Ion trap

An ion trap is a combination of electric or magnetic fields that captures ions in a region of a vacuum system or tube. Two notable types of ion traps are the Penning trap and the Paul trap.

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For example, in an electron gun (a device emitting high-speed electrons, such as those in CRTs) an ion trap may be implemented above the cathode (using an extra, positively-charged electrode between the cathode and the extraction electrode) to prevent its degredation by positive ions accelerated backward by the fields intended to pull electrons away from the cathode.

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The term ion trap is also used to refer to a Quadrupole ion trap mass spectrometer.

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Ion: : This article is about the electrically charged particle. For other uses of this word, see ion (disambiguation)....

Penning trap: Penning traps are devices for the storage of charged particles using a constant magnetic field and a constant electric field. This kind of trap is particularly well suited for precision measurements of properties of ions and stable subatomic particles which have electric charge. Recently this trap ...

Paul trap: REDIRECT Quadrupole ion trap...

Ion trap related Images and Photos (experimental)

Money Trap, The (DVD)	Tender Trap, The (DVD)	Napoleon Bonaparte I on His Horse	Man Trap 1961
Trap for Santa Claus	Mouse Trap U-Build Game	Ion Profile Pro USB Turntable	The Parent Trap
Peter I on the Banks of the River Neva from the Poem The Bronze Horseman by Alexander Pushkin	Napoleon I on His Horse During the Crossing of the St. Bernard Pass from France to Italy in 1796	The Tender Trap 1955	The Parent Trap 1968