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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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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