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collimator |
Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson | 0.03 sec. |
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collimator [′käl·ə‚mād·ər] (optics) An instrument which produces parallel rays of light. (physics) A device for confining the elements of a beam within an assigned solid angle. 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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