Magnetic writer including an electroplated high moment laminated pole
US7777989B2 · kind B2 · utility
7Cited by
11References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 12, 2006 |
| Grant date | Aug 17, 2010 |
| Priority date | — |
| Expiry date | Dec 4, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/3143
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic writing pole writes perpendicularly to a magnetic medium. The writing pole includes a multilayer structure with alternately electroplated magnetic layers and electroplated non-magnetic layers. The writing pole has a down-track thickness near the magnetic medium of less than about 500 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.