发明名称 |
Patterned magnetic recording medium with data island pattern for improved reading and writing and magnetic recording system incorporating the medium |
摘要 |
A patterned magnetic recording medium has discrete data islands arranged in spaced-apart tracks, with the tracks being arranged in multi-track groups or "hypertracks". The islands have an equal island-spacing (IS) distance in the along-the-track direction and within each hypertrack the tracks are spaced-apart an equal track-spacing (TS) distance. If there are N tracks in a hypertrack then the islands in each track of a hypertrack are shifted in the along-the-track direction by 1/N times IS from the islands in adjacent tracks in the same hypertrack. The read and write heads have a lateral or cross-track width generally equal to the cross-track width of a hypertrack, so the read and write heads span all the individual tracks in a hypertrack. The hypertracks are spaced apart cross-track direction by a group-spacing (GS) distance, with GS being greater than TS. The islands in a hypertrack may be shifted in the along-the-track direction by approximately 1/2N times IS from the islands in adjacent hypertracks.
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申请公布号 |
EP1965374(A1) |
申请公布日期 |
2008.09.03 |
申请号 |
EP20070254488 |
申请日期 |
2007.11.16 |
申请人 |
HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V. |
发明人 |
ALBRECHT, THOMAS R.;MOSER, MICHAEL A.;SCHABES, MANFRED ERNST;WU, XIAO Z. |
分类号 |
G11B5/02;G11B5/82 |
主分类号 |
G11B5/02 |
代理机构 |
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