Every electromagnetic field mitigation project comes with its own unique set of design challenges. The engineering approach to the problem requires a careful evaluation of interference sources and their location in relation to the protected area. Quantification of the interference level quite often requires monitoring the area over extended period of time using recording instruments.
The solution can be a passive shielded room, or, in the case of extremely sensitive medical and laboratory equipment such as scanning electron microscopes and electron lithographs, additional protection may be required against intrusive magnetic fields. In such cases, active magnetic field cancellation systems are utilized. The active system coils can take form of a wall mounted system, or a free standing cage around the sensitive instrument itself. The shielding of these individual suites has been achieved numerous times, with a well developed engineering approach for individual situations.