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    • 3. 发明专利
    • Photocathode plate and electron tube
    • 光电板和电子管
    • JP2006059575A
    • 2006-03-02
    • JP2004237661
    • 2004-08-17
    • Hamamatsu Photonics Kk浜松ホトニクス株式会社
    • MOCHIZUKI TOMOKOARAGAKI MINORUHIROHATA TORUMORI KUNIYOSHI
    • H01J1/34H01J40/06H01J43/08
    • H01J1/34H01J1/78H01J43/08H01J2231/50
    • PROBLEM TO BE SOLVED: To provide a photocathode plate capable of obtaining highly sensitive characteristics stably, and to provide an electron tube using such a photocathode plate. SOLUTION: In a photomultiplier tube 1, an insulating layer 63 is formed between a semiconductor electron-discharging layer 51 in the photocathode plate 23A and a first electrode 65 electrically connected to an electron emission section 59. The insulating layer 63 can perform heat cleaning to the photocathode plate 23A at a high temperature in a stage before an active layer 61 is formed at an exposed portion in the semiconductor electron-discharging layer 51 at the electron emission section 59, thus effectively cleaning the exposed portion in the semiconductor electron-discharging layer 51 at the electron emission section 59, stabilizing physical properties at the exposed portion, and hence stably obtaining the highly sensitive characteristics in the photocathode plate 23A and the photomultiplier tube 1 using the photocathode plate 23A. COPYRIGHT: (C)2006,JPO&NCIPI
    • 解决的问题:提供能够稳定地获得高灵敏度特性的光电阴极板,并提供使用这种光电阴极板的电子管。 解决方案:在光电倍增管1中,在光电阴极板23A中的半导体电子放电层51和与电子发射部分59电连接的第一电极65之间形成绝缘层63.绝缘层63可以执行 在电子发射部分59的半导体电子放电层51的暴露部分形成有源层61之前的阶段,在高温下对光电阴极板23A进行热清洗,从而有效地清洗半导体电子中的暴露部分 在电子发射部分59处的放电层51,暴露部分的物理性能稳定,因此使用光电阴极板23A稳定地获得光电阴极板23A和光电倍增管1中的高灵敏度特性。 版权所有(C)2006,JPO&NCIPI