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公开(公告)号：EP3075001A4
公开(公告)日：2017-02-15
申请号：EP14866711
申请日：2014-11-24
发明人： BADIEI HAMID , BERES STEVEN A
CPC分类号： H01J43/18 , H01J49/0009 , H01J49/025
摘要： Certain embodiments described herein are directed to detectors and systems using them. In some examples, the detector can include a plurality of dynodes, in which one or more of the dynodes are coupled to an electrometer. In some instances, an analog signal from a non-saturated dynode is measured and cross-calibrated with a pulse count signal to extend the dynamic range of the detector.
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公开(公告)号：EP1282150A4
公开(公告)日：2007-02-28
申请号：EP00922981
申请日：2000-05-08
发明人： SHIMOI HIDEKI , KYUSHIMA HIROYUKI , ATSUMI AKIRA
摘要： A metal bypass (2), a glass light receiving plate (3) and stem plate (4) form a sealed container (5) for a photomultiplier tube. A piercing portion (20) provided at a one-end opening (A) of the bypass (2) is piercingly buried in the glass light receiving plate (3) to ensure a very high sealing performance at the joint between the bypass (2) and the light receiving plate (3). Since the piercing portion (20) provided on the bypass (2) extends steeply in the axial direction of the bypass (2), the piercing portion (20) can be buried as close as possible to a side surface (3c) of the light receiving plate (3), to thereby increase an effective utilization area of the plate (3) to nearly 100% and decrease a dead area of the plate (3) to as close as zero. Accordingly, the photomultiplier tube (1) can make compatible an increase in effective utilization area of the plate (3) with an ensured air-tightness between the plate (3) and the bypass (2).
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4.发明公开ALKALI METAL GENERATING AGENT, ALKALI METAL GENERATOR, PHOTOELECTRIC SURFACE, SECONDARY ELECTRON EMISSION SURFACE, ELECTRON TUBE, METHOD FOR MANUFACTURING PHOTOELECTRIC SURFACE, METHOD FOR MANUFACTURING SECONDARY ELECTRON EMISSION SURFACE, AND METHOD FOR MANUFACTURING ELECTRON TUBE 有权碱METALLER说服力的代理，碱金属发电机，光电表面电子发射面上次要的，电子管，制造方法PHOTO电气面，一种用于生产二次电子发射面及其制造方法的电子管
公开(公告)号：EP1598844A4
公开(公告)日：2006-12-06
申请号：EP04702855
申请日：2004-01-16
发明人： WATANABE TAKASHI , AKAI YOSHIRO , SAKAI SHIROU
IPC分类号： C22B5/04 , C22B26/10 , C23C14/14 , C23C14/24 , H01J1/32 , H01J1/34 , H01J1/35 , H01J9/12 , H01J29/38 , H01J31/50 , H01J40/06 , H01J43/08 , H01J43/18
CPC分类号： C22B26/10 , C22B5/04 , C23C14/14 , C23C14/243 , H01J1/35 , H01J9/12 , H01J2201/32 , H01J2201/3426
摘要： An alkali metal generating agent (1) for use in forming a photoelectric surface emitting a photoelectron corresponding to an incident light or a secondary electron emission surface emitting a secondary electron corresponding to an incident electron, which comprises an oxidizing agent comprising at least one vanadate having an alkali metal ion as a counter cation and a reducing agent for reducing the above cation. The above metal generating agent (1), which includes a vanadate having weaker oxidizing power than that of a chromate, undergoes slower oxidation-reduction reaction, which results in easier reaction rate control as compared to a conventional technique using a chromate, leading to the generation of an alkali metal with good stability.
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公开(公告)号：EP1369899A4
公开(公告)日：2004-04-07
申请号：EP02712470
申请日：2002-02-22
发明人： KATO HISAKI , KAWAI HIDETO
CPC分类号： H01J43/28 , H01J43/045 , H01J43/06 , H01J43/18 , H01J43/22
摘要： A photomultiplier cuts out light reflection from each focusing piece or unuseful electrons from being emitted from photoelectronic face by forming an oxide film over the surface of each focusing piece of a focusing electrode. The oxide film is formed over the surface of each secondary electron emission piece of the first and second stage die node to cut out the reflection from each secondary electron emission piece, so that unuseful electrons by reflected light are prevented from being emitted from the photoelectron face. Further, a light absorbing glass partition is provided in a light receiving face plate to suppress crosstalks between channels.
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公开(公告)号：EP3528278A1
公开(公告)日：2019-08-21
申请号：EP19168726.8
申请日：2011-03-31
申请人： Thermo Finnigan LLC
摘要： A method of operating a particle detector is introduced, the method comprising the steps of receiving incident particles that represent at least one input signal in the particle detector, emitting electrons from a first dynode in response to receiving the incident particles, directing the emitted electrons to a plurality of additional dynodes arranged in a cascading relationship, measuring a detection current generated at an intermediate dynode, and regulating a gain to at elast one dynode positioned downstream of the intermediate dynode based on the measured detection current.
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7.发明公开
公开(公告)号：EP3021351A1
公开(公告)日：2016-05-18
申请号：EP15194327.1
申请日：2015-11-12
CPC分类号： H01J43/18 , B81B7/00 , B81B2201/0292 , H01J43/28
摘要： Die vorliegende Erfindung betrifft einen Sekundärelektronenvervielfacher (10), aufweisend ein elektrisch isolierendes Substrat (12, 12'), auf dem eine Mehrzahl an diskreten Dynoden (14) und gegebenenfalls wenigstens eine Fokussierungselektrode (18) und gegebenenfalls ein Detektor (16) angeordnet sind, wobei weiterhin eine Leitungsstruktur zum Anlegen von definierten unterschiedlichen elektrischen Potentialen an die Dynoden (14) vorgesehen ist, und wobei zumindest ein räumlich zwischen den Dynoden (14) positioniertes Volumen und gegebenenfalls ein zwischen wenigstens einer Dynode (14) und der wenigstens einen Fokussierungselektrode (18) positioniertes Volumen und gegebenenfalls ein zwischen wenigstens einer Dynode (14) und dem Detektor (16) positioniertes Volumen mit einem Vakuum beaufschlagbar ist, dadurch gekennzeichnet, dass zumindest die Dynoden (14) und gegebenenfalls weiterhin der Detektor (16) und gegebenenfalls die wenigstens eine Fokussierungselektrode (18) eine räumliche Ausdehnung in einem Bereich von größer oder gleich 50µm bis ≤ 1000µm aufweisen und durch ein Verfahren der Mikrosystemtechnik aufgebracht sind. Ein vorbeschriebener Sekundärelektronenvervielfacher (10) erlaubt ein gutes Verstärkungspotential einhergehend mit einer vereinfachten Herstellbarkeit.
摘要翻译： 本发明涉及一种包括在其上，任选地，检测器（16）上设置有多个离散的倍增极（14）和任选的至少一个聚焦电极（18）和一个电绝缘基片（12，12“）的二次电子倍增器（10）， 其中还提供了一种用于施加限定不同的电势到倍增极（14），并且其中提供了一种管结构至少一个在空间上的倍增极（14）之间定位的体积，和至少一个倍增电极（14）和所述至少一个聚焦电极之间任选的一个（18 ），其位于卷和任选的（倍增电极14）和所述检测器之间的至少一个（16）与真空定位体积可以采取行动，其特征在于至少所述倍增电极（14）和任选的进一步的检测器（16）和任选的至少一种 聚焦电极（18）的空间的Au sdehnung表现出在等于50微米‰¤1000微米并且由微系统技术的方法被施加的范围内的大于或。 将规定二次电子倍增器（10）允许具有简化制造沿良好的补强潜力。
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公开(公告)号：EP1670030A4
公开(公告)日：2008-09-10
申请号：EP04787793
申请日：2004-09-09
发明人： KYUSHIMA HIROYUKI , SUYAMA MOTOHIRO , KIMURA SUENORI , NEGI YASUHARU , FUKASAWA ATSUHITO , KAWAI YOSHIHIKO , UCHIYAMA ATSUSHI , EGAWA YASUYUKI
CPC分类号： H01J40/16
摘要： An enclosure (2) has a glass bulb body (4) and a tubular glass bulb base (5). The glass bulb body (4) is composed of a generally spherical upper semispherical portion (4a) and a generally spherical lower semispherical portion (4b). The lower semispherical portion (4a) is connected between the upper semispherical portion (4a) and the glass bulb base (5). On the inner wall of the glass bulb body (4), a photoelectric surface (11) is formed. An avalanche photodiode (APD) (15) is disposed in the glass bulb base (5) in a position nearer to the glass bulb body (4) than the intersection (S) of the imaginary extension curve (I) of the lower semispherical portion (4b) and the axis (Z). When light enters the photoelectric surface (11), the photoelectric surface (11) emits electrons. The electrons are converged near and above the surface of the (APD) (15) by the electric field inside the electron tube (1). Therefore the electrons enter the APD (15) efficiently and are detected.
摘要翻译： 外壳（2）具有玻壳体（4）和管状玻壳基体（5）。 玻璃灯泡体（4）由大致球形的上半球形部分（4a）和大致球形的下半球形部分（4b）组成。 下半球形部分（4a）连接在上半球形部分（4a）和玻璃灯泡基座（5）之间。 在玻壳体（4）的内壁上形成光电面（11）。 雪崩光电二极管（15）设置在玻壳体（5）中比玻壳体（4）更靠近下半球部分（1）的假想延伸曲线（I）的交点（S） （4b）和轴线（Z）。 当光进入光电表面（11）时，光电表面（11）发射电子。 电子通过电子管（1）内部的电场在（APD）（15）表面附近和上方会聚。 因此电子有效地进入APD（15）并被检测到。
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公开(公告)号：EP1629518A4
公开(公告)日：2008-01-23
申请号：EP04752445
申请日：2004-05-17
发明人： KELLER CRAIG A , PLOWS FIONA L
摘要： An improved electron multiplier bias network that limits the response of the multiplier when the multiplier is faced with very large input signals, but then permits the multiplier to recover quickly following the large input signal. In one aspect, this invention provides an electron multiplier, having a cathode that emits electrons in response to receiving a particle, wherein the particle is one of a charged particle, a neutral particle, or a photon; an ordered chain of dynodes wherein each dynode receives electrons from a preceding dynode and emits a larger number of electrons to be received by the next dynode in the chain, wherein the first dynode of the ordered chain of dynodes receives electrons emitted by the cathode; an anode that collects the electrons emitted by the last dynode of the ordered chain of dynodes; a biasing system that biases each dynode of the ordered chain of dynodes to a specific potential; a set of charge reservoirs, wherein each charge reservoir of the set of charge reservoirs is connected with one of the dynodes of the ordered chain of dynodes; and an isolating element placed between one of the dynodes and its corresponding charge reservoir, where the isolating element is configured to control the response of the electron multiplier when the multiplier receives a large input signal, so as to permit the multiplier to enter into and exit from saturation in a controlled and rapid manner.
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公开(公告)号：EP0846332B1
公开(公告)日：2002-04-24
申请号：EP96925463.0
申请日：1996-07-25
发明人： THEN, Alan, M. , BENTLEY, Scott, T.
CPC分类号： H01J9/125 , H01J2201/32
摘要： A method for manufacturing a discrete dynode electron multiplier includes employing micromachining and thin film techniques to produce tapered apertures in an etchable substrate, bonding the substrates together and activating the internal surfaces of the etched substrate using chemical vapor deposition or oxidizing and nitriding techniques.
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