Unformatted text preview: tungsten melting point 3400 degrees celcius the motion of the rotating disk is accomplished by the use of an induction motor charges of the anode and cathode positive and negative what happens in the first stage of exposure? the filament is heated, the bucky begins to move and the anode rotation commences what happens in the second stage of exposure? high potential difference moves the electron cloud toward the anode what is the purpose of the focusing cup? to compress and focus the electron cloud created around the filament what happens to beam quality and what kinds of wavelength results from a decrease in kVp? decrease in quality of the beam and shorter wavelengths common indiction of a gassy x-ray tube fluctuations in mA readings...
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- Winter '11
- Electron, Electric charge, Cathode, Anode, x-ray tube, 7 degrees