公开(公告)号：US09772427B2

公开(公告)日：2017-09-26

申请号：US14892640

申请日：2014-01-17

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： Kejun Kang ,  Jianmin Li ,  Ying Li ,  Yuanjing Li ,  Wei Yin ,  Juan Zheng ,  Lei Zeng

IPC: G01V5/00

CPC classification number: G01V5/0041 ,  G01V5/0025

Abstract: The disclosure provides a multi-power multi-dosage accelerator. The multi-power multi-dosage accelerator comprises an electron gun configured to provide a first voltage of the electron gun and a second voltage of the electron gun, and an accelerating tube configured to generate a first X-ray having a first dosage and first power according to the first voltage of the electron gun and generate a second X-ray having a second dosage and second power according to the second voltage of the electron gun, wherein the first dosage is a dosage which can be accepted by human bodies and is much less than the second dosage, the first X-ray is used for inspecting a first area where a person is located, and the second X-ray is used for inspecting a second area where goods are located.