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    • 8. 发明授权
    • 음극선관
    • KR100443919B1
    • 2004-08-09
    • KR1020027006489
    • 2001-08-10
    • 파나소닉 주식회사
    • 하타신이치로무라이류이치이와모토히로시나카테라시게오오자와데츠로
    • H01J29/02
    • H01J29/07H01J2229/0727H01J2229/0733
    • A cathode ray tube is provided, in which the flatness of a tension mask constituting a color-selection mechanism is maintained by a suitable stretching force, while with the tension mask, the influence of external magnetic fields, such as the terrestrial magnetism is suppressed, and the shifting of the electron beam is reduced. A tension mask made of a magnetostrictive material is used, the tension mask is stretched by a stretching force in a range maintaining the flatness of the tension mask, and the direction and strength of the stretching force are set such that vertical magnetic permeability of the tension mask increases, due to a magnetoelastic effect caused by the stretching force in the magnetostrictive material of the tension mask.
    • 提供了一种阴极射线管,其中构成选色机构的张力荫罩的平坦度通过合适的拉伸力来保持,同时利用张力荫罩,抑制了地磁等外部磁场的影响, 并且电子束的移动减少。 使用由磁致伸缩材料构成的张力荫罩,在维持张力荫罩的平坦度的范围内通过拉伸力来张紧张力荫罩,并且设定张力的方向和强度,使得张力的垂直磁导率 由于张力掩模的磁致伸缩材料中的拉伸力引起的磁弹性效应,掩模增加。 <图像>