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August 2, 2017 06:00 pm
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/t7tG572kXWQ/ibm-and-sony-cram-up-to-330-terabytes-into-tiny-tape-cartridge
IBM and Sony Cram Up To 330 Terabytes Into Tiny Tape Cartridge
IBM and Sony have developed a new magnetic tape system capable of storing 201 gigabits of data per square inch, for a max theoretical capacity of 330 terabytes in a single palm-sized cartridge. From a report: To achieve such a dramatic increase in areal density, Sony and IBM tackled different parts of the problem: Sony developed a new type of tape that has a higher density of magnetic recording sites, and IBM Research worked on new heads and signal processing tech to actually read and extract data from those nanometre-long patches of magnetism. Sony's new tape is underpinned by two novel technologies: an improved built-in lubricant layer, which keeps it running smoothly through the machine, and a new type of magnetic layer. Usually, a tape's magnetic layer is applied in liquid form, kind of like paint -- which is one of the reasons that magnetic tape is so cheap and easy to produce in huge quantities. In this case, Sony has instead used sputter deposition, a mature technique that has been used by the semiconductor and hard drive industries for decades to lay down thin films.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/t7tG572kXWQ/ibm-and-sony-cram-up-to-330-terabytes-into-tiny-tape-cartridge
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