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・ Flood Control Act of 1941
・ Flood Control Act of 1944
・ Flood Control Act of 1946
・ Flood Control Act of 1948
・ Flood Control Act of 1950
・ Flood Control Act of 1965
・ Flood control channel
・ Flood control in the Netherlands
・ Flood Disaster Medal
・ Flood Entrance Pot
・ Flood fill
・ Flood forecasting
・ Flood Forecasting Centre (UK)
・ Flood Gallery Fine Arts Center
・ Flood geology
Flood gun
・ Flood insurance
・ Flood insurance rate map
・ Flood Insurance Reform Act of 2004
・ Flood levy
・ Flood Marker of 1771
・ Flood mitigation
・ Flood Modeller Pro
・ Flood myth
・ Flood Mythology of China
・ Flood of 1851
・ Flood of 1955 (Connecticut)
・ Flood of Fire
・ Flood opening
・ Flood plain toadlet


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Flood gun : ウィキペディア英語版
Flood gun
A flood gun is an electromechanical device that provides a steady flow of low-energy electrons to a desired target or "flood area."
Typically, the target is an area on an insulator or semiconductor where another "writing gun" has just left a net positive charge.
If the energy of a flood gun's electrons is properly balanced, each impinging flood gun electron knocks out one secondary electron from the target, thus preserving the net charge in the target area. This is called "charge neutralization."
Flood guns are typically used in photoelectron spectroscopy, oscilloscopes and ion beam implanters as their secondary electron gun.
== References ==

*Barnard, B. R. ("Flood Gun for Charge Neutralization" ), 2005

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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