A compressible domed contact used as a portion of socket contact within an electrical socket to eliminate co-planarity issues and to achieve an effective electrical connection between the electrical socket and a microelectronic device. The compressible domed contact may be made of resilient material...http://www.google.de/patents/US7234947?utm_source=gb-gplus-sharePatent US7234947 - Electrical socket with compressible domed contacts
