Potential corrector unit, apparatus, and method of using the potential corrector unit
TW202640688APending Publication Date: 2026-10-01ASML NETHERLANDS BV
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Patent Information
- Application Number
- TW114146125
- Authority / Receiving Office
- TW · TW
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2025-01-13
- Filing Date
- 2025-11-26
- Publication Date
- 2026-10-01
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Abstract
The present invention provides a potential corrector unit for use in a charged particle beam assessment apparatus for assessing a sample. The potential corrector unit comprises a potential corrector configured to influence an electric potential at a peripheral region of a surface of the sample. The potential corrector is disposed upbeam of the sample.
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