Method to make PMR head with integrated side shield (ISS)
US8056213B2 · kind B2 · utility
7Cited by
4References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 25, 2008 |
| Grant date | Nov 15, 2011 |
| Priority date | — |
| Expiry date | Jul 12, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49052
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A PMR head comprises a substrate, a magnetic pole formed over the substrate, the pole having a pole tip having a cross-sectional tapered shape wherein the pole tip is surrounded by a write gap layer, an integrated shield comprising side shields on the substrate laterally surrounding the pole tip and a trailing shield overlying the pole tip and integral with the side shields.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.