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10 Cards in this Set
- Front
- Back
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kilovoltage peak [kVp]
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peak energy of the xrays which determines the penetrating power of the xray beam
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milliamperage [mA]
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amount of electrical energy being applied to the filament-- the # of xrays being produced during the exposure
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purpose of an xray tube
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to produce controlled xray beam
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the 5 elements necessary for xray production
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1- source of electrons
2- method of accelerating the electrons 3- obstacle-free path for the passage of high-speed electrons 4- target for the electrons 5- tube to provide a vacuum environment |
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xray tube consists of a ______ & a ______ encased in a ______ ______
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cathode, anode, glass envelope
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2 purposes of the cathode
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1- provide a source of electrons
2- to diret those electrons towards the anode |
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the cathode consists of a ______ that emits electrons when ______
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filament, heated
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the filament in the cathode is made of _______
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tungsten
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2 types of anodes
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1- stationary
2- rotating |
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construction of anode consists of:
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a beveled target placed on a cylindric base
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