The DataStore 2K2: A critical look at storage in the new millenium

摘要

The 60 percent compound annual growth rate (CAGR) in areal density—the mantra of the disk drive industry—is a trend so steady that it is tempting to extrapolate it for years to come into the land of NSIC and 500 Gb/in~2. But few things in nature accelerate forever, and saturating effects eventually prevail. Among the limits for density that have been proposed are the superparamagnetic effect, write head inductance, and channel speed.