Method for manufacturing a pole for a magnetic recording head
US8424192B1 · kind B1 · utility
147Cited by
20References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 8, 2005 |
| Grant date | Apr 23, 2013 |
| Priority date | — |
| Expiry date | Apr 12, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49052
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and system for manufacturing a pole on a recording head is disclosed. The method and system include sputtering at least one ferromagnetic layer and fabricating a hard mask on the ferromagnetic layer. The method and system also include defining the pole and depositing a write gap on the pole. A portion of the pole is encapsulated in an insulator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.