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A trapped transparent metal mesh electromagnetic shielding film and a preparation method thereof

An electromagnetic shielding film, transparent metal technology, applied in the fields of magnetic field/electric field shielding, electrical components, etc., can solve the problems of poor comprehensive performance, narrow shielding band, low light transmittance, etc., achieve high-efficiency shielding and absorption effect, widen shielding range, the effect of increasing the shielding effect

Pending Publication Date: 2018-12-25
WUJIANG YOUXIN NEW MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Conventional electromagnetic shielding windows usually use copper etching, photosensitive silver, etc. to integrate metal grids on the surface of transparent substrate materials, and use shielding glass with wire mesh inside. The product has low light transmittance and narrow shielding band, which is difficult to meet Requirements for electromagnetic shielding performance in the wide-screen segment from low frequency 10KHz to high frequency 18GHz, the shielding performance is not perfect, and the overall performance is not good

Method used

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  • A trapped transparent metal mesh electromagnetic shielding film and a preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] see figure 1 , a recessed transparent metal grid electromagnetic shielding film, including a base material 1, a high light-transmitting resin layer 2 is arranged on the upper side of the base material 1, and a plurality of nanometer conductors are embedded in the high light-transmitting resin layer 2 The magnetic material particles 3 are evenly arranged with a plurality of grooves on the high light-transmitting resin layer 2, and the inside of each groove is evenly distributed with a nano-metal conductive material layer 4, a nano-metal magnetic permeable material layer 5 and a blackening layer. nanomaterial layer 6;

[0032] The material of the substrate 1 is PET;

[0033] The material of the high light transmission resin in the high light transmission resin layer 2 is PETG;

[0034] The nano-metal conductive material layer 4 is a nano-copper conductive ink layer;

[0035] The nano metal magnetic material layer 5 is a nano magnetic ink layer;

[0036] The blackened ...

Embodiment 2

[0049] see figure 1 , a recessed transparent metal grid electromagnetic shielding film, including a base material 1, a high light-transmitting resin layer 2 is arranged on the upper side of the base material 1, and a plurality of nanometer conductors are embedded in the high light-transmitting resin layer 2 The magnetic material particles 3 are evenly arranged with a plurality of grooves on the high light-transmitting resin layer 2, and the inside of each groove is evenly distributed with a nano-metal conductive material layer 4, a nano-metal magnetic permeable material layer 5 and a blackening layer. nanomaterial layer 6;

[0050] The material of the base material 1 is PC;

[0051] The material of the high light transmission resin in the high light transmission resin layer 2 is PETG;

[0052] The nano-metal conductive material layer 4 is a nano-copper conductive ink layer;

[0053] The nano metal magnetic material layer 5 is a nano magnetic ink layer;

[0054] The blacken...

Embodiment 3

[0067] see figure 1, a recessed transparent metal grid electromagnetic shielding film, including a base material 1, a high light-transmitting resin layer 2 is arranged on the upper side of the base material 1, and a plurality of nanometer conductors are embedded in the high light-transmitting resin layer 2 The magnetic material particles 3 are evenly arranged with a plurality of grooves on the high light-transmitting resin layer 2, and the inside of each groove is evenly distributed with a nano-metal conductive material layer 4, a nano-metal magnetic permeable material layer 5 and a blackening layer. nanomaterial layer 6;

[0068] The material of the substrate 1 is PEN;

[0069] The material of the high light transmission resin in the high light transmission resin layer 2 is TPU;

[0070] The nano-metal conductive material layer 4 is a nano-copper conductive ink layer;

[0071] The nano metal magnetic material layer 5 is a nano magnetic ink layer;

[0072] The blackened na...

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Abstract

The invention discloses a trapped transparent metal mesh electromagnetic shielding film, which includes a substrate; the upper side of the substrate is provided with a high-light-transmitting resin layer, a plurality of nano magnetic conductive material particles are embedded in the high-light-transmitting resin layer, the invention also discloses a preparation method of the trapped transparent metal mesh electromagnetic shielding film, which adopts a micro-nano processing mode to manufacture a transparent structural substrate, and forms a metal mesh structure inside the structure by using theprinciple of gravure printing, so that the metal structure has a high transmission type and a high weathering resistance; the environment-friendly manufacturing technology is adopted, and the finestmetal line width can reach 1 [mu]m, which has good visual effect; the combination of magnetic conductivity and conductive nanomaterials can effectively improve the shielding effect and widen the shielding range. A variety of grid designs and an analog circuit absorbing array are combined to achieve high-efficient shielding and absorbing effect.

Description

technical field [0001] The invention relates to the technical field of electromagnetic shielding films, in particular to a sunken transparent metal grid electromagnetic shielding film and a preparation method thereof. Background technique [0002] Conventional electromagnetic shielding windows usually use copper etching, photosensitive silver, etc. to integrate metal grids on the surface of transparent substrate materials, and use shielding glass with wire mesh inside. The product has low light transmittance and narrow shielding band, which is difficult to meet From the low frequency 10KHz to the high frequency 18GHz wide-screen electromagnetic shielding performance requirements, the shielding performance is not perfect, and the overall performance is not good. Contents of the invention [0003] The object of the present invention is to provide a sunken transparent metal grid electromagnetic shielding film and a preparation method thereof, so as to solve the problems raise...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05K9/00
CPCH05K9/0088
Inventor 姚艳芳
Owner WUJIANG YOUXIN NEW MATERIAL TECH
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