一种窄缝电子感应加速器

By creating a fan-shaped narrow slit and a shielding block on the magnet contact surface, combined with a secondary X-ray collimator, the problems of limited X-ray angle and imaging resolution were solved, achieving X-ray imaging with a larger field of view and higher resolution, and simplifying magnet installation and debugging.

CN116234144BActive Publication Date: 2026-07-17李粉花

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
李粉花
Filing Date
2021-12-03
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The X-ray divergence of existing cyclotron electron induction accelerators is limited by the obstruction of the magnet coils, which prevents the field of view from being expanded. Furthermore, the vertical beam spot size affects the imaging resolution, and the increased size and weight of the magnets are not conducive to applications.

Method used

By creating a fan-shaped narrow slit and a shielding block on the magnet contact surface, combined with a secondary X-ray collimator, large-angle X-ray extraction can be achieved. The magnet direction can be adjusted by roller installation to reduce the influence of the magnetic circuit and the size of the shielding body.

Benefits of technology

It achieves a larger X-ray extraction angle, improves imaging resolution, reduces the size and weight of the shield, and simplifies the magnet installation and debugging process.

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Abstract

本发明涉及一种窄缝引出X射线的电子感应加速器,窄缝宽度小于1mm,张角为±35°。本发明可以很容易获得更大的X射线引出角度,降低加速器与探测器的安装距离;可以获得更小的X射线成像束斑,提高X射线成像分辨率,获得更好的X射线成像质量;X射线二次准直可与加速器屏蔽体做在一起,大幅降低屏蔽体的尺寸和重量;采用滚筒式安装方式,很容易实现磁铁的安装固定和X射线出射方向的调整,加速器屏蔽体的设计、安装调试方便。
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