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“beam bender”
ion trap, beam bender
1. A magnet mounted to the neck of a kinescope to prevent ions from striking the kinescope screen.
2. A system that prevents an ion spot from forming on a cathode-ray tube screen, generally by using a magnetic field to divert the beam. 3. An arrangement whereby ions in the electron beam of a cathode-ray tube are prevented from bombarding (hitting with high-energy particles) the screen and producing an ion spot, usually employing a magnet to bend the electron beam so that it passes through the tiny aperture of the electron gun, while the heavier ions are less affected by the magnetic field and are trapped inside the gun.
2. A system that prevents an ion spot from forming on a cathode-ray tube screen, generally by using a magnetic field to divert the beam. 3. An arrangement whereby ions in the electron beam of a cathode-ray tube are prevented from bombarding (hitting with high-energy particles) the screen and producing an ion spot, usually employing a magnet to bend the electron beam so that it passes through the tiny aperture of the electron gun, while the heavier ions are less affected by the magnetic field and are trapped inside the gun.
A metal electrode, usually of titanium, into which ions from an ion pump are attracted or absorbed.
This entry is located in the following unit:
ion, ion- +
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