Posted by: ithoughti
Quote:
To be accurately recorded and read, the more closely-packed perpendicular bits also require a closer association between the read/write head and the recording media. Hitachi achieved the 230 Gb/in2 density by manipulating the head and media so that the distance between them is a mere 10 nanometers or 1/10,000th of a human hair.
Quote:
http://www.newsbug.net/news/2005-04-05/h.php