| Presentation | 2014-12-11 Simple modeling of readback response based on granular micro-structure Takuma JIN, Hiroaki MURAOKA, Simon Greaves, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Magnetization transitions, readback waveforms, and transition jitter are formulated for Voronoi modeling using error functions. Suitable coefficients for the error functions are provided by the parameters of the granular media, i.e., average grain diameter and grain size distribution. TEM images of real media are used to confirm the fitted results. Random grain positions and uniform SFD are assumed. Readback waveforms for isolated transitions are calculated by reciprocity. The pulse width, T_<50>, is formulated from the medium parameters and readback conditions. An error function with the same T_<50> and slope at the transition center is a good fit. An analytical expression for jitter noise is presented comprising grain size and track width parameters |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Granular media / Voronoi modeling / Transition shape / Jitter |
| Paper # | MR2014-34 |
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| Conference Information | |
| Committee | MR |
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| Conference Date | 2014/12/4(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
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| Vice Chair | |
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| Paper Information | |
| Registration To | Magnetic Recording (MR) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Simple modeling of readback response based on granular micro-structure |
| Sub Title (in English) | |
| Keyword(1) | Granular media |
| Keyword(2) | Voronoi modeling |
| Keyword(3) | Transition shape |
| Keyword(4) | Jitter |
| 1st Author's Name | Takuma JIN |
| 1st Author's Affiliation | Research Institute of Electrical Communication, Tohoku University() |
| 2nd Author's Name | Hiroaki MURAOKA |
| 2nd Author's Affiliation | Research Institute of Electrical Communication, Tohoku University |
| 3rd Author's Name | Simon Greaves |
| 3rd Author's Affiliation | Research Institute of Electrical Communication, Tohoku University |
| Date | 2014-12-11 |
| Paper # | MR2014-34 |
| Volume (vol) | vol.114 |
| Number (no) | 355 |
| Page | pp.pp.- |
| #Pages | 5 |
| Date of Issue | |