介绍了电晕法制备的驻极体在电离辐射 γ射线剂量测试中的应用 ,重点介绍了驻极体的电晕法制备装置和驻极体剂量测试装置的设计制作 ,描述了剂量测量装置的感应电流法工作原理、结构和特点 ,说明了这些特点对准确测量辐射剂量的重要性 ,给出了电晕法制备驻极体的电荷稳定性及辐射剂量测试的实验结果 .结果表明电晕法制备的驻极体及其所建实验装置能够用于γ辐射剂量的测量 . The application of corona-based electret in the ionizing radiation γ-ray dose testing is introduced. The design of electret corona process and electret dose testing device are introduced emphatically. The design of the dose measuring device The working principle, structure and characteristics of the induced current method are described, and the importance of these characteristics to accurately measure the radiation dose is demonstrated. The charge stability of the electret prepared by corona method and the experimental results of the radiation dose test are given. The results show that the corona method The prepared electret and its built experimental device can be used for the measurement of γ radiation dose.