| 摘要 |
According to an electron gun for a cathode ray tube of the present invention, in an electron gun for a cathode ray tube which performs correction of an electron beam by applying a correction magnetic field to an electrode of the electron gun, at least a part of an electrode in a region which is affected by the correction magnetic field comprises a bellows-like electrode. According to the arrangement, a high frequency correction magnetic field from outside the cathode ray tube penetrates into the electrode more so that a preferable electron beam correction effect can be attained without disturbing the magnetic field.
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