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    • 4. 发明申请
    • A DETECTOR FOR RADIATION, PARTICULARLY HIGH ENERGY ELECTROMAGNETIC RADIATION
    • 用于辐射,特别高能量电磁辐射的探测器
    • WO2013184020A1
    • 2013-12-12
    • PCT/RU2012/000450
    • 2012-06-08
    • SIEMENS AKTIENGESELLSCHAFTASTAFIEVA, Irina MikhailovnaHEID, OliverHUGHES, Timothy
    • ASTAFIEVA, Irina MikhailovnaHEID, OliverHUGHES, Timothy
    • H01J47/02
    • G01T1/185G01T1/2006H01J47/02H01J47/024
    • The invention refers to a detector for radiation, particularly high energy electromagnetic radiation. The detector comprises a converting section including a cathode (3) for converting the radiation (P) incident on the converting section in electrons (E) by the photoelectric effect. The detector further includes a gas electron multiplier (4) for generating an electron avalanche from electrons (E) which are generated by the converting section and enter the gas electron multiplier (4), the gas electron multiplier (4) comprising a first electrode (5), a dielectric layer (6) and a second electrode (7), the first electrode (6) being disposed at a first side of the dielectric layer (6) adjacent to the converting section and the second electrode (7) being disposed at a second side of the dielectric layer (6) opposite to the first side. The gas electron multiplier (4) comprises a number of holes (9) filled with gas, said holes (9) extending through the first electrode (5), the dielectric layer (6) and the second electrode (7). Moreover, the detector includes a detector anode (8) adjacent to the second electrode (7) for detecting the electron avalanche. The detector according to the invention is characterized in that the detector anode (8) extends at each hole (9) of the gas electron multiplier (4) from the second electrode (7) over the hole (9) such that the hole (9) is covered at one side completely by the detector anode (8).
    • 本发明涉及用于辐射的检测器,特别是高能量电磁辐射。 检测器包括转换部分,其包括用于通过光电效应将入射在转换部分上的辐射(P)转换成电子(E)的阴极(3)。 检测器还包括用于从电子(E)产生电子雪崩的气体电子倍增器(4),其由转换部分产生并进入气体电子倍增器(4),气体电子倍增器(4)包括第一电极( 5),介电层(6)和第二电极(7),所述第一电极(6)设置在所述电介质层(6)的与所述转换部分相邻的第一侧并且所述第二电极(7)被布置 在与第一侧相对的电介质层(6)的第二侧。 气体电子倍增器(4)包括填充有气体的多个孔(9),所述孔(9)延伸穿过第一电极(5),电介质层(6)和第二电极(7)。 此外,检测器包括与用于检测电子雪崩的第二电极(7)相邻的检测器阳极(8)。 根据本发明的检测器的特征在于,检测器阳极(8)在气孔电子倍增器(4)的每个孔(9)处从第二电极(7)延伸穿过孔(9),使得孔(9) )被检测器阳极(8)完全覆盖在一侧。
    • 5. 发明申请
    • RADIATION DETECTOR
    • 辐射探测器
    • WO2013157975A1
    • 2013-10-24
    • PCT/RU2012/000301
    • 2012-04-18
    • SIEMENS AKTIENGESELLSCHAFTASTAFIEVA, Irina MikhailovnaHEID, OliverHUGHES, Timothy
    • ASTAFIEVA, Irina MikhailovnaHEID, OliverHUGHES, Timothy
    • H01J47/02
    • H01J47/02
    • A radiation detector (112) in which primary electrons (11) are released into a gas by ionizing radiation and drifted to a collection electrode by means of an electric field, the radiation detector (112) including a gas electron multiplier (101) comprising at least one field condensing area adapted to produce a local electric field amplitude enhancement proper to generate in the gas an electron avalanche from one of the primary electrons (11), the gas electron multiplier (101) operating thus as an amplifier of given gain for the primary electrons (11), the at least one field condensing area comprising a hole (105) arranged in an insulator (103) having a face with a metal cladding (104) facing a cathode (106) of the radiation detector (112), characterized in that the insulator (103) is directly arranged on at least one elementary anode (108) delimiting the hole (105) of the at least one field condensing area so that the at least one field condensing area is arranged as a blind hole (105) in the composite of the at least one elementary anode (108) and the insulator (103) having the metal cladding (104).
    • 一种辐射检测器(112),其中通过电离辐射将一次电子(11)释放到气体中并通过电场漂移到收集电极,所述辐射检测器(112)包括气体电子倍增器(101) 至少一个场致冷区域适于产生适当的局部电场振幅增强,以在气体中产生来自主电子(11)之一的电子雪崩,气体电子倍增器(101)作为用于 初级电子(11),所述至少一个场致冷区域包括布置在绝缘体(103)中的孔(105),所述绝缘体具有面与所述辐射探测器(112)的阴极(106)的金属包层(104) 其特征在于,所述绝缘体(103)被直接布置在限定所述至少一个场致冷区域的所述孔(105)的至少一个基本阳极(108)上,使得所述至少一个场致冷区域被布置为盲孔 105) 在至少一个基本阳极(108)和具有金属包层(104)的绝缘体(103)的复合材料中。