The multitarget X-ray tube has special advantage for the X-ray fluorescence analysis of complex sample. The current paper reports on a four-target transmission X-ray tube based on the electron deflection in an electric field. It consists of four 90° sector targets, which are Cr, Ni, Au, Mo. The electron trajectory is selectively bent by the deflection field to bombard the desired target. The emission spectrum was detected by the silicon drift detector (SDD) at 1.1 W (−22 kV, 50 μA). The results showed the characteristic X-rays of the corresponding target produced clearly, especially for the Cr or Au target with a high intensity. The focal spot size was tested using the pinhole camera method. The results showed the electrons were bent effectively, the corrected area of real focal spot was between about 4 mm² to 9 mm². This multitarget X-ray tube will provide the selective X-ray spectrum of the application for the sample analysis.

多靶点X射线管对于复杂样品的X射线荧光分析具有特殊的优势。目前的论文报道了基于电场中电子偏转的四目标透射 X 射线管。它由四个 90° 扇形目标组成，它们是 Cr、Ni、Au、Mo。电子轨迹被偏转场选择性地弯曲以轰击所需的目标。发射光谱由硅漂移检测器 (SDD) 在 1.1 W (-22 kV, 50 μA) 下检测。结果表明，相应靶材产生的特征X射线清晰，尤其是高强度的Cr或Au靶材。使用针孔相机方法测试焦斑尺寸。结果表明电子有效弯曲，实际焦斑校正面积在4 mm ^2左右到 9 毫米²。这种多目标 X 射线管将为样品分析提供应用的选择性 X 射线光谱。