<?xml version="1.0" encoding='utf-8'?>
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN" "http://www.wapforum.org/DTD/wml_1.1.xml">
<wml>
<card id="card1" title="Optical disc - Page 3 - Wikipedia">
<p>
<a accesskey="1" href="page.php?w=optical_disc&amp;p=2">1.Previous</a><br />
<a accesskey="3" href="page.php?w=optical_disc&amp;p=4">3.Next</a>
</p>
<p>a <a href="page.php?w=laser">laser</a> or <a href="page.php?w=Replication_%28optical_media%29">stamping machine</a>, and can be accessed when the data path is illuminated with a <a href="page.php?w=laser_diode">laser diode</a> in an <a href="page.php?w=optical_disc_drive">optical disc drive</a> that spins the disc at speeds of about 200 to 4,000 <a href="page.php?w=RPM">RPM</a> or more, depending on the drive type, disc format, and the distance of the read head from the center of the disc (outer tracks are read at a higher data speed due to higher</p><p>
<a accesskey="1" href="page.php?w=optical_disc&amp;p=2">1.Previous</a><br />
<a accesskey="3" href="page.php?w=optical_disc&amp;p=4">3.Next</a>
</p>

<do type="prev" label="Search">
        <go href="search.wml"/>
</do>

</card>
</wml>
