Coil structure for write head
US9159340B1 · kind B1 · utility
2Cited by
43References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 28, 2014 |
| Grant date | Oct 13, 2015 |
| Priority date | — |
| Expiry date | Aug 28, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/313
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A write head having a main pole having a pole tip, the main pole having a leading side and a trailing side; and a coil structure around the main pole, the coil structure having no more than two active turns on the trailing side. A non-active, or dummy turn, may be present.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.