Interference in RF Shielded Rooms Due to Potentials Between Grounded Surfaces

Marc Gaidosh ( National Technical Support, Fujifilm Healthcare Americas, Twinsburg, OH, USA) [email protected]

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Potentials between ‘grounded’ surfaces in a RF shielded room can cause interference in sensitive equipment. RF shielded rooms such as those used for Magnetic Resonance Imaging (MRI) scanners are examples of equipment susceptible to interference as a result of imperceptible arcs. These tiny arcs are usually intermittent making them problematic for troubleshooting.