Absorbing sheet magnetic shielding material

The main components of the RMS05 series wave absorbing sheet of Penghui are composed of high-loss broadband wave absorption magnetic powder and polymer resin. With high loss and excellent impedance matching characteristics, suitable for suppressing the electronic noise of 0.5Ghz-18Ghz, and providing a variety of thicknesses for customers to choose, such as 0.5mm, 1.0mm, 1.2mm,1.5mm, 2.0mm, 2.5mm without back glue thickness, etc. After the electromagnetic wave shoots into the absorbing wave sheet, through the hysteresis loss is transformed into thermal energy, dielectric loss, resistance loss, eddy current loss, interference reduction, potential energy and other forms of energy, the absorption effect is very ideal, the absorbing wave sheet meets the ROHS and halogen free.

With the rapid development of science and technology and electronic industrialization, all kinds of digital, high frequency of electronic electrical equipment components integration continuously improve, such as computers, radio communication equipment, etc., they will work to radiate a large number of different wavelengths and frequencies of electromagnetic pollution (EMI), electromagnetic pollution is more and more serious, has become the air pollution, water pollution and a big pollution, so introduced more international laws and regulations to regulate the electromagnetic compatibility standards of listed products, have higher requirements for electromagnetic radiation of electronic products.

EMI (Electro MagneTIc Interference): The literal translation is the electromagnetic interference. The three elements of electromagnetic interference: interference source, interference propagation route and sensitive equipment.Interference source refers to the electronic equipment or system that produces electromagnetic interference. The interference propagation route includes cables, space, etc. Sensitive equipment refers to the electronic equipment or system that is easily affected by electromagnetic interference. Transmission frequency interference (RF Interference): RF is a high-frequency alternating current, commonly known as an electromagnetic wave. Radio frequency interference is the interference brought by electromagnetic waves, such as two electromagnetic waves of similar frequencies will be received by the receiver at the same time, causing interference.In the sending platform near the place where there will be harmonic interference, interference with other receiving equipment, electromagnetic waves at the same frequency can disturb the station.

Penghui’s research and development team aimed at the demand of the market, many years ago developed a high loss, high absorption electromagnetic absorption material RMS05 series, widely used in notebook computers, industrial control equipment, communication cabinet, intelligent equipment, medical equipment, advanced equipment and other electronic equipment cavity interior, widely praised by customers.

The absorbing sheet is a functional composite material that mainly absorbs electromagnetic waves. It eliminates the back and forth reflection of electromagnetic waves in the shielding cavity, reduces the interference of clutter to its own equipment, and effectively prevents electromagnetic radiation from harassing and harming surrounding equipment and personnel. An advanced means of eliminating electromagnetic wave pollution. The application of absorbing sheet in electronic equipment can absorb the leaked electromagnetic radiation, which can achieve the purpose of eliminating electromagnetic interference. According to the law that electromagnetic waves propagate in the medium from low magnetic to high magnetic permeability, high-permeability ferrite is used to guide electromagnetic waves, and through resonance, a large amount of radiation energy of electromagnetic waves is absorbed, and then the energy of electromagnetic waves is converted into heat energy through coupling.

The usefulness of the thermally conductive absorbing sheet is that it also has the advantage of absorbing and discharging battery radiation when exporting heat, which can prevent electromagnetic interference. In this way, it has good use in communication electronic products, can be applied to mobile and communication equipment, can be used in microprocessors and image processors, has good insulation, has good electromagnetic adsorption capacity, and has high shrinkage rate , with the characteristics of long-term use.

The usefulness of the thermally conductive absorbing sheet is that it also has the advantage of absorbing and discharging battery radiation when exporting heat, which can prevent electromagnetic interference. In this way, it has good use in communication electronic products, can be applied to mobile and communication equipment, can be used in microprocessors and image processors, has good insulation, has good electromagnetic adsorption capacity, and has high shrinkage rate and long-term use characteristics.

The thermal conductivity absorbing sheet is different from other thermal conductivity and heat dissipation materials. Like graphite sheet, thermal conductivity is a large type, but its properties are different. It has the advantage of shielding heat source components to improve electronic products, and has the advantage of consumption performance. The products that appear after processing are used in wireless switches, communication equipment, and computer notebooks.

The absorbing sheet integrates the functions of heat conduction and electromagnetic wave absorption. It absorbs the leaked electromagnetic radiation while exporting heat, solves dual problems in a limited space, and achieves the purpose of simplifying the design of the mechanism and reducing the cost.

The absorbing sheet uses silica gel, neoprene rubber, etc. as the base material, which can absorb microwave and electromagnetic energy with less reflection and scattering. It is mainly used to solve EMI problems in microwave devices and high-frequency electronic equipment. It has the advantages of excellent absorbing effect, good flexibility, good temperature resistance and environmental protection.

RMS05 series wave absorption film appearance structure

RMS05 series wave absorption features

1. Made of high loss, high absorption + environmental protection polymer material composite, soft, can be customized according to customer requirements;
2. One side or both sides attached with double-sided adhesive (usually standard double-sided adhesive is 3M9448A);
3. Broadband (0.5Ghz-18Ghz) has a good absorption effect, more suitable for multi-point broadband electronic noise absorption;
4. The surface is smooth and smooth, not off powder, not rotten edge, not conductive, with toughness;
5. Can improve the EMI problems of laptop computer, industrial control equipment, communication cabinet, intelligent equipment, medical equipment, sophisticated equipment and other equipment;
6. A variety of thicknesses for customers to choose freely, can solve problems at the same time, choose better price models;
7. Through the ROHS, HF certification, with aging resistance characteristics.

RMS05 series wave absorption specifications

RMS05 Series Wave Performance Map

Attention:

1. The product is kept at room temperature to avoid direct sunlight and high temperature and high humidity;
2. The above data are averaged from the multiple actual tests of the company, and the company has the right to make the final interpretation;
3. The buyer must determine whether the product is suitable for a specific use and whether it is suitable for the buyer’s application mode. Many factors will affect the performance of the product for a specific use. If you have any questions about the company’s products, please contact the company personnel, so that we can better serve you.