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| Dec 3, 2009 |
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Hardware >
Electronic Components >
Integrated Circuits >
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ALSO CALLED:
Semiconductor Devices,
Digital Semiconductors,
Computer Chips,
Chips
DEFINITION: A semiconductor is a substance, usually a solid chemical elementor compound, that can conduct electricity under some conditions but not others, making it a good medium for the control of electrical current. Its conductancevaries depending on the current or voltage applied to a control electrode, or on the intensity ofirradiation by infrared (IR), visible light, ultraviolet (UV), or X rays.The specific
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Definition continues below.
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Semiconductors Reports
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1 Match
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IBM Rear Door Heat Exchanger
sponsored by IBM
WHITE PAPER:
This IBM white paper helps you to understand what's happening in an overheated system and to see if yours is at risk, it also explains how the IBM Rear Door Heat eXchanger helps to dramatically reduce data center power consumption.
Posted: 27 Oct 2008 | Published: 27 Oct 2008
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SEMICONDUCTORS DEFINITION (continued): … properties of a semiconductor depend on theimpurities, or dopants, added to it. An N-type semiconductor carries current mainly in the form ofnegatively-charged electrons,in a manner similar to the conduction of current in a wire. A P-typesemiconductor carries current predominantly as electron deficiencies called holes. A hole has a positive electric charge, equal and opposite to the charge on an electron. Ina semiconductor material, the flow of holes occurs in a direction oppositeto the flow of electrons.Elemental semiconductors include antimony, arsenic, boron, carbon,germanium, selenium, … Semiconductors definition sponsored by SearchCIO-Midmarket.com, powered by WhatIs.com an online computer dictionary
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