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发明授权
CN101558469B 用于对离子束进行磁性扫描和校正的系统 有权

用于对离子束进行磁性扫描和校正的系统
摘要：
一种磁性扫描器，采用恒定的磁场来减轻零磁场效应。该扫描器包含上极器件以及下极器件，用于在离子束的路径上产生振荡时变磁场并且在扫描方向上偏转该离子束。一组入口磁铁被设置在该扫描器的入口附近并且在该离子束的路径上产生恒定的入口磁场。一组出口磁铁被设置在该扫描器的出口附近并且在该离子束的路径上产生恒定的出口磁场。
摘要（英）：

A magnetic scanner employs constant magnetic fields to mitigate zero field effects. The scanner includes an upper pole piece and a lower pole piece that generate an oscillatory time varying magnetic field across a path of an ion beam and deflect the ion beam in a scan direction. A set of entrance magnets are positioned about an entrance of the scanner and generate a constant entrance magnetic field across the path of the ion beam. A set of exit magnets are positioned about an exit of the scanner and generate a constant exit magnetic field across the path of the ion beam.

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