MULTIPOLE ELEMENTS AND CHARGED PARTICLE MICROSCOPE SYSTEMS INCLUDING THE SAME
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United States of America
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Apr 3, 2025
app pub date -
Sep 29, 2023
filing date -
Sep 29, 2023
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Abstract
Multipole elements and charged particle microscope systems including the same. In an example, an apparatus can include plurality of electrodes including a first shape subset and a second shape subset. Each electrode of the first shape subset includes an electrode active surface with a shape that is different than that of each electrode of the second shape subset. In another example, an apparatus can include a plurality of electrodes including a first side subset and a second side subset. Each electrode includes an electrode extension extending along a first lateral direction or a second lateral direction. In another example, an apparatus can include an optical column with a plurality of multipole elements that are fully contained within a first angular envelope that subtends a first angle that is at most 50 degrees while the working distance is at most 10 mm.
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