書誌事項
- タイトル別名
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- Analysis on Electron Beams of CRTs with Axi-asymmetric Electron Guns.
- CRT ヒ ジク タイショウ デンシジュウ ニ オケル デンシ ビーム ノ カ
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抄録
This paper introduces a newly developed electron beam simulator for CRTs with axi-asymmetric electron guns. Effects of space charge, thermal spread, and deflection defocusing were all taken into consideration in the development process.<BR>In this simulator, the electron beam is divided into Gaussian beamlets, with each having a main trajectory and paraxial trajectories around it. For calculating the electrostatic field in the main lens, the multipole field expansion method was used together with the surface charge method to reduce CPU time and to simplify data input for complicated electrodes.<BR>The simulator was used to investigate dynamic astigmatism correction using a quadrupole lens in the main lens, and the cancellation of an astigmatism using slits and square apertures in the beam-forming region. Calculations of the beam spot diameters closely matched the actual measurements (differences were 10% at most). This test confirmed the simulator's effectiveness in investigating and designing CRT axi-asymmetric electron guns.
収録刊行物
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- テレビジョン学会誌
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テレビジョン学会誌 47 (5), 675-683, 1993
一般社団法人 映像情報メディア学会
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詳細情報 詳細情報について
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- CRID
- 1390282680043821312
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- NII論文ID
- 110003672732
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- NII書誌ID
- AN00151466
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- ISSN
- 18849652
- 03866831
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- NDL書誌ID
- 3824303
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可