Methods for determining the virtual source location of a liquid metal ion source

Methods for determining the virtual source location of a liquid metal ion source

METHODS FOR DETERMINING THE VIRTUAL SOURCE LOCATION OF A LIQUID METAL ION SOURCE Variations in charged-particle-beam (CPB) source location are determined by scanning an alignment aperture that is fixed with respect to a beam defining aperture in a CPB, particularly at edges of a defocused CPB illumi...

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Hauptverfasser: MAAZOUZ, Mostafa, MCGINN, James B, KELLOGG, Sean M
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Sprache:eng
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ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
PLASMA TECHNIQUE
PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS
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creator MAAZOUZ, Mostafa
MCGINN, James B
KELLOGG, Sean M
description METHODS FOR DETERMINING THE VIRTUAL SOURCE LOCATION OF A LIQUID METAL ION SOURCE Variations in charged-particle-beam (CPB) source location are determined by scanning an alignment aperture that is fixed with respect to a beam defining aperture in a CPB, particularly at edges of a defocused CPB illumination disk. The alignment aperture is operable to transmit a CPB portion to a secondary emission surface that produces secondary emission directed to a scintillator element. Scintillation light produced in response is directed out of a vacuum enclosure associated with the CPB via a light guide to an external photodetection system. .120 152 110 140 lk Q 7, -E STAGE 114 '-- -- -- - -- L PMT 154 DETECT. 112 /-125 140 122 130 13FIG. 1B
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subjects ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
PLASMA TECHNIQUE
PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS
PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMICBEAMS
title Methods for determining the virtual source location of a liquid metal ion source
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