Chemical etching can create complex, stress-free ...

There may be nothing new under the sun when it comes to etching PCBs with UV light, but [Heliosoph] has brought finer control to a used face tanner he bought that now exposes his boards in ~50 seconds ...