B.KRAMER / CUSTOM MEDICAL STOCK PHOTO / SCIENCE PHOTO LIBRARY B.KRAMER / CUSTOM MEDICAL STOCK PHOTO / SCIENCE PHOTO LIBRARY
Silicon wafer inspection. A technician holds a photograph of part of a silicon wafer, while making checks on its microcircuit. He is seated at a microscope in order to view the wafer at magnification. This is a "clean room" and the technician is dressed in a body suit, hood and facemask. In all processes involving the manu- facture and testing of microcircuits, technicians wear protective clothing and gloves, and the air in the "clean room" is filtered. Even the smallest particle of dust may disrupt one of these microcircuits.
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