Abstract
Quantized magnetic disks (QMDs) consisting of longitudinal single-domain Ni bars with densities from 3 Gbits/in2 to 10 Gbits/in2 were fabricated using nanoimprint lithography and a lift-off process. Two different types of MFM tips were used in the writing and reading process, one for erasing and writing, another for reading; both were magnetically 'hard'. The QMDs were first erased by aligning all bars with the write-tip scanning the entire sample, then written using lithography software in NanoScope III. Error-free results were obtained up to 7.5 Gbits/in2 despite the poorly-defined magnetic field from the write-tip and despite not having a feedback control for the write-tip position.
Original language | English (US) |
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Pages (from-to) | 3019-3021 |
Number of pages | 3 |
Journal | IEEE Transactions on Magnetics |
Volume | 33 |
Issue number | 5 PART 1 |
DOIs | |
State | Published - 1997 |
Externally published | Yes |
All Science Journal Classification (ASJC) codes
- Electronic, Optical and Magnetic Materials
- Electrical and Electronic Engineering