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The eddy current induced in an inner magnetic shield (IMS) and an electron gun affect the flux distribution of a cathode ray tube, causing a possible degrade of picture quality. In this paper, the effect of the distance between an IMS and a deflection coil on the eddy-current distribution is examined. The eddy current induced in the electron gun, when the coils for velocity modulation (VM) are set near the electron gun, is also analyzed. It is found that the variation of flux distribution is mainly affected by the shape of VM coil.
Digital Object Identifier: 10.1109/TMAG.2002.803571
Published with permission from the copyright holder. This is the institute's copy, as published in Magnetics, IEEE Transactions on, Sept. 2002, Volume 38, Issue 5, Part 1, Pages 2352-2354.
Copyright © 2002 IEEE. All rights reserved.