释义 |
DictionarySeefilterwedge filter
wedge filter[′wej ‚fil·tər] (nucleonics) A radiation filter so constructed that its thickness or transmission characteristics vary continuously or in steps from one edge to the other; used to increase the uniformity of radiation in certain types of treatment. wedge filter
wedge filterA filter used in radiography and radiation therapy to vary the intensity of the x-ray beam. This compensates for differences in the thicknesses of the parts being exposed to radiation. See also: filterFinancialSeeFilter |