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    • 3. 发明授权
    • Television picture tube face plate
    • 电视显像管面板
    • US4029898A
    • 1977-06-14
    • US670046
    • 1976-03-24
    • Yilmaz C. BelentepeWendell S. Blanding
    • Yilmaz C. BelentepeWendell S. Blanding
    • H01J29/86H01J5/02H01J29/02
    • H01J29/861H01J2229/8613
    • A television picture tube face plate or viewing panel including a viewing area having a reduced thickness for weight reduction of the face plate or viewing panel and resultant savings in the quantity of glass required in the manufacture of such a face plate. A thickened annular area of the face plate, adjacent and surrounding the outer perimeter thereof, is preferably provided with a selected maximum thickness at or adjacent the ends of the minor axis of the face plate, a selected minimum thickness at or adjacent the diagonal axis of the face plate and an intermediate thickness at or adjacent the ends of the major axis of the face plate, the regions of the face plate at or adjacent such ends of said axes being the regions of the face plate having the greatest, least and intermediate stresses, respectively, when the face plate is part of an exhausted television picture tube.
    • 一种电视显像管面板或观察面板,包括具有减小的厚度的观察区域,用于面板或观察面板的重量减轻,从而节省制造这种面板所需的玻璃量。 面板的增厚的环形区域相邻并且围绕其外周边优选地设置在面板的短轴的端部处或邻近面板的短轴的端部处的选定的最大厚度, 所述面板和位于所述面板的长轴的端部处或邻近所述面板的所述长轴的端部处的中间厚度,所述轴的所述端面或邻近所述轴线的所述端部的区域是所述面板的具有最大,最小和中间应力的区域 当面板是耗尽的电视显像管的一部分时。