Daily Archives: July 3, 2018

Whisker Growth in Printed Circuit Boards

in whiskers are not fanciful or imaginative items, but are real and pose a serious problem for all types of electronic manufacturing. Pure tin is often used as a finish material on printed circuit boards (PCBs) to protect the exposed copper pads from tarnishing. However, pure tin spontaneously grows conductive whiskers, thin wire like growth that can form electrical paths and affect the operation of the PCB assembly. Understanding Tin Whiskers and their Effects First reported in the 1940s, tin Read more [...]