Protection method for electrode exposed to optical shielding window
An optical shielding and electrode technology, which is applied to devices that apply liquid to the surface, pre-treatment surfaces, coatings, etc., can solve the problem that the protection of exposed electrodes on the optical window is not seen, and achieve good protection effect and high cold resistance. And the effect of heat resistance and strong adhesion
Active Publication Date: 2019-05-28
西安应用光学研究所
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Problems solved by technology
[0005] For the protection of the exposed electrodes on the optical window, no other literature and patent reports have been seen
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[0033] Embodiments of the present invention are described in detail below, and the embodiments are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.
[0034] The appearance of the optical shielding window of the preferred embodiment of the present invention is as attached figure 1 As shown, the shape is a special-shaped wedge-shaped optical part, which is composed of optical glass, gold wire mesh, edge and side edge metal electrodes, anti-reflection film on the inner surface and strength protective film on the outer surface.
[0035] figure 2 It is a schematic diagram of assembling the optical shielding window to the metal housing. The metal housing and the metallized optical window are fitted in a wedge shape and fastened by an elastic retaining ring. The metal grid plated on the outer surface of the optical window is connected to the edge and side electrodes. The optical window and the metal shell are fi...
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The invention provides a protection method for an electrode exposed to an optical shielding window and aims at overcoming the defects of the existing protection method. In the protection method, by selecting silicone rubber, as a high-molecular elastic material, with high temperature resistance, cold resistance and ageing resistance as an electrode protective material, the silicone rubber is diluted with an organic solvent, and a technological method of performing shielding and covering before spraying and silicone rubber spraying is adopted to perform spraying covering on the exposed electrode on the surface of the optical shielding window, and an electrode protective layer is formed after the silicon rubber is thoroughly cured, so that on the premise without influencing the shielding performance and optical performance of the optical window, the aesthetic requirement for a product is met, and the requirements for environmental adaptability such as high and low temperature resistance,an strong airflow, sand dust and the like of the exposed electrode under a flight working condition are met. The protection method solves the problems of poor reliability and easiness in falling of the exposed electrode of other protective materials and methods.
Description
technical field [0001] The invention belongs to the field of optical-mechanical assembly and spraying, in particular to a method for protecting exposed electrodes of optical shielding windows. Background technique [0002] The optical window is an important part of the airborne optoelectronic system. In order to ensure the RCS performance of the aircraft, it needs to have good electromagnetic shielding ability while having good optical, mechanical and thermal properties. In order to realize the shielding of the optical window, a conductive metal grid with electromagnetic shielding function is made on the surface of the optical window to realize the metallization of the optical window, and then a high-strength protective film is plated on the metal grid. Due to the limitations of the coating process, it cannot completely cover the conductive metal grid, resulting in the exposure of the electrodes at the edge of the light window window. In order to prevent the electrodes from ...
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IPC IPC(8): B05D1/32B05D1/02B05D3/04B05D3/10C09D183/04
Inventor 张燕陶忠杨海成苏瑛许小雷柳植溪赵红军张森赵瑱贾雪涛崔强许增奇徐红伟杨朝郭芮杨崇民王章利
Owner 西安应用光学研究所