ecording disk drive with patterned disk having capping layer for suppression of surface diffusion of trench materialUS7851779Aug 6, 2007Dec 14, 2010Agency For Science, Technology And ResearchMedium for use in data storage, thermal energy storage and other applications, with functional layer made of different materialsUS7948700 *May 27, 2008May 24, 2011Samsung Electronics Co., Ltd.Bit patterned med