Coloured SEM of surface of an EPROM silicon chip

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Coloured SEM of surface of an EPROM silicon chip

EPROM silicon chip. Coloured Scanning Electron Micrograph (SEM) of the etched surface of part of an EPROM silicon chip. Here, narrow tracks form part of the chips circuitry; at left are rows of memory cells. This is an integrated circuit. The chip is of the EPROM type: Electrically Programmable Read-Only Memory. EPROM chips are programmed by applying a voltage across selected connecting pins. The memory cells can be switched electrically so that the chip stores the information programmed into it. By shining ultra- violet light on the chip, the programming is erased and it can then be reprogrammed. Magnification: x180 at 6x4.5cm size

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Media ID 6429481

© DR JEREMY BURGESS/SCIENCE PHOTO LIBRARY

Chip Electron Micrograph Electronic Electronics Integrated Circuit Micro Chip Scanning Silicon Silicon Chip

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