Pole design optimization of shielded planar writer for 2   Tbit / in 2 recording

A shielded planar head with a multi-step-tapered main pole assuming ion-beam milling fabrication was studied to obtain a large recording field along with suppressed fringing field. The head main pole with a three-step-tapered structure was optimized in terms of the top, main, and bottom slope angles...

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Published inJournal of applied physics Vol. 105; no. 7; pp. 07B728 - 07B728-3
Main Authors Yamakawa, Kiyoshi, Ohsawa, Yuichi, Greaves, Simon, Muraoka, Hiroaki
Format Journal Article
Published American Institute of Physics 19.03.2009
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Abstract A shielded planar head with a multi-step-tapered main pole assuming ion-beam milling fabrication was studied to obtain a large recording field along with suppressed fringing field. The head main pole with a three-step-tapered structure was optimized in terms of the top, main, and bottom slope angles. The optimized head showed a remarkably suppressed fringing field compared with a conventional single-step-tapered pole head. The recording simulation suggests that the head has the potential for 2   Tbit / in 2 recording in combination with a bit patterned medium.
AbstractList A shielded planar head with a multi-step-tapered main pole assuming ion-beam milling fabrication was studied to obtain a large recording field along with suppressed fringing field. The head main pole with a three-step-tapered structure was optimized in terms of the top, main, and bottom slope angles. The optimized head showed a remarkably suppressed fringing field compared with a conventional single-step-tapered pole head. The recording simulation suggests that the head has the potential for 2   Tbit / in 2 recording in combination with a bit patterned medium.
Author Ohsawa, Yuichi
Yamakawa, Kiyoshi
Muraoka, Hiroaki
Greaves, Simon
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Cites_doi 10.1109/TMAG.2006.878818
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Mochizuki, M.; Nishida, Y.; Kawato, Y.; Okada, T.; Kawabe, T.; Yakano, H. 2001; 235
Yamakawa, K.; Ise, K.; Takahashi, S.; Honda, N.; Ouchi, K. 2008; 320
Ohsawa, Y.; Yamakawa, K.; Muraoka, H. 2008; 44
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  publication-title: IEEE Trans. Magn.
  doi: 10.1109/TMAG.2006.878818
  contributor:
    fullname: Ise, K.; Takahashi, S.; Yamakawa, K.; Honda, N.
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  publication-title: IEEE Trans. Magn.
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  doi: 10.1016/j.jmmm.2008.07.045
  contributor:
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