| 11. | By colliding with the atoms, the electron beam ionises the injected gas.
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| 12. | The most commonly used form of maskless lithography today is electron beam lithography.
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| 13. | There are many advantages to using a proton beam over an electron beam.
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| 14. | The irradiation is done by three methods-- gamma rays, X-rays, or electron beams.
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| 15. | The electron beam is velocity modulated when it first passes through the cavity.
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| 16. | Its phase is related to the phase of the undiffracted direct electron beam.
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| 17. | This is determined by the area of the electron beam hitting the anode.
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| 18. | In the hot cathode version an electrically heated filament produces an electron beam.
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| 19. | It is mostly used to measure the spin polarization of an electron beam.
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| 20. | These layers are melted together utilizing a computer controlled electron beam.
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