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: Eraseable, 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 6429333

© DR JEREMY BURGESS/SCIENCE PHOTO LIBRARY

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

EDITORS COMMENTS
This print showcases a coloured scanning electron micrograph (SEM) of the etched surface of an EPROM silicon chip. The intricate details reveal narrow tracks that form an integral part of the chip's circuitry, while rows of memory cells are visible on the left side. This integrated circuit belongs to the EPROM type, which stands for Eraseable, Programmable, Read-Only Memory. EPROM chips possess a unique capability - they can be programmed by applying voltage across selected connecting pins. Once programmed, these memory cells can be electrically switched to store information within the chip. However, what makes EPROM chips truly remarkable is their erasability feature. By exposing them to ultraviolet light, all programming is effectively erased and allows for reprogramming. The magnification used in capturing this image was x180 at a size of 6x4.5cm, providing us with a mesmerizing view into the world of electronics and technology at its finest. This photograph not only highlights the beauty found within electronic components but also serves as a reminder of how far we have come in terms of miniaturization and complexity in integrated circuits like this EPROM silicon chip.

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