Western Digital ’s Hitachi Global Storage ’s R & D laboratory announced on the 1st that by combining the two technologies of self-assembling molecules and nanoimprinting, they have successfully created large-area high-density storage media, including The width of magnetic islands is only 10nm (one ten billionth of a meter). This width is only equivalent to about 50 molecules side by side, or one hundred thousandth of human hair, and Hitachi has obtained about 100,000 magnetic tracks, which can meet the needs of hard disk production. Hitachi said that the 10nm lattice density they obtained is twice that of the current hard disk technology, and laboratory tests have also demonstrated excellent read and write speeds and data retention capabilities. After expanding to the entire hard disk, nanoimprint technology is expected to get more than one trillion magnetic islands. Hitachi claimed that this achievement will have a profound impact on nano-scale manufacturing, and can greatly reduce the cost of bit-patterned media, thereby greatly increasing the storage density of mechanical hard disks in the next few years. The following picture is the high-density magnetic island obtained by Hitachi through nanotechnology. Each white dot can store one bit of information, and 1.2 trillion white dots per square inch, which is equivalent to almost 1120Gb The maximum storage density of a single-disc 1TB hard disk is only 625Gb per square inch. As a result, a single disc of 2TB will no longer be a dream.
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