Abstract
In allusion to electromagnetic radiation damage that existed in daily life, social safety and military field, electromagnetic shielding technology of infrared and infrared optical window was studied. Transparent conductive film mesh was proposed in optical window, the mesh is composed of oxide films including ITO, SnO<sub>2</sub> etc, for decreasing infrared and <a href="http://dict.cnki.net/dict_result.aspx?searchword=%e5%8f%af%e8%a7%81%e5%85%89&amp;tjType=sentence&amp;style=&amp;t=visible">visible</a> <a href="http://dict.cnki.net/dict_result.aspx?searchword=%e4%bd%8e&amp;tjType=sentence&amp;style=&amp;t=low">low</a> <a href="http://dict.cnki.net/dict_result.aspx?searchword=%e9%80%8f%e8%bf%87%e7%8e%87&amp;tjType=sentence&amp;style=&amp;t=transmission">transmission</a> problem of traditional <a href="http://dict.cnki.net/dict_result.aspx?searchword=%e9%87%91%e5%b1%9e%e7%bd%91%e6%a0%85&amp;tjType=sentence&amp;style=&amp;t=metal+mesh">metal mesh</a>. The effects of <a href="http://dict.cnki.net/dict_result.aspx?searchword=%e5%85%89%e7%94%b5%e7%89%b9%e6%80%a7&amp;tjType=sentence&amp;style=&amp;t=photoelectric+properties">photoelectric properties</a> comes from mesh <a href="http://dict.cnki.net/dict_result.aspx?searchword=%e7%ba%bf%e5%ae%bd&amp;tjType=sentence&amp;style=&amp;t=line+width">line width</a> and cycle was analysised in this paper, different <a href="http://dict.cnki.net/dict_result.aspx?searchword=%e7%ba%bf%e5%ae%bd&amp;tjType=sentence&amp;style=&amp;t=line+width">line width</a> and cycle ITO film mesh was <a href="http://dict.cnki.net/dict_result.aspx?searchword=%e5%88%b6%e4%bd%9c&amp;tjType=sentence&amp;style=&amp;t=manufacture">manufacture</a>d，by the way of coating、<a href="http://dict.cnki.net/dict_result.aspx?searchword=%e5%85%89%e5%88%bb&amp;tjType=sentence&amp;style=&amp;t=lithography">lithography</a> and <a href="http://dict.cnki.net/dict_result.aspx?searchword=%e5%8c%96%e5%ad%a6%e8%85%90%e8%9a%80&amp;tjType=sentence&amp;style=&amp;t=chemical+erosion">chemical erosion</a> method. The Comparison Study of ITO film mesh and <a href="http://dict.cnki.net/dict_result.aspx?searchword=%e9%87%91%e5%b1%9e%e7%bd%91%e6%a0%85&amp;tjType=sentence&amp;style=&amp;t=metal+mesh">metal mesh</a>, we concluded that infrared <a href="http://dict.cnki.net/dict_result.aspx?searchword=%e9%80%8f%e8%bf%87%e7%8e%87&amp;tjType=sentence&amp;style=&amp;t=transmission">transmission</a> of ITO mesh is higher than metal mesh, and even more than 10%; that shielding <a href="http://dict.cnki.net/dict_result.aspx?searchword=%e6%95%88%e7%8e%87&amp;tjType=sentence&amp;style=&amp;t=efficiency">efficiency</a> of ITO mesh is lower than metal mesh, but the gap is <a href="http://dict.cnki.net/dict_result.aspx?searchword=%e8%be%83%e5%b0%8f&amp;tjType=sentence&amp;style=&amp;t=less">less</a>, only 2～3dB. So it <a href="http://dict.cnki.net/dict_result.aspx?searchword=%e5%85%b7%e6%9c%89%e5%ae%9e%e7%94%a8%e4%bb%b7%e5%80%bc&amp;tjType=sentence&amp;style=&amp;t=has+practical+value">has practical value</a> by ITO mesh <a href="http://dict.cnki.net/dict_result.aspx?searchword=%e4%bb%a3%e6%9b%bf&amp;tjType=sentence&amp;style=&amp;t=instead+of">instead of</a> metal mesh.
Highlights
Modern electronic equipment to social life bring convenience, comfort, while doubling its power equipment, a substantial increase in electromagnetic radiation on the ground, it has reached the degree of impact on human health
The electromagnetic radiation cause a great harm in the military field, in order to achieve military precision strikes guided missiles and other weapons, often using infrared, visible, TV and other controlled guidance system, and interfere with electromagnetic radiation often make weapons guidance system failure, while taking advantage of this phenomenon, the opposing sides will use electromagnetic interference electronic warfare, causing the enemy communication systems paralyzed
Military currently uses metal mesh technology shielding visible, unwanted electromagnetic wave of infrared window, but the biggest shortage of a metal mesh is in the long-wave electromagnetic radiation shield, while the visible and infrared a large block
Summary
Modern electronic equipment to social life bring convenience, comfort, while doubling its power equipment, a substantial increase in electromagnetic radiation on the ground, it has reached the degree of impact on human health. The study of a shorter wavelength of visible light, infrared light transmission efficiency, and longer wavelength electromagnetic wave shielding technology to eliminate or reduce the hazards of electromagnetic radiation caused significant meaning. Military currently uses metal mesh technology shielding visible, unwanted electromagnetic wave of infrared window, but the biggest shortage of a metal mesh is in the long-wave electromagnetic radiation shield, while the visible and infrared a large block. Practice has proved that some of the metal mesh is better shielding, visible and infrared transmission maximum loss of 30%. This article proposes to solve this problem using ITO transparent film mesh instead of metal mesh shield method, ITO transparent film mesh is based on ITO transparent film, made into a mesh structure by the way of lithography and chemical erosion method. ITO transparent film mesh same structure its visible and infrared transmission will far exceed the metal mesh
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