November 2007
Intermediate to advanced
736 pages
46h 32m
English
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TELLURIUM–SELENIUM ALLOYS
One of the new materials for the storage of information is a polycrystalline tellurium-selenium alloy to which small quantities of other alloys (arsenic, for example) are added to give better control of the melting point and the stability of the material. A thin layer of the alloy is applied to a substrate. A narrow laser beam is used to melt this material locally so that holes are created with the same depth as layer. During the readout process, with a less intense laser beam, the presence or absence of holes produces differences in the reflection of laser light. These differences in reflection represent the information in coded form.
The disc with a tellurium–selenium alloy is ideally suitable for use as a storage ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.