A method of fabricating a high-density magnetic data-storage medium, the method comprising the steps of: (a) forming a plurality of nanodots of non-magnetic material in a regular array on a surface of a substrate, said array being notionally dividable into a plurality of clusters that each comprise a...http://www.google.com.au/patents/US6719841?utm_source=gb-gplus-sharePatent US6719841 - Manufacturing method for high-density magnetic data storage media
