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100 gigabits per square inch? Is this credible? According to my calculations, this means that each bit occupies a space 0.08 micrometres x 0.08 micrometres, assuming it's square. Just to situate what this means, this is in the order of magnitude of the wavelength of visible light or the size of the very finest smoke particle. Is it possible for a magnetic head, not even in contact with the surface, to be positioned so precisely and to write/read such a tiny area of magnetic field?
In practical terms, if it were possible, it would be possible to build a 30 Gb drive with one single-sided disk.
So, I suppose that the Ruthenium "pixie dust" platters will soon render all of our existing hard drives "ruthless", eh? I suspect that they got the pixie dust from the guys at area 51, though. That's where all the Krell metal and integrated circuit technology came from, too, isn't it?
Sounds like the Ruthenium "pixie dust" is just the trick that makes "vertical recording" practical. This was to be the "next big thing" about six or eight years ago before IBM came out with MR and GMR recording heads that dominate today and postponed the need for vertical recording.
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