Description:  These two pictures show a magnetic film etched into square islands. The squares appear ragged in the top picture because each island contains several magnetic domains that flip independently. In the bottom picture, however, the islands are small enough that the grains of material act magnetically as one bit.
Source:  IBM Research
Story:  Bound bits could bring bigger disks
TRN February 28, 2001
TRN Categories:  Semiconductors and Materials; Data Storage Technology
Form:  Still

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