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SubjectRe: [OFFTOPIC] Re: disk head scheduling

On Mon, 22 Mar 1999, Richard B. Johnson wrote:

> > http://www.fujitsu.co.jp/hypertext/hdd/drive/overseas/mpd3xxxah/mpd3xxxah.html
> >
> > 12555 cylinders, 13250 tracks per inch, 269951 bits per inch
> >
>
> Hot damn! You got me. Do you think it's real or virtual. I think they
> include the heads, in other words tracks = cylinders. If not, they have
> a real invention to keep a head centered over a track that is less than
> 1/12555 inch in width (0.00007965 in) think about it.

It's real. For an interesting look at current disk head technology, start
from http://ssdweb01.storage.ibm.com/oem/mrheads/mainmrhead.htm


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