Part of the Microprocessors glossary:

A micrometer (sometimes expressed using the obsolete term, micron ), is one-millionth of a meter and can also be expressed as:

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  • micron

    The micron, officially obsolete as a term of me...

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  • mu

    The lowercase Greek letter mu is used to repres...

    (WhatIs.com)
  • 10 -6 meter
  • One thousandth of a millimeter
  • One 25-thousandth of an inch

The micrometer is a unit of measure for the core in optical fiber , for which the most common diameter is 62.5 micrometers. It is also used to measure the line width on a microchip . Intel's Pentium 4 microprocessors are built using 0.18 or 0.13 micrometer line widths. AMD's Athlon uses a 0.18 line width.

A human hair is said to be about 50 micrometers wide.

This was last updated in September 2005
Posted by: Margaret Rouse

Related Terms

Definitions

  • micron

    - The micron, officially obsolete as a term of measurement, is sometimes used by microchip and wiring manufacturers in place of micrometer, one-millionth of a meter. (SearchCIO-Midmarket.com)

  • terahertz (THz)

    - The terahertz, abbreviated THz, is a unit of electromagnetic (EM) wave frequency equal to one trillion hertz (1012 Hz). (SearchNetworking.com)

  • HiP7 and HiP8

    - HiP7 and HiP8 are abbreviations for two versions of HiPerMOS, a complementary-metal-oxide-semiconductor (CMOS) microchip technology invented by Motorola. (WhatIs.com)

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