公开(公告)号：US5616987A

公开(公告)日：1997-04-01

申请号：US560122

申请日：1995-11-17

申请人： Takayuki Ohmura ,  Tomoyuki Okada ,  Hiroyuki Kyushima ,  Yousuke Oohashi

发明人： Takayuki Ohmura ,  Tomoyuki Okada ,  Hiroyuki Kyushima ,  Yousuke Oohashi

IPC分类号： H01J43/22 ,  H01J43/06 ,  H01J43/20

CPC分类号： H01J43/06

摘要： A mesh electrode 9 is provided over an incident opening 7a of the electron multiplication portion 6. In the electron multiplication portion 6, a dynode group Dy is located downstream of a first dynode Dy1 for multiplying electrons supplied from the first dynode Dy1. The dynode group Dy is provided in the vicinity of the curvature center of the first dynode Dy1. A plate electrode 10 and a mesh electrode 9 are supplied with a potential intermediate between the potentials applied to the first dynode Dy1 and applied to the dynode group Dy. Accordingly, the electric field formed due to the potential difference between the first dynode Dy1 and the dynode group Dy is surrounded by the intermediate potentials. The electric field is therefore uniformly distributed over the region from the vicinity of the first dynode Dy1 toward the dynode group Dy.

摘要翻译： 网电极9设置在电子倍增部6的入射开口7a的上方。在电子倍增部6中，倍增极组Dy位于第一倍增电极Dy1的下游，用于乘以从第一倍增电极Dy1提供的电子。 倍增极组Dy设置在第一倍增电极Dy1的曲率中心附近。 平板电极10和网状电极9在施加到第一倍增电极Dy1的电位和施加到倍增极组Dy之间的电位之间被提供。 因此，由于第一倍增电极Dy1和倍增极组Dy之间的电位差而形成的电场被中间电位包围。 因此，电场均匀分布在从第一倍增极Dy1的附近朝向倍增极组Dy的区域。

公开(公告)号：US20090045741A1

公开(公告)日：2009-02-19

申请号：US11921959

申请日：2006-06-01

申请人： Hiroyuki Kyushima ,  Hideki Shimoi ,  Hiroyuki Sugiyama ,  Hitoshi Kishita ,  Suenori Kimura ,  Yuji Masuda ,  Takayuki Ohmura

发明人： Hiroyuki Kyushima ,  Hideki Shimoi ,  Hiroyuki Sugiyama ,  Hitoshi Kishita ,  Suenori Kimura ,  Yuji Masuda ,  Takayuki Ohmura

IPC分类号： H01J43/04

CPC分类号： H01J43/24

摘要： The present invention relates to a photomultiplier having a fine structure capable of realizing high detection accuracy by effectively suppressing cross talk among electron-multiplier channels. The photomultiplier comprises a housing whose inside is maintained vacuum, and, in the housing, a photocathode, an electron-multiplier section, and anodes are disposed. The electron-multiplier section has groove portions for cascade-multiplying photoelectrons as electron-multiplier channels, and the anodes are constituted by channel electrodes corresponding to the groove portions respectively defined by wall parts. In particular, at least parts of the respective channel electrodes are located in spaces sandwiched between pairs of wall parts defining the corresponding groove portions.

摘要翻译： 本发明涉及具有能够通过有效地抑制电子倍增器通道之间的串扰来实现高检测精度的精细结构的光电倍增管。 光电倍增管包括其内部保持真空的壳体，并且在壳体中设置光电阴极，电子倍增器部分和阳极。 电子倍增器部分具有用于级联倍增光电子作为电子倍增器通道的槽部分，并且阳极由对应于分别由壁部分限定的槽部分的沟道电极构成。 特别地，各通道电极的至少一部分位于夹在形成相应凹槽部分的一对壁部分之间的空间中。

公开(公告)号：US20090224666A1

公开(公告)日：2009-09-10

申请号：US11921944

申请日：2006-06-01

申请人： Hiroyuki Kyushima ,  Hideki Shimoi ,  Hiroyuki Sugiyama ,  Hitoshi Kishita ,  Suenori Kimura ,  Yuji Masuda ,  Takayuki Ohmura

发明人： Hiroyuki Kyushima ,  Hideki Shimoi ,  Hiroyuki Sugiyama ,  Hitoshi Kishita ,  Suenori Kimura ,  Yuji Masuda ,  Takayuki Ohmura

IPC分类号： H01J43/18

CPC分类号： H01J43/18

摘要： The present invention relates to a photomultiplier having a fine structure capable of realizing high multiplication efficiency. The photomultiplier comprises a housing whose inside is maintained vacuum, and, on a device mounting surface which is a part of an inner wall surface defining an internal space of the housing, a photocathode serving as a reflection type photocathode, an electron-multiplier section, an anode, and a voltage distributing section are disposed integrally. In particular, the electron-multiplier section is constituted by dynodes at multiple stages cascade-multiplying photoelectrons from the photocathode, and the voltage distributing section, which applies corresponding voltages to the dynodes at the respective stages respectively, is on the same surface together with the electron-multiplier section.

摘要翻译： 本发明涉及具有能够实现高倍增效率的精细结构的光电倍增管。 光电倍增管包括其内部保持真空的壳体，并且在作为限定壳体的内部空间的内壁表面的一部分的装置安装表面上，用作反射型光电阴极的光电阴极，电子倍增器部分， 阳极和电压分配部一体地设置。 特别地，电子倍增器部分由多级级联倍增电倍增电极构成，光电阴极的级联倍增电极和分别对相应电平的倍增电极施加相应电压的电压分配部分与 电子倍增器部分。

公开(公告)号：US20090218944A1

公开(公告)日：2009-09-03

申请号：US11921934

申请日：2006-06-01

申请人： Hiroyuki Kyushima ,  Hideki Shimoi ,  Hiroyuki Sugiyama ,  Hitosha Kishita ,  Suenori Kimura ,  Yuji Masuda ,  Takayuki Ohmura

发明人： Hiroyuki Kyushima ,  Hideki Shimoi ,  Hiroyuki Sugiyama ,  Hitosha Kishita ,  Suenori Kimura ,  Yuji Masuda ,  Takayuki Ohmura

IPC分类号： H01J43/04

CPC分类号： H01J43/06

摘要： 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.

摘要翻译： 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。

公开(公告)号：US07928657B2

公开(公告)日：2011-04-19

申请号：US11921934

申请日：2006-06-01

申请人： Hiroyuki Kyushima ,  Hideki Shimoi ,  Hiroyuki Sugiyama ,  Hitoshi Kishita ,  Suenori Kimura ,  Yuji Masuda ,  Takayuki Ohmura

发明人： Hiroyuki Kyushima ,  Hideki Shimoi ,  Hiroyuki Sugiyama ,  Hitoshi Kishita ,  Suenori Kimura ,  Yuji Masuda ,  Takayuki Ohmura

IPC分类号： H01J40/00 ,  H01J40/16

CPC分类号： H01J43/06

摘要： 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.

摘要翻译： 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。

公开(公告)号：US08330364B2

公开(公告)日：2012-12-11

申请号：US12388961

申请日：2009-02-19

申请人： Takayuki Ohmura ,  Hiroyuki Kyushima ,  Hideki Shimoi ,  Tsuyoshi Kodama

发明人： Takayuki Ohmura ,  Hiroyuki Kyushima ,  Hideki Shimoi ,  Tsuyoshi Kodama

IPC分类号： H01J43/18

CPC分类号： H01J43/26 ,  H01J43/28

摘要： The present invention relates to a photomultiplier that realizes a significant improvement of response time characteristics by a structure enabling mass production. The photomultiplier comprises a sealed container, and, in the sealed container, a photocathode, an electron multiplier section, and an anode are respectively disposed. The electron multiplier section includes multiple stages of dynode units, and each of the multiple stages of dynode units is fixed with one end of the associated dynode pin while being electrically connected thereto. In particular, the dynode pin, whose one ends are fixed to the multiple stages of dynode units, are held within an effective region of the electron multiplier section contributing to secondary electron multiplication, when the electron multiplier section is viewed from the photocathode side. By this configuration, a focusing distance from the photocathode to a first stage dynode unit can be shortened effectively and the effective region of the electron multiplier section can be enlarged to effectively reduce variations in transit time of photoelectrons propagating from the photocathode to the first stage dynode unit.

摘要翻译： 本发明涉及光电倍增器，其通过能够批量生产的结构实现响应时间特性的显着改善。 光电倍增管包括密封容器，并且在密封容器中分别设置有光电阴极，电子倍增器部分和阳极。 电子倍增器部分包括多级倍增电极单元，并且多级倍增电极单元中的每一级在相关联的倍增极引脚的一端被电连接的同时被固定。 特别地，当从光电阴极侧观察电子倍增器部分时，其一端固定到倍增电极单元的多级的倍增极销被保持在有助于二次电子倍增的电子倍增器部分的有效区域内。 通过这种结构，可以有效地缩短从光电阴极到第一级倍增电极单元的聚焦距离，并且可以扩大电子倍增器部分的有效区域，从而有效地减少从光电阴极传播到第一级倍增电极的光电子的通过时间的变化 单元。

公开(公告)号：US07919921B2

公开(公告)日：2011-04-05

申请号：US11921944

申请日：2006-06-01

申请人： Hiroyuki Kyushima ,  Hideki Shimoi ,  Hiroyuki Sugiyama ,  Hitoshi Kishita ,  Suenori Kimura ,  Yuji Masuda ,  Takayuki Ohmura

发明人： Hiroyuki Kyushima ,  Hideki Shimoi ,  Hiroyuki Sugiyama ,  Hitoshi Kishita ,  Suenori Kimura ,  Yuji Masuda ,  Takayuki Ohmura

IPC分类号： H01J43/18

CPC分类号： H01J43/18

摘要： The present invention relates to a photomultiplier having a fine structure capable of realizing high multiplication efficiency. The photomultiplier comprises a housing whose inside is maintained vacuum, and, on a device mounting surface which is a part of an inner wall surface defining an internal space of the housing, a photocathode serving as a reflection type photocathode, an electron-multiplier section, an anode, and a voltage distributing section are disposed integrally. In particular, the electron-multiplier section is constituted by dynodes at multiple stages cascade-multiplying photoelectrons from the photocathode, and the voltage distributing section, which applies corresponding voltages to the dynodes at the respective stages respectively, is on the same surface together with the electron-multiplier section.

摘要翻译： 本发明涉及具有能够实现高倍增效率的精细结构的光电倍增管。 光电倍增管包括其内部保持真空的壳体，并且在作为限定壳体的内部空间的内壁表面的一部分的装置安装表面上，用作反射型光电阴极的光电阴极，电子倍增器部分， 阳极和电压分配部一体地设置。 特别地，电子倍增器部分由多级级联倍增电倍增电极构成，光电阴极的级联倍增电极和分别对相应电平的倍增电极施加相应电压的电压分配部分与 电子倍增器部分。

公开(公告)号：US07880385B2

公开(公告)日：2011-02-01

申请号：US11921959

申请日：2006-06-01

申请人： Hiroyuki Kyushima ,  Hideki Shimoi ,  Hiroyuki Sugiyama ,  Hitoshi Kishita ,  Suenori Kimura ,  Yuji Masuda ,  Takayuki Ohmura

发明人： Hiroyuki Kyushima ,  Hideki Shimoi ,  Hiroyuki Sugiyama ,  Hitoshi Kishita ,  Suenori Kimura ,  Yuji Masuda ,  Takayuki Ohmura

IPC分类号： H01J43/04 ,  H01J43/18 ,  H01J43/00

CPC分类号： H01J43/24

摘要： The present invention relates to a photomultiplier having a fine structure capable of realizing high detection accuracy by effectively suppressing cross talk among electron-multiplier channels. The photomultiplier comprises a housing whose inside is maintained vacuum, and, in the housing, a photocathode, an electron-multiplier section, and anodes are disposed. The electron-multiplier section has groove portions for cascade-multiplying photoelectrons as electron-multiplier channels, and the anodes are constituted by channel electrodes corresponding to the groove portions respectively defined by wall parts. In particular, at least parts of the respective channel electrodes are located in spaces sandwiched between pairs of wall parts defining the corresponding groove portions.

摘要翻译： 本发明涉及具有能够通过有效地抑制电子倍增器通道之间的串扰来实现高检测精度的精细结构的光电倍增管。 光电倍增管包括其内部保持真空的壳体，并且在壳体中设置光电阴极，电子倍增器部分和阳极。 电子倍增器部分具有用于级联倍增光电子作为电子倍增器通道的槽部分，并且阳极由对应于分别由壁部分限定的槽部分的沟道电极构成。 特别地，各通道电极的至少一部分位于夹在形成相应凹槽部分的一对壁部分之间的空间中。

公开(公告)号：US20090212699A1

公开(公告)日：2009-08-27

申请号：US12388961

申请日：2009-02-19

申请人： Takayuki Ohmura ,  Hiroyuki Kyushima ,  Hideki Shimoi ,  Tsuyoshi Kodama

发明人： Takayuki Ohmura ,  Hiroyuki Kyushima ,  Hideki Shimoi ,  Tsuyoshi Kodama

IPC分类号： H01J43/18

CPC分类号： H01J43/26 ,  H01J43/28

摘要： The present invention relates to a photomultiplier that realizes a significant improvement of response time characteristics by a structure enabling mass production. The photomultiplier comprises a sealed container, and, in the sealed container, a photocathode, an electron multiplier section, and an anode are respectively disposed. The electron multiplier section includes multiple stages of dynode units, and each of the multiple stages of dynode units is fixed with one end of the associated dynode pin while being electrically connected thereto. In particular, the dynode pin, whose one ends are fixed to the multiple stages of dynode units, are held within an effective region of the electron multiplier section contributing to secondary electron multiplication, when the electron multiplier section is viewed from the photocathode side. By this configuration, a focusing distance from the photocathode to a first stage dynode unit can be shortened effectively and the effective region of the electron multiplier section can be enlarged to effectively reduce variations in transit time of photoelectrons propagating from the photocathode to the first stage dynode unit.

摘要翻译： 本发明涉及光电倍增器，其通过能够批量生产的结构实现响应时间特性的显着改善。 光电倍增管包括密封容器，并且在密封容器中分别设置光电阴极，电子倍增器部分和阳极。 电子倍增器部分包括多级倍增电极单元，并且多级倍增电极单元中的每一级在相关联的倍增极引脚的一端被电连接的同时被固定。 特别地，当从光电阴极侧观察电子倍增器部分时，其一端固定到倍增电极单元的多级的倍增极引脚被保持在有助于二次电子倍增的电子倍增器部分的有效区域内。 通过这种结构，可以有效地缩短从光电阴极到第一级倍增电极单元的聚焦距离，并且可以扩大电子倍增器部分的有效区域，从而有效地减少从光电阴极传播到第一级倍增电极的光电子的通过时间的变化 单元。

公开(公告)号：US08013294B2

公开(公告)日：2011-09-06

申请号：US12607410

申请日：2009-10-28

申请人： Motohiro Suyama ,  Takayuki Ohmura ,  Hiroshi Kobayashi

发明人： Motohiro Suyama ,  Takayuki Ohmura ,  Hiroshi Kobayashi

IPC分类号： H01J49/40 ,  H01J43/00

CPC分类号： H01J43/246 ,  H01J43/22

摘要： This ion detector includes an MCP and a plurality of planar dynodes respectively having a plurality of slits. The plurality of planar dynodes are stacked via spacers parallel to an electron output plane of the MCP, and the first stage planar dynode is opposed parallel to the electron output plane. In accordance with this ion detector, it is possible to obtain output signals having the linearity reaching mV order, and to shorten its pulse width to approximately 600 ps.