This invention provides novel high density memory devices that are electrically addressable permitting effective reading and writing, that provide a high memory density (e.g., 1015 bits/cm3), that provide a high degree of fault tolerance, and that are amenable to efficient chemical synthesis and chip...http://www.google.es/patents/US7061791?utm_source=gb-gplus-sharePatente US7061791 - High density molecular memory device
