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A kind of large area array CCD light window cleaning method

A large area array and light window technology, applied in the field of optics, can solve the problems such as the difficulty of cleaning the light window of large area array CCD, and achieve the effect of improving production efficiency and reducing secondary pollution

Active Publication Date: 2020-10-09
BEIJING HUAHANG RADIO MEASUREMENT & RES INST
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of the above-mentioned analysis, the present invention proposes a method for cleaning the light window of a large area array CCD to solve the difficult problem of cleaning the light window of a large area array CCD

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  • A kind of large area array CCD light window cleaning method

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Embodiment Construction

[0035] Preferred embodiments of the present invention will be specifically described below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the application and are used together with the embodiments of the present invention to explain the principles of the present invention.

[0036] A specific embodiment of the present invention discloses a large area array CCD light window cleaning method, such as figure 1 shown, including the following steps:

[0037] Step 1: Use a vacuum device to absorb the movable attachments on the surface of the CCD light window, the gaps around it, and the surface of the frame structure around the camera.

[0038] In order to prevent static electricity from damaging the camera, the dust suction device includes antistatic components. The anti-static component is installed on the clamp nozzle at the front end of the dust collector, including a hose, a metal hollow tube and conductive rubber. One end ...

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Abstract

The invention discloses a method for cleaning a large area array CCD light window. The attachments on the surface of the CCD light window, surrounding gaps and the surface of the frame structure around the camera are cleaned by means of a dust collection device, organic solvents, applying anti-static cleaning glue, etc. . This method avoids electrostatic damage to the CCD chip during cleaning; after one cleaning, the number of dark spots on the surface of the CCD light window is reduced by about 10 times, and the cleaning time is greatly shortened; and it reduces the risk of secondary damage in environmental tests after the camera is assembled. pollution.

Description

technical field [0001] The invention belongs to the field of optical technology, and relates to a method for cleaning a large area array CCD light window. Background technique [0002] The surface of the large area array CCD will be covered with a light window to protect the large area array CCD. Once the light window of the large area array CCD is polluted, it will cause the following two problems: the formed image is blocked, and it is impossible to obtain all the required observations accurately and comprehensively. Scene photos; if the target needs to be tracked, the attachment may block the target and cause the mission to fail. [0003] The area of ​​the light window of a large area array CCD is about 10 to 20 times the size of the CCD area used in general optoelectronic products, and it is difficult to clean. [0004] The mixed solution of alcohol and ether is used for cleaning. If the operator is exposed to ether gas, the human body will be harmed, and this cleaning ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B08B11/00B08B7/00B08B13/00B08B5/04B08B1/00
CPCB08B5/04B08B7/0028B08B11/00B08B13/00B08B1/143
Inventor 廉黎郭宏于云翔李战行樊立
Owner BEIJING HUAHANG RADIO MEASUREMENT & RES INST