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    • 2. 发明授权
    • Photomultiplier tube
    • 光电倍增管
    • US06650049B1
    • 2003-11-18
    • US09701278
    • 2000-11-28
    • Hiroyuki KyushimaAkira AtsumiHideki ShimoiTomoyuki OkadaMasuo Ito
    • Hiroyuki KyushimaAkira AtsumiHideki ShimoiTomoyuki OkadaMasuo Ito
    • H01J4304
    • G01N23/046G01N23/06G01N2223/419H01J43/04H01J43/28
    • To reduce the size of a photomultiplier tube (1), a side tube (2) is fixedly secured by welding to a stem plate (4) while an inner surface (2c) of the lower portion (2a) of the side tube (2) is maintained to be in contact with an outer edge (4b) of the stem plate (4). As a result, there is no projection like a flange at the lower portion of the photomultiplier tube (1). Therefore, though it is difficult to perform resistance welding, the outside dimensions of the photomultiplier tube (1) can be decreased, and the side tubes (9) can densely abut to one another even if the photomultiplier tubes (2) are arranged when applied. Hence, high-density arrangement of photomultiplier tubes (1) are realized by assembling metallic stem plate (4) and the side tube (2) by, for example, laser welding.
    • 为了减小光电倍增管(1)的尺寸,侧管(2)通过焊接牢固地固定在杆板(4)上,而侧管(2)的下部(2a)的内表面(2c) )保持与杆板(4)的外边缘(4b)接触。 结果,在光电倍增管(1)的下部没有像凸缘那样的凸起。 因此,虽然难以进行电阻焊接,但是即使在施加光电倍增管(2)时,也可以减小光电倍增管(1)的外部尺寸,并且侧管(9)可以彼此紧密地邻接 。 因此,光电倍增管(1)的高密度配置通过例如激光焊接组装金属杆板(4)和侧管(2)来实现。
    • 3. 发明授权
    • Photomultiplier tube tightly arranged with substantially no space between adjacent tubes
    • 光电倍增管在相邻管之间基本上没有空间紧密地排列
    • US06472664B1
    • 2002-10-29
    • US09701540
    • 2000-11-30
    • Hiroyuki KyushimaAkira AtsumiHideki ShimoiTomoyuki OkadaMasuo Ito
    • Hiroyuki KyushimaAkira AtsumiHideki ShimoiTomoyuki OkadaMasuo Ito
    • G01T120
    • H01J43/04G01N23/046G01N23/06G01N2223/419H01J43/28
    • A photomultiplier tube unit including photomultiplier tubes densely assembled and thereby having an improved light sensing efficiency. The outer surfaces (2b) of metal side tubes (2) of photomultiplier tubes (1) are in facial contact with one another, and thereby a high-density arrangement of photomultiplier tubes (1) are achieved. The side tubes (2) can be electrically connected to one another, and therefore the side tubes (2) can be easily made equipotential. As a result, it is unnecessary to electrically connect the stem pin (10) to the side tube (2) of each photomultiplier tube (1), facilitating the assembling of the photomultiplier tube unit. When a required photomultiplier tube (1) in a device (e.g., a gamma camera) having thus-united multiple photomultiplier tubes is replaced with a new one, the troublesome work of replacing photomultiplier tubes one by one is obviated, simplifying the replacement work.
    • 一种光电倍增管单元,其包括密集组装的光电倍增管,从而具有改进的光感测效率。 光电倍增管(1)的金属侧管(2)的外表面(2b)彼此面接触,从而实现光电倍增管(1)的高密度布置。 侧管(2)可以彼此电连接,因此侧管(2)可以容易地形成等电位。 结果,不需要将杆销(10)电连接到每个光电倍增管(1)的侧管(2),便于组装光电倍增管单元。 当将具有如此组合的多个光电倍增管的装置(例如,γ照相机)中的所需光电倍增管(1)替换为新的时,消除了逐个更换光电倍增管的麻烦的工作,从而简化了更换工作。
    • 8. 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。
    • 9. 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。