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    • 3. 发明申请
    • Electron gun assembly for cathode ray tube
    • 阴极射线管用电子枪组件
    • US20020195944A1
    • 2002-12-26
    • US10120549
    • 2002-04-12
    • Fumiaki Murakami
    • H01J023/34
    • H01J29/48H01J2229/70
    • An electron gun assembly for a CRT includes three cathode electrodes, a control electrode, an electron-stream extractor electrode, a focusing electrode, and an anode electrode. The electron-stream extractor electrode includes first, second, and third holes, each of which allows one of the three streams of the electrons to pass through. The focusing electrode includes a flat portion having fourth, fifth, and sixth holes, each of which allows one of the three streams of the electrons to pass through. The first, second, and third holes are arranged in the in-line direction. Each of the fourth and sixth holes includes a substantially rectangular opening and a substantially semicircular opening connected to each other. One side of the substantially rectangular opening is connected to a straight line segment of the substantially semicircular opening, and the substantially rectangular opening is disposed outside while the substantially semicircular opening is disposed inside.
    • 用于CRT的电子枪组件包括三个阴极电极,控制电极,电子流提取器电极,聚焦电极和阳极电极。 电子流提取器电极包括第一,第二和第三孔,每个孔允许电子的三股流中的一条通过。 聚焦电极包括具有第四,第五和第六孔的平坦部分,每个孔允许三股电子流之一通过。 第一,第二和第三孔沿排列方向布置。 第四孔和第六孔中的每一个包括基本上矩形的开口和彼此连接的基本上半圆形的开口。 基本上矩形的开口的一侧连接到大致半圆形开口的直线段,并且基本上矩形的开口设置在外侧,而大致半圆形的开口设置在内部。