The companies achieved the areal density
of 36 million bits per square inch with linear densities of over 511,000 bits per inch, track densities of over 70,400 tracks per inch and data rates of 173 million bits per second (21.
For the past several years, areal density
demonstrations have grown in excess of 100 percent per year.
Hitachi's new areal density
demonstration is not only a testament to the resilience of the 50-year-old technology, but it's also a glimpse into the hard drive crystal ball.
The NEXUS-PVD multi-target system is part of Veeco's expanded PVD/ALD product line which respond to the industry's move to high areal density
perpendicular recording technology.
It is likely that the rate of increase for magnetic disk areal density
will start to drop below historical rates annually, due to the greater difficulty in making the new technology work.
131 billion bits per square inch maximum areal density
that show a doubling of areal density
to over 12Gbits/[inch.
The highest areal density
currently in the marketplace is just over 3 GB/square inch which means that products with StorMedia's 4 gigabit technology will start appearing in 1998.
It has an areal density
of 30Gbit per square inch, and a low power consumption level of 11 watts.
They adopted it for their own needs in order to increase the areal density
of their digital tape media.
Increasing areal density
of newer magnetic hard disk drives requires a more robust error correction code (ECC), and this can be more efficiently applied to 4096 byte sector lengths," explained Dr.
Engineers at companies like IBM continue to increase the areal density
(the amount of data that can be stored in a given amount of physical space) of magnetic platters to the point where projections indicate a few dollars per gigabyte in several years.