| 摘要 |
A method and a system for testing an electrical component in a non-contact manner at high speed with high reliability. The method includes the steps of positioning a primary particle beam onto the component, supplying an AC-signal to the electrode being positioned in front of the component and varying the frequency of the AC-signal, detecting secondary particles released at the component and penetrating the electrode to form a secondary particle signal, and evaluating the corresponding secondary particle signal.
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