Write field measurements of a perpendicular head on a soft underlayer film
We demonstrate a technique to measure the field of a perpendicular head on a soft underlayer. We built a current-perpendicular-to-the-plane giant magnetoresistive sensor deposited on a soft underlayer and placed it on the write-read contact tester. Scanning a perpendicular head over the device with...
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| Veröffentlicht in: | IEEE transactions on magnetics 2006-02, Vol.42 (2), p.163-165 |
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| container_end_page | 165 |
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| container_issue | 2 |
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| container_title | IEEE transactions on magnetics |
| container_volume | 42 |
| creator | Gokemeijer, N.J. Langzettel, A. Covington, M. |
| description | We demonstrate a technique to measure the field of a perpendicular head on a soft underlayer. We built a current-perpendicular-to-the-plane giant magnetoresistive sensor deposited on a soft underlayer and placed it on the write-read contact tester. Scanning a perpendicular head over the device with sub-nm resolution allowed us to map the field spatially and by changing the writer current, obtain saturation curves of both the main pole and the return pole. |
| doi_str_mv | 10.1109/TMAG.2005.861770 |
| format | Article |
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| ispartof | IEEE transactions on magnetics, 2006-02, Vol.42 (2), p.163-165 |
| issn | 0018-9464 1941-0069 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Chemical sensors Contact Cross-disciplinary physics: materials science rheology Deposition Devices Exact sciences and technology Image storage information storage Magnetic field measurement Magnetic flux Magnetic heads magnetic imaging Magnetic recording magnetic recording heads Magnetic sensors Magnetism Materials science Other topics in materials science Perpendicular magnetic recording Physics Poles Saturation Saturation magnetization Scanning Sensors Testing Ultrasonic testing |
| title | Write field measurements of a perpendicular head on a soft underlayer film |
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