Microwave-assisted magnetic recording with collocated microwave and write fields
US8422159B2 · kind B2 · utility
30Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 4, 2009 |
| Grant date | Apr 16, 2013 |
| Priority date | — |
| Expiry date | Nov 18, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2005/0024
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Methods and devices are provided for microwave-assisted magnetic recording with collocated microwave and write fields. An illustrative device includes a magnetic write pole and one or more alternating-field components. The magnetic write pole is configured for providing a magnetic write field. The one or more alternating-field components are disposed to at least partially coincide with the magnetic write pole. The one or more alternating-field components are configured to provide an alternating magnetic field having a microwave frequency and an orientation that is at least partially transverse to the magnetic write field.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.