Supported by the National Natural Science Foundation of China (60672104,10675013);the Na-tional Basic Research Program of China ("973"Program)(2006CB705705);the 10th Five-Year Plan of the Ministry of Science and Technology of China(2001BA706B-05);the Joint Research Foundation of Beijing Municipal Commissionof Education~~
A method for designing an X-ray flatness filter for medical electron linac is developed. It is used in the optimization process in the electron beam radiation system. Monte Carlo simulation method is used and two exam...