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Okamoto, Yoshifumi Okayama University
Akiyama, Koji Okayama University
Takahashi, Norio Okayama University
It is necessary to develop a write head having a large recording field and small stray field in adjacent tracks and adjacent bits in perpendicular magnetic recording systems. In this paper, a practical three-dimensional topology optimization technique combined with the edge-based finite-element method is proposed. A technique for obtaining a smooth topology is also shown. The optimization of single-pole-type head having a magnetic shield is performed by using the topology optimization technique so that the leakage flux in the adjacent bit can be reduced. A useful shape of the magnetic shield obtained by the proposed technique is illustrated.
three-dimensional (3-D) topology optimization
Digital Object Identifier: 10.1109/TMAG.2006.871422
Published with permission from the copyright holder. This is the institute's copy, as published in Magnetics, IEEE Transactions on, April 2006, Volume 42, Issue 4, Pages 1087-1090.
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