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Auto-expanding focusing electrodes and photomultiplier tubes for photomultiplier tubes

A photomultiplier tube and automatic expansion technology, which is applied in the direction of electron multiplier dynodes, electron multiplier cathode devices, electron multiplier anode devices, etc., can solve the problems of difficult to obtain collection efficiency, complex structure of the whole tube, weak time characteristics, etc. , to achieve the effects of good uniformity, improved detection efficiency and ultra-high gain

Active Publication Date: 2019-01-08
NORTH NIGHT VISION TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] Currently, photomultiplier tubes, especially large-sized photomultiplier tubes, are mostly dynode-type technical solutions. The structure of the whole tube is complex, and the time characteristic is relatively weak. The focusing pole structure can further improve parameters such as TTS, but it is difficult to obtain greater collection efficiency due to various technical conditions, especially the size limit of the focusing pole.

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  • Auto-expanding focusing electrodes and photomultiplier tubes for photomultiplier tubes

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Embodiment Construction

[0034] In order to better understand the technical content of the present invention, specific embodiments are given together with the attached drawings for description as follows.

[0035] Aspects of the invention are described in this disclosure with reference to the accompanying drawings, which show a number of illustrated embodiments. Embodiments of the present disclosure are not necessarily intended to include all aspects of the invention. It should be appreciated that the various concepts and embodiments described above, as well as those described in more detail below, can be implemented in any of numerous ways, since the concepts and embodiments disclosed herein are not limited to any implementation. In addition, some aspects of the present disclosure may be used alone or in any suitable combination with other aspects of the present disclosure.

[0036] combine figure 1 , a photomultiplier tube with self-expanding focusing electrode, including a sealed casing 101, an ...

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Abstract

The invention discloses an automatic expansion focusing electrode for a photomultiplier tube and a photomultiplier tube, wherein the automatic expansion focusing electrode comprises an expansion support rod, a metal cloth, a fixing mechanism, a rotating shaft and a touch spring. The expansion support rod, the rotating shaft and the touch spring piece are one-to-one corresponded, and are arranged around the fixing mechanism; A plurality of expansion struts rotatably mounted along an edge of the fixing mechanism and about the rotational axis; The metal cloth is arranged around the central axis of the fixing mechanism in an initial state of wrinkle folding, and each expansion rod is fixedly connected with the wrinkle edge position of the metal cloth, so that the metal cloth can be unfolded with the movement of the expansion rod to enter an expanded state. The automatic expansion focusing pole of the invention can realize the expansion action of the automatic expansion focusing pole and realize the expansion of the radial dimension of the focusing pole.

Description

technical field [0001] The invention relates to the technical field of microchannel plate photomultiplier tubes, in particular to an auto-expandable focusing electrode and a photomultiplier tube for photomultiplier tubes. Background technique [0002] A photomultiplier tube is a light detector that converts a weak light signal into an electrical signal for output. From the category of multipliers, it can be divided into Dynapolar photomultiplier tubes and micro-channel plate photomultiplier tubes. Various types of photomultiplier tubes are widely used in basic physics research, high-energy gamma ray detection, ground cosmic ray telescope observation, double beta decay experiment, proton decay experiment, dark matter detection, neutrino detection experiment and other fields. [0003] Currently, photomultiplier tubes, especially large-sized photomultiplier tubes, are mostly dynode-type technical solutions. The structure of the whole tube is complex, and the time characteristi...

Claims

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Application Information

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IPC IPC(8): H01J43/06H01J43/08H01J43/10H01J43/12
CPCH01J43/06H01J43/08H01J43/10H01J43/12
Inventor 苏德坦孙建宁徐海洋任玲王兴超黄国瑞金真金睦淳李珅李冬顾燕石梦瑶
Owner NORTH NIGHT VISION TECH
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