X-ray generating device

By introducing a discharge detection unit and a deflection switching unit into the X-ray generation device, the discharge between the cathode electrode and the adjustment electrode is detected and dealt with, the problem of uncontrollable electron release amount is solved, and the goal of avoiding target damage and ensuring X-ray generation is achieved.

CN119767497APending Publication Date: 2025-04-04HAMAMATSU PHOTONICS KK
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Patent Information

Application Number
CN202411358988.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2023-10-03
Filing Date
2024-09-27
Publication Date
2025-04-04

AI Technical Summary

Technical Problem

In an X-ray generation device, the discharge between the cathode electrode and the regulating electrode causes the amount of electron release to be uncontrollable, which may lead to excessive incident and damage to the target.

Method used

By introducing a discharge detection unit and a deflection switching unit into the X-ray generation device, the discharge between the cathode electrode and the adjustment electrode is detected, and the electron focus position in the target is shifted by switching the deflection state of the electrons, thereby controlling the orbit of the electrons and avoiding excessive electron incident.

Benefits of technology

Even in the case where discharge occurs between the cathode electrode and the regulating electrode, excessive electrons can be avoided to incident the target, protect the target from damage, and ensure proper X-ray generation.

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Abstract

An X-ray generating device (1) is provided with: a cathode electrode (5) that releases electrons (E); an adjustment electrode (7) that adjusts the amount of electron emission from the cathode electrode (5); a control electrode (8) that controls the orbital of electrons (E) from the cathode electrode (5); a target (9) that generates X-rays (R) in response to the incidence of electrons (E); a discharge detection unit (21) that detects discharge between the cathode electrode (5) and the adjustment electrode (7); and a deflection switching unit (22) that switches the deflection state of the electrons (E) directed to the target (9) such that the focal position of the electrons (E) in the target (9) during the discharge detection is shifted from the focal position of the electrons (E) in the target (9) during the normal operation.
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