Beyond RoHS

The RoHS requirement came into being as a way to remove potentially hazardous materials from coming into contact with people and from entering the world ecology through improper disposal.  Beryllium (Be), cadmium (Cd), chromium (Cr), mercury (Hg), arsenic (As), and lead (Pb) are among the most common metals that bear discussion.  They have not nearly […]

Why Lead-free RoHS Circuit Board Assemblies?

The Restriction of Hazardous Substances (RoHS) directive 2002/95/EC began as a European movement to decrease the deposition into the environment of known carcinogens and to enhance the recyclability of mixed-material waste. The goal was to create a new generation of electrical products that are free of substances hazardous to health and the environment. Initially all […]

The Importance of PCB Finishes

The surface finish of your printed circuit board might not be the first design aspect that you address in a new layout but it should be among the top contenders. Where do you usually begin a PCB design?  Mechanical design aspects would lead one to select rigid, flex, or bend-flex.  Operating temperature would dictate if […]