Method of making a smooth topography head/disk interface surface on a head with patterned pole
US5613293A · kind A · utility
8Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 1995 |
| Grant date | Mar 25, 1997 |
| Priority date | — |
| Expiry date | Jun 7, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49046
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A thin-film head has patterned pole tips and a smooth interface surface topography which eliminates the accumulation of foreign material around the pole tips.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.