A method and apparatus for providing a switchable electromagnetic interference (EMI) barrier. The method protects an object against electromagnetic radiation, through the steps of: providing an object to be protected from electromagnetic radiation; placing a barrier sheet adjacent to the object, the...http://www.google.es/patents/US5278562?utm_source=gb-gplus-sharePatente US5278562 - Method and apparatus using photoresistive materials as switchable EMI barriers and shielding
Method and apparatus using photoresistive materials as switchable EMI ...
