Differential/dual CPP recording head
US7436632B2 · kind B2 · utility
54Cited by
18References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 2004 |
| Grant date | Oct 14, 2008 |
| Priority date | — |
| Expiry date | Oct 27, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/3954
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic sensor for reading information from a magnetic medium. The magnetic sensor includes a bottom electrode and a first sensor disposed above the bottom electrode. The magnetic sensor also includes a middle electrode disposed above the first sensor, a second sensor disposed above the middle electrode and a top electrode disposed above the second sensor. The bottom electrode, the middle electrode and the top electrode are utilized to electrically connect the first sensor and the second sensor in parallel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.