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    • 1. 发明授权
    • Color cathode-ray tube
    • 彩色阴极射线管
    • US4885503A
    • 1989-12-05
    • US272065
    • 1988-11-16
    • Eiki TakahashiMasahiro MiyazakiKiyoshi Nakamura
    • Eiki TakahashiMasahiro MiyazakiKiyoshi Nakamura
    • H01J29/48
    • H01J29/484H01J2229/882
    • A particle shielding element of a shape memory metal is installed between an electroconductive layer on the inner peripheral surface of a neck glass tube of a cathode-ray tube and a shield cup of an electron gun therein to close a gap between the neck glass tube and the shield cup for thereby guarding the electronic gun against invasion of particles, Before the particle shielding element is inserted into the neck glass tube, the element is deformed to reduce its outer diameter so that the element can be inserted into the neck glass tube without scratching the electroconductive layer. After the element has been installed in Position in the neck glass tube, the temperature therein is adjusted to cause the element to recovery to its initial shape into dust sealing engagement with the electroconductive layer.
    • 形状记忆金属的粒子屏蔽元件安装在阴极射线管的颈部玻璃管的内周面上的导电层和电子枪的屏蔽杯之间,以封闭颈部玻璃管与颈部玻璃管之间的间隙 屏蔽杯,从而防止电子枪侵入颗粒。在将颗粒屏蔽元件插入颈部玻璃管之前,元件变形以减小其外径,使得元件可以插入颈部玻璃管而不会刮伤 导电层。 在元件已经安装在颈部玻璃管中的位置之后,调节其中的温度以使元件恢复到其初始形状,使其与导电层成灰尘密封接合。