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Beam spot shift in a dynamic astigmatism correction type (DQ-DAF) electron gun

Authors
Journal
Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
0168-9002
Publisher
Elsevier
Publication Date
Volume
363
Identifiers
DOI: 10.1016/0168-9002(95)00329-0
Keywords
  • Section V. Crt And Image Tubes
Disciplines
  • Design

Abstract

Abstract This paper presents the results of an investigation to avoid the convergence error in color CRT guns operating with a dynamic focus correction. The dynamic spot shift as well as the spot coma can be avoided at the same time with a proper arrangement of the quadrupole and main lenses with an oblique incidence of the side beam. The design confirmation is also presented.

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