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SEM of a DRAM computer memory chip

SEM of a DRAM computer memory chip

T370/0572

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Credit

DAVID SCHARF / SCIENCE PHOTO LIBRARY DAVID SCHARF / SCIENCE PHOTO LIBRARY

Caption

False-colour scanning electron micrograph (SEM) of part of a 256-kilobyte Dynamic Random Access Memory (DRAM) integrated circuit or silicon chip. DRAMs do not store information on a permanent basis; instead their memory cells are refreshed every 2 milliseconds. A mainframe computer might contain 400-1000 DRAMs. Magnification: x4, 000 at 8x10, x500 at 35mm size.

Release details

Model release not required. Property release not required.

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