Circuit board. Light micrograph of tin contacts and tracks (orange)on a multilayer printed circuit board (PCB). These contacts are for the central processing unit (CPU) socket, on the back of a motherboard. Magnification: x15 when printed at 10 centimetres wide.
July 24th, 2016
Viewed 54 Times - Last Visitor from Beverly Hills, CA on 04/18/2019 at 7:53 PM