Copper wire mesh is one of the most popular EMI / RFI shielding mesh screens.
- The main reason is that its electrical conductivity is extremely high, second only to silver wire mesh. But copper metal mesh is relatively easy to obtain and use at a low cost.
- There are some other characteristics that make it ideal for use as a shielding screen. For example,
- Non magnetic
- High light transmittance: it almost does not block the view from either side.
- Good air permeability
- Copper shielding cloth offers enhanced mechanical properties withstanding large wear and abuse.
- Excellent fire resistance and corrosion resistance, durable.
Benefits of Using RFI Electromagnetic Shielding Copper Mesh
Fine copper mesh can effectively shield RFI (radio frequency interference), EMI (electromagnetic interference) generated from large electronic equipment to smaller devices, and some other external interference caused by electrostatic fields and high frequency electromagnetic radiations for example, AM/FM radiations, CRT oscilloscopes and fluorescent strip lights. At the same time, rfi electromagnetic shielding copper mesh will limit the potentially harmful radiation emitted by their products.
Therefore, when we use conductive copper mesh, it will help us to ensure the safety of many things. Such as key electronic equipment, high-frequency scientific and medical equipment, measuring and testing devices, sensitive devices, technical systems, government and military secrecy devices and security systems. Otherwise, if there is no shielding method, all of them can cause malfunction of electronics. For instance
- The suppression of radio signals within a device.
- Ambient interference from the outside, which impacts operation efficiency.
- Internally generated emissions, which interfere with functionality.
Similarly, copper mesh screens can do a good job to block the damage of radiation from the mobile, radios, Wi-Fi and other places to the human body.
Applications of EMI RFI Shielding Copper Mesh
Faraday cage is one of the earliest application examples, which is wrapped in the conductive mesh. So it can reduce the effect of electromagnetic waves, radio waves, microwave, and other external radiation, and then ensure the normal operation of instruments and equipment. We can use Faraday cages in a variety of places. Such as in the laboratory, in the generator room, in the data center.
From laboratory uses on a micro scale level, to MRI rooms providing RFI shielding, copper mesh can provide a safe barrier to protect from electromagnetic radiation. For example, we can use RFI shielding pure copper woven wire mesh for use in the MRI scanning room construction. For the (MRI) machines in the scan room, RFI shielding copper mesh can prevent external RF (radio frequency) signals from affecting patient scan imaging.
Woven copper wire mesh for EMI and RFI shielding is a good choice for use in electronic displays. Because it has good electromagnetic radiation protection, it can prevent electromagnetic leakage and effectively shield the electromagnetic signal of the display window. Moreover, its light transmission is good. EMI shielding copper mesh has been widely used in radar displays, computer display terminals, printers, radio, spectrum analyzer, precision instruments and other digital and image display windows, electronic shelter and shielding room observation window electromagnetic shielding. Copper mesh for electromagnetic shielding can also be used in many public information displays such as airport display boards as well as rail and bus terminals.
Materials: customers may choose copper wire mesh screen, stainless steel wire mesh and phosphor bronze woven wire mesh as their shielding mesh.
Mesh count: the openings per linear inch of pure copper wire mesh is available from 2 to 300.
For shielding applications, here are some popular mesh sizes. Such as 20, 40, 60, 80, 100, 120, 150, 180, 200, 250, etc. Usually, the higher the mesh count, the better the shielding ability.
Roll size: 1m x 30m is the most common size.
- Common roll width: 0.914m, 1m, 1.22m, 1.5m
- Common roll length: 30m, 50m, 100m
If you need other sizes, please do not worry. Because copper woven mesh can be customized according to your requirement. After considering the cost-effectiveness, usually, for some narrow copper wire mesh, we can directly cut it from the stocks; for an ultra wide copper mesh screen, we will arrange the production.