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Fujitsu hikes HDD density to 300Gb/inch2

Posted: 16 May 2002 ?? ?Print Version ?Bookmark and Share

Keywords:HDD technology? CPP mode? GMR head?

Fujitsu Ltd has further enhanced its latest read-head and media technologies with hard-disk drive (HDD) recording densities of up to 300Gb/inch2.

Fujitsu's latest HDD technology features a Current-Perpendicular-to-Plane (CPP) mode Giant Magneto-Resistive (GMR) head that is said to be able to deliver more playback output levels compared to that of current HDDs by allowing current to flow perpendicular to the GMR element.

Fujitsu explains that existing GMR read heads operating in the current-in-plane mode are considered to have a limit of about 100Gb/inch2 in density due to their small signal output level. The company's CPP GMR head having a 300Gb/inch2 density limit, is expected to be more sensitive to data signals, resulting in increased recording density.

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