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    • 33. 发明授权
    • Color cathode-ray tube
    • 彩色阴极射线管
    • US5610473A
    • 1997-03-11
    • US480295
    • 1995-06-07
    • Masahiro YokotaTadahiro KojimaShuuji Makimoto
    • Masahiro YokotaTadahiro KojimaShuuji Makimoto
    • H01J29/07H01J29/80
    • H01J29/073H01J2229/0716H01J2229/0722
    • A color cathode-ray tube comprises a mask unit arranged between a face panel and an electron gun. The mask unit comprises a shadow mask and a mask frame supporting the shadow mask with being applied with tension. The shadow mask is formed of a substantially rectangular thin plate, arranged to face a phosphor screen formed on an inner surface of the face panel, and has a number of electron beam apertures through which electron beams emitted from the electron gun pass. The mask frame comprises a substantially rectangular frame body which has a pair of first sidewalls facing each other and a pair of second sidewalls facing each other, and a pair of mask fixing sections secured to a pair of opposite side edge portions of the shadow mask and extending along the side edge portions. The pair of mask fixing sections extend substantially in parallel with the first sidewalls, respectively and have connecting sections each of which connects a middle portion of the mask fixing section to a middle portion of the corresponding first sidewall.
    • 彩色阴极射线管包括布置在面板和电子枪之间的掩模单元。 掩模单元包括荫罩和在施加张力的同时支撑荫罩的荫罩框架。 荫罩由基本上矩形的薄板形成,其布置成面对形成在面板的内表面上的荧光屏,并且具有多个电子束孔,通过该电子束孔从电子枪发射的电子束通过。 荫罩框架包括大致矩形的框架体,其具有彼此面对的一对第一侧壁和彼此面对的一对第二侧壁,以及固定到荫罩的一对相对的侧边缘部分的一对面罩固定部, 沿着侧边缘部分延伸。 一对掩模固定部分分别与第一侧壁大致平行地延伸,并且具有连接部分,每个连接部分将掩模固定部分的中间部分连接到相应的第一侧​​壁的中间部分。