Magnetic writer pole with a graded magnetic moment
US7609478B2 · kind B2 · utility
8Cited by
15References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2006 |
| Grant date | Oct 27, 2009 |
| Priority date | — |
| Expiry date | Nov 10, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/1278
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic writer includes a write pole configured to reduce a skew effect during writing to a magnetic medium. A trailing portion of the write pole has a magnetic moment greater than a leading portion of the write pole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.