Hitachi design promise to double hard drive capacity

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POSTER: computer news   ||   HITACHI DESIGN PROMISE TO DOUBLE HARD DRIVE CAPACITY	DATE:2013-03-03
Modern magnetic plates for hard drives are the sixth generation.  For 3.5-inch drives, this means that each plate can store 1 TB of data, which corresponds to the data density at 636 Gb / sq.  inch.  The theoretical limit for the PMR-Technology is located at 1 Tbit / sq.  inch.  As an intermediate result can be considered technology, tile the organization tracks (shingled magnetic recording (SMR)), where each next track will be two-thirds of the previous one, but with the implementation of this technology is also not going smoothly, although  Western Digital company promises to release hard drives using this technology by the end of the year.  Fortunately,   Western Digital company has in reserve, another technology that can double the plates volume  , thus exceeding the capabilities of perpendicular recording. These are the release of structured magnetic disk : the surface is prepared in advance in the factories.  At its core, this technology uses nanoprint stamped - nanoprint lithography (nanoimprint lithography).    What is more interesting, structured magnetic plates are designed by Hitachi GST, which has become a year ago a subsidiary of Western Digital.  In 2008, Hitachi GST one of the first to receive the new machines for nanoprint manufactured by Molecular Imprints (Imprio HD 2200).  Now the former HGST engineers working for the glory of Western Digital, and they have something to be proud of.   In collaboration with Molecular Imprints WD have developed technology to produce structured plate, the dimensions of which are 10 nm (approximately 50 atoms in length).  Each allow you to record one bit of data .  Since the recording area separated by a spontaneous demagnetization .  This approach makes it possible to immediately double the density on magnetic platters.  Three-platter and 4, 6 and 8 TB desktop hard drives will no longer be a fantasy.   Breakthrough in the development of structured magnetic surfaces could be by creating a self-assembled polymer structures.  Something similar may occur with the release of semiconductors with the standards below 10 nm.  . Related Products :

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