Microwave electromagnet shielding fabric and manufacturing method thereof

The invention discloses a microwave electromagnet shielding fabric. The fabric comprises a basic layer and a metal composite coating. The basic layer is made of terylene network silk fabrics and is characterized in that a metal composite coating is arranged on the basic layer, wherein the bottom lay...

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Bibliographische Detailangaben
Hauptverfasser:	LIANG CHANGRUI, LIU MANHUA, SHANG SISHAN
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LAUNDERING METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TEXTILES TREATMENT OF TEXTILES OR THE LIKE TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS
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Beschreibung
Zusammenfassung:	The invention discloses a microwave electromagnet shielding fabric. The fabric comprises a basic layer and a metal composite coating. The basic layer is made of terylene network silk fabrics and is characterized in that a metal composite coating is arranged on the basic layer, wherein the bottom layer of the metal composite coating is a silver coating with a silver content of 4 to 10 grams per square meter, and the surface layer of the metal composite coating is an aurous coating, and the gold (I) content is 13 to 20 grams per square meter. The shielding performance on electromagnet field is improved, the synergetic effect between metal layers is enhanced, and the effective thickness of fabrics is also taken into account, so the provided fabric can be used in a wide frequency range of 300 MHz-300 GHz, the shielding effectiveness is 60-90 dB, and the reflectivity can reach 98%. The provided fabric has high shielding effectiveness and a strong reflecting performance on microwave electromagnetic radiation, and thus is especially suitable for being applied to industries such as aviation, aerospace, military research, medical industry, mine industry, and the like.