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Microchannel plate for proximity photodetection device and preparation method thereof

A technology of micro-channel plate and photoelectric detection, which is applied in the manufacture of discharge tubes/lamps, electrical components, electrode systems, etc., to achieve the effect of improving detection collection efficiency and improving detection efficiency

Active Publication Date: 2022-04-22
NORTH NIGHT VISION TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the above-mentioned methods, they are all aimed at the micro-channel plate itself, and only solve the collection efficiency problem of the micro-channel plate in improving the detection efficiency of the photodetector device, but fail to combine with the photocathode to assist in improving the performance of the photocathode

Method used

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  • Microchannel plate for proximity photodetection device and preparation method thereof
  • Microchannel plate for proximity photodetection device and preparation method thereof
  • Microchannel plate for proximity photodetection device and preparation method thereof

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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] The purpose of the present invention is to propose a microchannel plate with a high detection rate and a preparation ...

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Abstract

The invention provides a microchannel plate for a close-attached photodetector device and a preparation method thereof, wherein a NiCr connection layer, a metal aluminum film layer and an oxide layer on the surface of an aluminum film are sequentially formed on the input surface of the microchannel plate, and the NiCr connection layer It directly covers the surface of the input surface of the micro-channel plate; the detection and collection efficiency of the micro-channel plate is above 98%, and it is applied to a close-fitting photodetection device, which can greatly improve the detection efficiency of the device.

Description

technical field [0001] The invention relates to the technical field of vacuum photodetection, in particular to a microchannel plate for close-attached photodetection devices and a preparation method thereof. By adjusting the opening area ratio of the microchannel plate and the surface film structure, the microchannel The collection efficiency of the plate, so as to realize the improvement of the detection efficiency of the proximity photodetection device. Background technique [0002] Among the performance indicators of vacuum photodetection devices, the detection efficiency of effective optical signals is an important indicator. In order to achieve higher detection efficiency, it is necessary to continuously improve the quantum efficiency / sensitivity of the photocathode to convert photons into photoelectrons, and at the same time improve and optimize the microchannel. The collection efficiency of electron multipliers such as plates for photoelectrons. In the process of sol...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01J43/10H01J43/08H01J9/12H01J9/02
CPCH01J43/10H01J43/08H01J9/12H01J9/02
Inventor 邱祥彪丛晓庆张正君李臻王兴超李婧雯孙赛林任玲乔芳建李磊
Owner NORTH NIGHT VISION TECH
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