An multi-layered EMI gasket has a first layer constructed of an electrically conductive resilient material and a second, support layer of an electrically conductive material secured in facing engagement with the first layer. The material of the second layer is more rigid than the material of the first...http://www.google.fr/patents/US5524908?utm_source=gb-gplus-shareBrevet US5524908 - Multi-layer EMI/RFI gasket shield
