What is micrometer? - Definition from WhatIs.com
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:

  • 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

  • neurosynaptic chip (cognitive chip)

    - A neurosynaptic chip, also known as a cognitive chip, is a computer processor that functions more like a biological brain than a typical CPU does. (WhatIs.com)

  • von Neumann bottleneck

    - The von Neumann bottleneck is a limitation on throughput caused by the standard personal computer architecture. (WhatIs.com)

  • smart card

    - A smart card is a device, often the size of a credit card, which includes an embedded microcontroller or memory chip and can securely process or store data. (SearchSecurity.com)

Glossaries

  • Microprocessors

    - Terms related to microprocessors, including definitions about silicon chips and words and phrases about computer processors.

  • Internet applications

    - This WhatIs.com glossary contains terms related to Internet applications, including definitions about Software as a Service (SaaS) delivery models and words and phrases about web sites, e-commerce ...

Ask a Question. Find an Answer.Powered by ITKnowledgeExchange.com

Ask An IT Question

Get answers from your peers on your most technical challenges

Ask Question
  • How do I set decimal places with VB Access

    First, the decimal places property in the table does not indicate how many decimal places will be stored. It is only for displaying the decimal places. To display the decimal places on the report...

Tech TalkComment

Share
Comments

    Results

    Contribute to the conversation

    All fields are required. Comments will appear at the bottom of the article.