A Faraday shield minimizes the leakage of electromagnetic interference (EMI) and radio frequency interference (RFI) of a maximum frequency and corresponding wavelength that emanates from electronic components contained within the shield. The top and bottom each contain apertures that are dimensioned...http://www.google.es/patents/US5398822?utm_source=gb-gplus-sharePatente US5398822 - Enclosure for electronic modules
