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collimator |
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collimator (kol´imātur), n a diaphragm or system of diaphragms made of an absorbent material and designed to define the dimensions and direction of a beam of radiation. collimator a device, sometimes a diaphragm, or series of diaphragms, which control the direction and the dimensions of the x-ray beam. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Such a magnetic system acts as a magnetic collimator for decay electrons. In a typical application, a panoramic x-ray source that emits a fan beam of x-rays in an angle >180[degrees] is inserted inside of the tire under inspection and aligned with the internal collimator aperture opening. When you do weekly PMCS, get the collimator out and make sure its knobs still work and the leveling bubble moves. |
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collimator
