SAMPLE PRE-CHARGING METHODS AND APPARATUSES FOR CHARGED PARTICLE BEAM INSPECTION

Disclosed herein is an apparatus comprising: a source of charged particles configured to emit a beam of charged particles along a primary beam axis of the apparatus; a condenser lens configured to cause the beam to concentrate around the primary beam axis; an aperture; a first multi-pole lens; a sec...

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Hauptverfasser: LIU, Xuedong, HU, Xuerang, JIANG, Youfei, REN, Weiming, CHEN, Zhongwei, XI, Qingpo
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creator LIU, Xuedong
HU, Xuerang
JIANG, Youfei
REN, Weiming
CHEN, Zhongwei
XI, Qingpo
description Disclosed herein is an apparatus comprising: a source of charged particles configured to emit a beam of charged particles along a primary beam axis of the apparatus; a condenser lens configured to cause the beam to concentrate around the primary beam axis; an aperture; a first multi-pole lens; a second multi-pole lens; wherein the first multi-pole lens is downstream with respect to the condenser lens and upstream with respect to the second multi-pole lens; wherein the second multi-pole lens is downstream with respect to the first multi-pole lens and upstream with respect to the aperture.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
title SAMPLE PRE-CHARGING METHODS AND APPARATUSES FOR CHARGED PARTICLE BEAM INSPECTION
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