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    • 3. 发明授权
    • Photomultiplier tube and radiation detecting device
    • 光电倍增管和放射线检测装置
    • US07906754B2
    • 2011-03-15
    • US12225412
    • 2007-03-07
    • Hideki ShimoiKazuhiro HaraHiroyuki Kyushima
    • Hideki ShimoiKazuhiro HaraHiroyuki Kyushima
    • H01J40/14H01J31/50
    • H01J43/20
    • A vacuum vessel (18) is configured by hermetically joining a faceplate (13) with one end of a side tube (15) and hermetically joining a stem (50) with another end via a ring-shaped side tube (37). Within the vacuum vessel (18), a focus electrode (17), dynodes (Dy1-Dy9), an anode (25), and a dynode (Dy10) are arranged from the side of a photocathode (14) provided to the faceplate (13). The dynode (Dy10) is supported on spacers (33) and a positioning protrusion (31) provided on the stem (50). The anode (25) is placed on support members (21). The focus electrode (17), the dynodes (Dy1-Dy9), and the anode (25) are stacked with inter-layer members (23) interposed therebetween, the inter-layer members (23) being located coaxially with the support members (21), to ensure high anti-vibration performance. Because the anode (25) and the dynode (Dy10) have no insulating body therebetween, light emission is suppressed and noises can be reduced.
    • 真空容器(18)通过将面板(13)与侧管(15)的一端气密接合并通过环形侧管(37)与另一端气密地连接在一起的杆(50)构成。 在真空容器(18)内,从设置在面板(18)的光电阴极(14)的一侧配置聚焦电极(17),倍增极(Dy1-Dy9),阳极(25)和倍增极(Dy10) 13)。 倍增极(Dy10)被支撑在间隔件(33)和设置在杆(50)上的定位突起(31)上。 阳极(25)放置在支撑构件(21)上。 聚焦电极(17),倍增电极(Dy1-Dy9)和阳极(25)被层叠,层间部件(23)插入其间,层间部件(23)与支撑部件 21),以确保高抗振性能。 由于阳极(25)和倍增极(Dy10)之间没有绝缘体,所以抑制了发光,并且可以降低噪声。
    • 4. 发明授权
    • Photomultiplier
    • 光电倍增管
    • US07602122B2
    • 2009-10-13
    • US10586498
    • 2005-02-16
    • Hiroyuki KyushimaHideki ShimoiAkihiro KageyamaKeisuke InoueMasuo Ito
    • Hiroyuki KyushimaHideki ShimoiAkihiro KageyamaKeisuke InoueMasuo Ito
    • H01J43/04
    • H01J43/08H01J9/26H01J43/04H01J43/24
    • The present invention relates to a photomultiplier of a fine structure that realizes a high multiplier efficiency. The photomultiplier comprises an outer casing whose interior is maintained at vacuum, and, in the outer case, a photocathode that emits photoelectrons in response to incident light, an electron multiplier section that performs cascade multiplication of the photoelectrons emitted from the photocathode, and an anode for taking out secondary electrons, which are generated at the electron multiplier section, are arranged. In particular, groove portions for performing cascade multiplication of electrons from the photocathode are provided in the electron multiplier section, and on the respective surfaces of each pair of wall portions that define the groove portions are provided with one or more protrusions each having a secondary electron emitting surface formed on the surface thereof.
    • 本发明涉及实现高乘法器效率的精细结构的光电倍增管。 光电倍增管包括内壳保持真空的外壳,在外壳中,响应于入射光发射光电子的光电阴极,执行从光电阴极发射的光电子的级联倍增的电子倍增器部分和阳极 用于取出在电子倍增器部分产生的二次电子。 具体而言,在电子倍增部中设置用于进行电子从光电阴极的级联倍增的槽部,在形成有槽部的各对壁部的各表面设置有一个以上的具有二次电子 在其表面上形成的发光表面。
    • 7. 发明申请
    • Photomultiplier
    • 光电倍增管
    • US20090218944A1
    • 2009-09-03
    • US11921934
    • 2006-06-01
    • Hiroyuki KyushimaHideki ShimoiHiroyuki SugiyamaHitosha KishitaSuenori KimuraYuji MasudaTakayuki Ohmura
    • Hiroyuki KyushimaHideki ShimoiHiroyuki SugiyamaHitosha KishitaSuenori KimuraYuji MasudaTakayuki Ohmura
    • H01J43/04
    • H01J43/06
    • The present invention relates to a photomultiplier having a fine configuration capable of realizing stable detection accuracy. The photomultiplier has a housing whose inside is maintained vacuum, and a photocathode, an electron-multiplier section, and an anode are disposed in the housing. In particular, one or more control electrodes disposed in an internal space of the housing which surrounds the electron-multiplier section and the anode are electrically connected via one or more connection parts extending from an electron emission terminal of the electron-multiplier section. In this configuration, due to a voltage, instead of the applying between an electron entrance terminal and the electron emission terminal of the electron-multiplier section, being applied between the electron entrance terminal and the control electrodes, an electric potential gradient which is increased gradually from the photocathode side toward the anode side is formed in the electron-multiplier section, and a sufficient electric potential difference is provided between the electron emission terminal of the electron-multiplier section and the anode, which makes it possible to obtain stable detection accuracy.
    • 本发明涉及具有能够实现稳定的检测精度的精细结构的光电倍增管。 光电倍增管具有内部保持真空的壳体,并且光电阴极,电子倍增器部分和阳极设置在壳体中。 特别地,设置在外壳的内部空间中的一个或多个控制电极,其围绕电子倍增器部分和阳极通过从电子倍增器部分的电子发射端延伸的一个或多个连接部分电连接。 在该结构中,由于电压而不是在电子入射端子和电子倍增器部分的电子发射端子之间施加,而被施加在电子入射端子和控制电极之间,逐渐增加的电位梯度 在电子倍增部形成从光电阴极侧朝向阳极侧,在电子倍增部的电子发射端与阳极之间设置充分的电位差,能够得到稳定的检测精度。
    • 9. 发明申请
    • Photomultiplier Tube and Radiation Detecting Device
    • 光电倍增管和辐射检测装置
    • US20090009077A1
    • 2009-01-08
    • US12224379
    • 2007-02-27
    • Hideki ShimoiHiroyuki Kyushima
    • Hideki ShimoiHiroyuki Kyushima
    • H01J43/18
    • H01J43/22H01J43/28
    • A vacuum vessel is configured by hermetically joining a faceplate (13) to one end of a side tube (15) and a stem (29) to the other end via a tubular member (31). A photocathode (14), a focusing electrode (17), dynodes (Dy1-Dy12), a drawing electrode (19), and anodes (25) are arranged within the vacuum vessel. The tubular member (31) is disposed on the periphery of the stem (29), and supporting pins (21) and lead pins (47) penetrate and are fixed to an extending section (32) that protrudes from the tubular member (31). The supporting pins (21) and the lead pins (47) are arranged in cutout portions (49, 24) of the dynodes (Dy1-Dy12) and the drawing electrode (19), thereby allowing effective areas of each electrode to be enlarged. Further, protuberant sections (33) are formed on the connecting sections of each pin with the stem (29), thereby facilitating thickness control of the stem.
    • 通过管状构件(31)将面板(13)与侧管(15)的一端和杆(29)气密地接合到另一端构成真空容器。 在真空容器内设置光电阴极(14),聚焦电极(17),倍增极(Dy1-Dy12),牵伸电极(19)和阳极(25)。 管状构件(31)设置在杆(29)的周边上,并且支撑销(21)和引导销(47)穿过并固定到从管状构件(31)突出的延伸部分(32) 。 支撑销(21)和引脚(47)布置在倍增电极(Dy1-Dy12)和引出电极(19)的切口部分(49,24)中,从而允许每个电极的有效面积增大。 此外,在每个销的连接部分上形成有突出部分(33)和杆(29),从而有助于杆的厚度控制。
    • 10. 发明申请
    • Photomultiplier
    • 光电倍增管
    • US20080018246A1
    • 2008-01-24
    • US10586498
    • 2005-02-16
    • Hiroyuki KyushimaHideki ShimoiAkihiro KageyamaKeisuke InoueMasuo Ito
    • Hiroyuki KyushimaHideki ShimoiAkihiro KageyamaKeisuke InoueMasuo Ito
    • H01J43/04
    • H01J43/08H01J9/26H01J43/04H01J43/24
    • The present invention relates to a photomultiplier of a fine structure that realizes a high multiplier efficiency. The photomultiplier comprises an outer casing whose interior is maintained at vacuum, and, in the outer case, a photocathode that emits photoelectrons in response to incident light, an electron multiplier section that performs cascade multiplication of the photoelectrons emitted from the photocathode, and an anode for taking out secondary electrons, which are generated at the electron multiplier section, are arranged. In particular, groove portions for performing cascade multiplication of electrons from the photocathode are provided in the electron multiplier section, and on the respective surfaces of each pair of wall portions that define the groove portions are provided with one or more protrusions each having a secondary electron emitting surface formed on the surface thereof.
    • 本发明涉及实现高乘法器效率的精细结构的光电倍增管。 光电倍增管包括内壳保持真空的外壳,在外壳中,响应于入射光发射光电子的光电阴极,执行从光电阴极发射的光电子的级联倍增的电子倍增器部分和阳极 用于取出在电子倍增器部分产生的二次电子。 具体而言,在电子倍增部中设置用于进行电子从光电阴极的级联倍增的槽部,在形成有槽部的各对壁部的各表面设置有一个以上的具有二次电子 在其表面上形成的发光表面。