Magnetic recording in patterned media at 5-10 Tb/in 2

Simon John Greaves, Yasushi Kanai, Hiroaki Muraoka

Research output: Contribution to journalArticlepeer-review

32 Citations (Scopus)


In this paper, the feasibility of patterned media systems able to support areal densities of 5-10 Tb/in 2 is examined. The systems considered used only a conventional write head, without additional electromagnetic devices. Despite the use of a shielded head and contact recording it was impossible to discriminate reliably between bits at 10 Tb/in 2. Areal densities of around 5 Tb/in 2 appear feasible, but only if geometrical and material parameter dispersions are minimized. Including such dispersions reduced the maximum areal density to around 4 Tb/in 2.

Original languageEnglish
Pages (from-to)3430-3433
Number of pages4
JournalIEEE Transactions on Magnetics
Issue number11 PART 2
Publication statusPublished - 2008 Nov


  • Bit-patterned perpendicular media (BMP)
  • Heads
  • Magnetic recording
  • Simulation


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