Abstract
The resolution improvement of isolated magnetization transition with shielded pole writer was investigated with a two-dimensional (2-D) finite-element method (FEM) calculation using a media model. Two kinds of single-pole type (SPT) head were used in the calculation. The medium coercivity was varied from 3000 Oe to 9000 Oe. The transition parameter πa was improved from 56.80 nm (Hc = 3000 Oe) to 7.14 nm (He = 9000 Oe) using the regular SPT head, however a significant reduction was achieved from 26.32 nm (Hc = 3000 Oe) to 5.26 nm (Hc = 9000 Oe) using the front yoke head with high gradient. The recording resolution can be improved with the front yoke head for a large range of media.
Original language | English |
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Pages (from-to) | 2365-2367 |
Number of pages | 3 |
Journal | IEEE Transactions on Magnetics |
Volume | 40 |
Issue number | 4 II |
DOIs | |
Publication status | Published - 2004 Jul |
Externally published | Yes |
Keywords
- Field gradient
- Perpendicular magnetic recording
- Recording resolution
- Single-pole type (SPT) head
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Electrical and Electronic Engineering