Protected transducer for dead layer reduction
US9058823B2 · kind B2 · utility
0Cited by
10References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 13, 2009 |
| Grant date | Jun 16, 2015 |
| Priority date | — |
| Expiry date | Oct 19, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/3163
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A transducer includes magnetic material formed on a substrate that is shaped to include a trailing edge, a leading edge and a pair of opposing sidewalls extending between the trailing edge and the leading edge. A layer of protective material is positioned in contact with each of the pair of sidewalls of the shaped magnetic material. Backfill material surrounds the protective material on each of the pair of sidewalls of the shaped magnetic material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.