A high-speed router backplane is disclosed. The disclosed construction and layout techniques enable the construction of a reliable, high-layer-count, and economical backplane for routers and the like that use signaling across the backplane at trace speeds of 2.5 Gbps or greater. Specific ranges of differential...http://www.google.de/patents/US7088711?utm_source=gb-gplus-sharePatent US7088711 - High-speed router backplane
