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    • 10. 发明授权
    • Electron gun having short length and cathode-ray tube apparatus using such electron gun
    • 具有短长度的电子枪和使用这种电子枪的阴极射线管装置
    • US06828717B2
    • 2004-12-07
    • US10277433
    • 2002-10-22
    • Yoji YamamotoSatoru NakagawaMika Yamagishi
    • Yoji YamamotoSatoru NakagawaMika Yamagishi
    • H01J2948
    • H01J1/20H01J29/04
    • The present invention provides an electron gun which includes an electrically non-conductive substrate through which a perforation is provided. The electron gun is characterized in that a cathode-structure supporting member is welded to power-feeding members that are bonded to a stem side of the electrically non-conductive substrate, the cathode-structure supporting member supplying power to a heater included in a cathode structure. Structured as such, it becomes possible to reduce the size of the electron gun in the tube-axis direction, since an additional member for supporting the heater becomes unnecessary. In addition, the cathode-structure supporting member makes the electrically non-conductive substrate to work as a wiring board for supplying voltage to the cathode, thereby realizing a slim cathode-ray tube. Further, the above structure improves accuracy in the assembly process of the electron gun, thereby improving the yield factor.
    • 本发明提供一种电子枪,其包括非导电基底,通过该基底提供穿孔。 电子枪的特征在于,将阴极结构支撑构件焊接到与非导电基板的杆侧接合的供电构件,阴极结构支撑构件向包括在阴极中的加热器供电 结构体。 因此,由于不需要用于支撑加热器的附加构件,因此可以减小电子枪在管轴方向上的尺寸。 此外,阴极结构支撑构件使得非导电基板作为用于向阴极供电的布线板工作,从而实现了细长的阴极射线管。 此外,上述结构提高了电子枪的组装过程的精度,从而提高了屈服系数。