To produce a therapeutically useful electron beam, the stream of electrons leaving the electron gun must contact the ___________ before exiting the gantry head.

Name: To produce a therapeutically useful electron beam, the stream of electrons leaving the electron gun must contact the ___________ before exiting the gantry head.
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Question

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The most common method of producing a beam wide enough for clinical use is to use a scattering foil.A second method is to use magnetic field scanning.

To Produce a Therapeutically Useful Electron Beam, the Stream of Electrons