This is a clear-cut example of how companies are burning mid-night oil to boost storage capacities of already densely packed hard disk drives. Recently, Hitachi demoed a new technology (mixture of conventional perpendicular magnetic recording with continuous recording media and a software detection model) through which data can be packed at 610Gbit per inch square. How did Hitachi achieved this density?
The firm developed heads and media with an ultra-narrow track pitch of 65nm to achieve a recording density of 610 Gbit/in2. Development of iterative signal processing technology for high density recording further increased density and capacity.
Wondering what's next? Well, the said technology will enable 2.5x increase in storage capacities of HDDs. Also, with hard drive capacities increasing at a rate of 40% annually, a terabyte hard drive in everyone's desktop or laptop for that matter isn't far away.
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