40TB HDD by 2020 using a new heat-assistance head

TDK introduce on a show room a new technology for storing data on HDDs, the new technology uses heats with magnetic traditional storing using a heat-assistance head, thanks to only 10nm light spot used which is 1/10 of current blue-ray spot diameter, TDK developed the new device called near-field light generator, will this save the future of HDDs Vs SSD ?

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