According to the company, the high storage density of more than a terabit was reached by using individual silicon tips to create pits approximately 10 nm in diameter, which is 50,000 times smaller than the period at the end of this sentence. Experimental chips have been designed comprising 4096 of these tips arrayed in a small 6.4 mm x 6.4 mm square. These dimensions make it possible to pack an entire high-capacity storage system into the SD flash memory format package.
Don't expect to see this to buy for at least another two or three years, though.
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