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公开(公告)号：US11476104B2
公开(公告)日：2022-10-18
申请号：US17226827
申请日：2021-04-09
Applicant: Micromass UK Limited
Inventor： Martin Raymond Green , Jason Lee Wildgoose
Abstract: An ion detection system is disclosed that comprises one or more first devices 11 configured to produce secondary electrons in response to incident ions. The one or more first devices 11 comprise a first ion collection region and a second ion collection region and are configured to produce first secondary electrons in response to one or more ions incident at the first ion collection region and to produce second secondary electrons in response to one or more ions incident at the second ion collection region. The ion detection system also comprises a first output device 14 configured to output a first signal in response to first secondary electrons produced by the one or more first devices 11 and a second output device 15 configured to output a second signal in response to second secondary electrons produced by the one or more first devices 11.
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公开(公告)号：US20210327697A1
公开(公告)日：2021-10-21
申请号：US17226827
申请日：2021-04-09
Applicant: Micromass UK Limited
Inventor： Martin Raymond Green , Jason Lee Wildgoose
Abstract: An ion detection system is disclosed that comprises one or more first devices 11 configured to produce secondary electrons in response to incident ions. The one or more first devices 11 comprise a first ion collection region and a second ion collection region and are configured to produce first secondary electrons in response to one or more ions incident at the first ion collection region and to produce second secondary electrons in response to one or more ions incident at the second ion collection region. The ion detection system also comprises a first output device 14 configured to output a first signal in response to first secondary electrons produced by the one or more first devices 11 and a second output device 15 configured to output a second signal in response to second secondary electrons produced by the one or more first devices 11.
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公开(公告)号：US09960004B2
公开(公告)日：2018-05-01
申请号：US14433403
申请日：2012-10-12
Applicant: Photonis France
Inventor： Gert Nützel , Pascal Lavoute
Abstract: The invention relates to a semi-transparent photocathode (1) for a photon detector having an increased absorption rate for a preserved transport rate. According to the invention, the photocathode (1) includes a transmission diffraction grating (30) able to diffract said photons and provided in the support layer (10) on which the photoemissive layer (20) is deposited.
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公开(公告)号：US5093566A
公开(公告)日：1992-03-03
申请号：US548346
申请日：1990-06-29
Applicant: Gerardus Van Aller
Inventor： Gerardus Van Aller
CPC classification number: H01J31/501 , H01J43/02
Abstract: Via the shape of the photocathode surface and the geometry and potential distribution of electrodes of the electron-optical system, an X-ray image intensifier tube is optimized for reduction of the transit time variance for photoelectrons from the photocathode surface to a photoelectron detector. The photoelectron detector, on which an image need not be formed in this case, has, for example, a comparatively small entrance surface and is arranged in or near a cross-over of the photoelectrons.
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35.发明授权
公开(公告)号：US4593229A
公开(公告)日：1986-06-03
申请号：US611873
申请日：1984-05-18
Applicant: Arthur F. McDonie , Donald B. Kaiser
Inventor： Arthur F. McDonie , Donald B. Kaiser
CPC classification number: H01J43/06
Abstract: A photomultiplier tube comprises an evacuated envelope having a photoemissive cathode, a shield cup spaced from the cathode and an electron multiplier cage assembly abutting the shield cup. The cage assembly includes a pair of transversely spaced insulating support plates having oppositely disposed surfaces. A plurality of dynodes and an anode are disposed between the support plates. A plurality of oppositely disposed locating slots are formed in the shield cup. At least one tab slot is formed through the oppositely disposed surfaces of each of the support plates. A plurality of connecting tab members are provided for connecting the cage assembly to the shield cup. Each tab member includes a slot engaging portion, a locking portion, a locating portion and an attachment portion. The slot engaging portion is disposed within the tab slot of the support plate. The locking portion extends from one end of the slot engaging portion for securely engaging one surface of the plate. A locating portion extends from the other end of the slot engaging portion along the other oppositely disposed surface of the plate and through one of the locating slots formed in the shield cup. The attachment portion of the tab member is fixedly attached to the shield cup.
Abstract translation: 光电倍增管包括具有光发射阴极的抽空外壳，与阴极间隔开的屏蔽杯和邻接屏蔽杯的电子倍增器保持架组件。 保持架组件包括一对具有相对设置表面的横向隔开的绝缘支撑板。 多个倍增极和阳极设置在支撑板之间。 在屏蔽杯中形成有多个相对设置的定位槽。 通过每个支撑板的相对设置的表面形成至少一个突片槽。 提供多个连接突片构件用于将保持架组件连接到屏蔽杯。 每个翼片构件包括槽接合部分，锁定部分，定位部分和附接部分。 槽接合部分设置在支撑板的突片槽内。 锁定部分从槽接合部分的一端延伸，以牢固地接合板的一个表面。 定位部分从狭缝接合部分的另一端沿着板的另一个相对设置的表面延伸并且穿过形成在屏蔽杯中的一个定位槽。 突片构件的附接部分固定地附接到屏蔽杯。
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Patent Agency Ranking36.发明授权
公开(公告)号：US4333031A
公开(公告)日：1982-06-01
申请号：US240419
申请日：1981-03-04
Applicant: Gilbert N. Butterwick
Inventor： Gilbert N. Butterwick
Abstract: A photoelectric tube, preferably a photomultiplier tube comprises a photoemissive cathode deposited on the inner faceplate of the tube envelope and a dynode assembly mounted within the envelope. The tube includes a generator containing an alkali metal source for deposition of alkali metal onto the cathode surface. The generator has means for directing the alkali metal vapors substantially toward the cathode surface and for preventing the alkali metal vapors from substantially depositing on the dynode assembly.
Abstract translation: 光电管，优选光电倍增管包括沉积在管外壳的内面板上的光发射阴极和安装在封套内的倍增极组件。 该管包括含有用于将碱金属沉积到阴极表面上的碱金属源的发生器。 发生器具有用于将碱金属蒸汽基本上引向阴极表面并用于防止碱金属蒸气基本上沉积在倍增极组件上的装置。
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公开(公告)号：US4101771A
公开(公告)日：1978-07-18
申请号：US710302
申请日：1976-07-30
Applicant: Wolfgang O. Hofer , Jurgen Kirschner
Inventor： Wolfgang O. Hofer , Jurgen Kirschner
CPC classification number: H01J49/025 , H01J43/02
Abstract: The ion-electron converter is primarily intended for the measurement of small positive ion currents. The essential feature of the converter is its curved conversion electrode which generates an electrostatic field with favorable ion-optical properties; in addition, it avoids high field strength at the conversion electrode, thus reducing spurious field electron emission. Both properties result in an ion detector of high efficiency and sensitivity for positive ions.
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公开(公告)号：US4029984A
公开(公告)日：1977-06-14
申请号：US636096
申请日：1975-11-28
Applicant: John Guiry Endriz
Inventor： John Guiry Endriz
IPC: H01J43/02 , H01J29/04 , H01J29/46 , H01J29/52 , H01J31/12 , H01J40/16 , H01J43/18 , H01J39/06 , H01J31/48 , H01J43/10
CPC classification number: H01J43/18 , H01J31/125 , H01J40/16
Abstract: A cathodoluminescent image display device utilizes a cold cathode as the source of electrons. The cold cathode comprises a photocathode, an electron multiplier and a fluorescent anode. The structure of the cathode is such that a portion of the light given off by the fluorescent anode is free to feedback and impinge upon the photocathode. The cold cathode disclosed herein is thus a closed loop device having a loop gain G. The electron multiplier has a gain G.sub.m such that the loop gain G of the device is maintained at a value greater than or equal to one thus causing a sustained electron discharge.
Abstract translation: 阴极发光图像显示装置利用冷阴极作为电子源。 冷阴极包括光电阴极，电子倍增器和荧光阳极。 阴极的结构使得由荧光阳极发出的光的一部分自由地反馈并照射在光电阴极上。 因此，本文公开的冷阴极是具有环路增益G的闭环装置。电子倍增器具有增益Gm，使得器件的环路增益G保持在大于或等于1的值，从而导致持续的电子放电 。
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公开(公告)号：US3941998A
公开(公告)日：1976-03-02
申请号：US446051
申请日：1974-02-26
Applicant: Henry Merkelo
Inventor： Henry Merkelo
CPC classification number: G01S7/4816 , H01J43/02
Abstract: An electronic sampling head comprising a housing having a path for impinging radiation, a photoemissive element positioned across said path, photoelectron ejection means positioned in proximity to said photoemissive element, means for applying ultrashort sampling potential differences between said photoemissive element and said photoelectron ejection means for accelerating photoelectrons emitted by said photoemissive element in response to said incident radiation, and means for detecting said photoelectrons all resulting in the capability of detecting high-speed radiation phenomena with waveform fidelity.
Abstract translation: 一种电子采样头，包括具有用于照射辐射的路径的壳体，位于所述路径上的光发射元件，位于所述发光元件附近的光电子喷射装置，用于在所述光发射元件和所述光电子喷射装置之间施加超短采样电位差的装置， 响应于所述入射辐射而由所述光发射元件发射的加速光电子以及用于检测所述光电子的装置全部导致以波形保真度检测高速辐射现象的能力。
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公开(公告)号：US3693005A
公开(公告)日：1972-09-19
申请号：US3693005D
申请日：1971-02-16
Applicant: PHILIPS CORP
Inventor： CLEMENT GERARD
CPC classification number: H01J43/246 , H01J31/506
Abstract: A secondary emissive electrode for image intensifiers, cathoderay tubes and the like which comprises a plate of insulating material having two substantially parallel boundary surfaces on opposite sides thereof pierced by channels, the walls of which are secondary emissive, forming a high-density network of channels between two surfaces. The periphery of this plate has at least two regions one opposite the other relative to the center of the body with channels which are filled with a core material. In the manufacture of such an electrode, all channels are initially filled with a material which can be etched away by an acid. Those channels in the regions of the periphery are covered with a coating which is etch resistant, and the core material in the remaining channels etched away after which the coating is removed.
Abstract translation: 用于图像增强器，阴极射线管等的二次发射电极，其包括绝缘材料板，该绝缘材料板在其相对侧上具有两个基本平行的边界表面，其通道被穿透，其壁是二次发射的，形成高密度网络 的两个表面之间的通道。 该板的周边具有相对于主体的中心相对的至少两个区域，其中填充有芯材料的通道。
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