Status and Future of Magnetic Data Storage Technology
نویسنده
چکیده
The areal density of magnetic recording on disc drives has been advancing at a pace in excess of 100% per year in recent years. This has been supported by a continual decrease in media grain size and grain size dispersion and by the use of anti-ferromagnetically coupled (AFC) media. Although it is expected that further gains will be achieved, it is clear that achieving these gains is becoming more difficult, because we are rapidly approaching grain sizes at which the media are approaching thermal instability, even with AFC media.
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