SPUTNIK / SCIENCE PHOTO LIBRARY SPUTNIK / SCIENCE PHOTO LIBRARY
Circuit board assembly work. Worker assembling a printed circuit board (PCB). PCBs are circuit boards where the circuitry is printed and etched using templates and chemical techniques. This allows uniform production and high density of circuitry compared to manual techniques. Components, such as capacitors, resistors and microchips, are then added manually to the circuit board to make the final electronic product. These circuit boards are for use in medical instruments, and are being assembled at the Altonika company in Moscow, Russia. Photographed in 2007.
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