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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Kaneko, M. Yoshimura, S. Fujita, G. Kobayashi, S. |
| Copyright Year | 1965 |
| Abstract | Causes of data errors by DWDD and dominant noise factors which determine the density are discussed. Dropout of data mainly occurs during readout by domain wall displacement at mark length less than 110 nm. The bit shift causes serious data error when window width is shorter than 70 nm. A novel method has been introduced to analyze the jitter by reading the signal many times for the same area and by averaging the waveform. The space-dependent jitter obtained by averaging is 8.8 nm and is greater than the time-dependent jitter of 6.7 nm caused by the shot noise, the laser noise, and the system noise as well as caused by the fluctuation of the domain wall displacement. Comparison with the ordinary structured MO media has revealed that a bit length of 77 nm will be available when the space-dependent jitter is reduced to 3.8 nm which is the value for ordinary structured media. |
| Sponsorship | IEEE Magnetics Society |
| Starting Page | 2266 |
| Ending Page | 2270 |
| Page Count | 5 |
| File Size | 170606 |
| File Format | |
| ISSN | 00189464 |
| Volume Number | 36 |
| Issue Number | 5 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2000-09-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Magnetooptic recording Perpendicular magnetic recording Magnetic domains Magnetic anisotropy Perpendicular magnetic anisotropy Magnetic separation Jitter Magnetic materials Coercive force Magnetic domain walls |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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