Fujitsu Group and Kanagawa Academy of Science and Technology Successfully Fill Anodic Alumina Nano-holes with Cobalt
Tokyo, June 29, 2005 (JCN) - Yamagata Fujitsu, Fujitsu Laboratories, and the Kanagawa Academy of Science and Technology have jointly succeeded in filling up anodic alumina nano-holes with cobalt, a magnetic metal.
The partners have developed a technology to linearly align alumina nano-holes by creating irregularities at intervals of 45nm on the aluminum surface in a linear fashion.
They have discovered that nano-holes are created in concaves and they are not created in convexities.
The joint research group has applied electroplating to fill the nano-holes with cobalt.
The technology will pave the way for developing an ultra-high-density recording medium capable of recording 1-bit of data in a magnetic nano-hole.
The partners are aiming to achieve a recording density of 1 Tbit per sq. inch.
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