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stepwedge |
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stepwedge [step′wej] an aluminum device that, when exposed to x-rays, displays a range of exposure intensities on a radiograph. These exposure "steps" are analyzed to determine the speed characteristics of the radiographic film. Also called penetrometer. stepwedge, n an aluminum device that, when exposed to roentgen rays, displays a range of exposure intensities on a radiograph. These “steps” are analyzed to determine the speed characteristics of the radiographic film. See also penetrometer. stepwedge a block of aluminum shaped like a series of steps. Used to test the characteristics of the x-ray beam, film, filters and to standardize exposure factors. 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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