We are living in a world, where electronic devices have gained a lot of prominence in the recent decade. EMC or Electromagnetic Compatibility is the unintentional generation, reception and propagation of electromagnetic waves, that may sometimes mess with the equipment’s and components of different electrical systems. Today, the risk of electromagnetic compatibility is more, since the radiation and interference can hugely alter the usage of the electronic components and equipment’s. Moreover, not only does the EMC or electromagnetic compatibility affect the electronic equipment’s, but it also affects the surrounding that the electronic components work in. So, for instance, the electronic components which are working in highly sensitive environment such as in airplane and hospitals, if they are under the interference and radiation, then that might cause the loss of several human lives. Therefore, it is very evident that the study of the EMC or Electromagnetic Compatibility is seriously necessary for the manufacturer and the engineers who are in charge of making these components. It is equally important that the manufacturer and the engineers know, how to safeguard their instruments from these interferences and radiations, so that the components can work without any alteration.
Factoring in EMC at Product Design and Development Stage
At the time of the product design and the development phase, the only thing that the developer pays heed to is the practical implementation of the product. The only job of the developer at that point of time is to, make the model or the prototype of the product, and give, the painting drawn on the blackboard, life. But, will making the practical model and running it in ideal condition mean that the product is healthy, and is ready for large scale deployment. Does it mean that, it will run as expected when it is deployed in many scenarios? Will the function of the machine be impaired by other machines, or will this machine impair other machines by the wave it emanates when it functions?
For instance, we can take a remote-controlled light, that can be very useful in the operating room. Now, it has been seen, that whenever the light is being controlled by the remote, there is some faltering in the monitoring system and other critical life support equipment. Now, will the doctor give permission to use this remote-controlled light in the operating system, by risking the failure of the other life support systems? No, right. Therefore, before large scale production, the companies should use their product in different environments, to make sure that it doesn’t disrupt other electronic components.
Choosing the Shielding Material
What electromagnetic shielding mainly does is that, it shields your equipment’s from the EMI and the RFI also known as the Radio Frequency Interference. Mostly metals are used for this shielding purpose, and some of the most famous metals that are known to provide shield from EMI and RFI is, copper, nickel and steel alloy which are used in an enclosure to provide the maximum shielding. Moreover, many of the experts believe that an alloy made out of, copper, nickel, iron and molybdenum gives the best shielding.
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