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    • 45. 发明申请
    • Photomultiplier tube
    • 光电倍增管
    • US20050087676A1
    • 2005-04-28
    • US10973336
    • 2004-10-27
    • Hideki ShimoiHiroyuki KyushimaAkira Atsumi
    • Hideki ShimoiHiroyuki KyushimaAkira Atsumi
    • H01J40/14H01J43/04H01J43/18H01J43/28
    • H01J43/28H01J43/04
    • A metal side tube (2), a glass faceplate (3), and a stem plate (4) constitute a hermetically sealed vessel (5) for a photomultiplier tube. An edge portion (20) is provided at on open end (A) of the side tube (2). The edge portion (2) is embedded in the faceplate (3) in such a manner as to strike on the faceplate (3). Accordingly, high hermeticity at a joint between the side tube (2) and the faceplate (3) is ensured. The edge portion (20) extends upright in an axial direction of the side tube (2), so that the edge portion (20) can be embedded as close to a side face (3c) of the faceplate (3) as possible. This structure increases an effective sensitive area of the faceplate (3) to nearly 100%, and decreases dead area as close to 0 as possible. As described above, the photomultiplier tube (1) according to the present invention has enlarged effective sensitive area of the side tube (3) and enhanced hermeticity of the joint between the faceplate (3) and the side tube (2).
    • 金属侧管(2),玻璃面板(3)和杆板(4)构成用于光电倍增管的气密密封容器(5)。 边缘部分(20)设置在侧管(2)的开口端(A)上。 边缘部分(2)以与面板(3)相撞的方式嵌入面板(3)中。 因此,确保侧管(2)和面板(3)之间的接合处的高密封性。 边缘部分(20)沿着侧管(2)的轴向竖直延伸,使得边缘部分(20)可以尽可能靠近面板(3)的侧面(3c)嵌入。 这种结构将面板(3)的有效敏感区域增加到近100%,并尽可能地将死区减少到接近0。 如上所述,根据本发明的光电倍增管(1)具有扩大的侧管(3)的有效敏感区域,并且增加了面板(3)和侧管(2)之间的接合的气密性。
    • 46. 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。
    • 47. 发明授权
    • Photomultiplier with magnetic shielding case
    • 带磁屏蔽的光电倍增管
    • US6114621A
    • 2000-09-05
    • US924651
    • 1997-09-05
    • Masumi TachinoHidehiro KumeSuenori KimuraTakashi Goto
    • Masumi TachinoHidehiro KumeSuenori KimuraTakashi Goto
    • H01J43/04H01J43/28H05K9/00
    • H01J43/04H01J43/28
    • The present invention relates to a magnetic shielding case comprising a structure for improving the uniformity in light receiving sensitivity of a phomultiplier while maintaining sufficient magnetic shielding function, and a light detecting apparatus including this magnetic shielding case. This apparatus comprises a photomultiplier and a magnetic shielding case accommodating the photomultiplier. In particular the magnetic shielding case comprises a housing having an opening for transmitting therethrough light to be detected which is directed to the photomultiplier; a lens element for guiding the light to be detected into an effective region on a photocathode; and a positioning structure for placing the photomultiplier at a desired position with respect to the lens element.
    • 本发明涉及一种磁屏蔽壳体,其包括用于在保持足够的磁屏蔽功能的同时提高光电倍增管的光接收灵敏度的均匀性的结构,以及包括该磁屏蔽壳体的光检测装置。 该装置包括光电倍增管和容纳光电倍增管的磁屏蔽壳。 特别地,磁屏蔽壳包括具有用于透射被检测光的开口的壳体,其被引导到光电倍增管; 用于将被检测光引导到光电阴极的有效区域中的透镜元件; 以及用于将光电倍增管放置在相对于透镜元件的期望位置的定位结构。
    • 50. 发明授权
    • Photomultiplier
    • 光电倍增管
    • US5561347A
    • 1996-10-01
    • US318291
    • 1994-10-05
    • Kimitsugu NakamuraHiroyuki HanaiTakeo HashimotoShinji SuzukiYasushi WataseMasumi Tachino
    • Kimitsugu NakamuraHiroyuki HanaiTakeo HashimotoShinji SuzukiYasushi WataseMasumi Tachino
    • H01J43/04H01J43/06H01J40/00H01J43/18H01J43/20
    • H01J43/04H01J43/06
    • There is provided a photomultiplier in which a transmittance of an incident light and a photosensitivity is high and a hysteresis characteristic is excellent. Therefore, in the present invention, a photocathode 16, dynodes 17a to 17c and an anode 18 are supported between insulating material substrates 12a and 12b provided in a glass bulb 11. A transparent conductive film 19 is formed on an inside wall surface of a light entrance portion 15. The transparent conductive film 19 electrically contacts with a pad 20 which is led through a terminal 14 to the outside. The same potential as the photocathode 12 is applied through the pad 20 to the transparent conductive film 19. The incident light directly impinges on the photocathode 16 through the glass bulb 11 and the transparent conductive film 19 at a place corresponding to the light entrance portion 15. As a result, the incident light reaches the photocathode 12 with not being interfered at all, and the transmittance of the incident light is improved. Since a predetermined potential is applied to the transparent conductive film 19, the change of the potential of the inside wall surface of the glass bulb 11 is performed at high speed, and the hysteresis becomes extremely small.
    • 提供了一种光电倍增管,其中入射光的透射率和光敏性高,滞后特性优异。 因此,在本发明中,将光电阴极16,倍增极数17a〜17c和负极18支撑在设置在玻璃泡11中的绝缘材料基板12a和12b之间。透明导电膜19形成在光的内壁面上 透明导电膜19与通过端子14引导到外部的焊盘20电接触。 与光电阴极12相同的电位通过焊盘20施加到透明导电膜19.入射光通过玻璃泡11和透明导电膜19在对应于光入射部分15的位置处直接照射在光电阴极16上 结果,入射光完全没有被干扰地到达光电阴极12,并且提高了入射光的透射率。 由于对透明导电膜19施加了规定的电位,所以高速地进行玻璃灯泡11的内壁面的电位变化,滞后变得非常小。