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Minimization of erase-band in shingled PMR with asymmetric writer |
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| Authors: | Ikuya Tagawa Yosuke UrakamiMaki Maeda Youji MaruyamaKazue Kudo Hiromi ShiinaMasafumi Mochizuki |
| Affiliation: | a Central Research Laboratories, Hitachi Limited, Odawara 256-8510, Japan b Head Business Group, Hitachi Global Storage Technologies, Odawara, Japan |
| Abstract: | To make the write-field much stronger with sharper cross-track field gradient in Shingled perpendicular Magnetic Recording (SMR), we have successfully developed asymmetric SMR heads with one-side shield design. Using these heads, higher track density capability on the shielded-side was demonstrated, which came from narrower erase-band width at shielded side. |
| Keywords: | SMR Shingled recording Asymmetric head One-side shield Erase-band |
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