Re: material of HDs?

[kyriann@blackhole.nyu.edu (Jimmy Kyriannis)]

In article <389C8E7B.5A9EBA91@ripco.com>,
Jonathan Schattke  <wizwom@ripco.com> wrote:
>Of course not!  Nickel and Cobalt are both para-magnetic materials, and they
>would interfere with the action of the read/write heads.
>
>The platter in a Hard Disk is made of aluminum alloy.
>
>-- 
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Yes, however, lightweight HD platters have been made from glass, with an
aluminized coating.


Jimmy