Reader for magnetic shift register
US8467222B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2011 |
| Grant date | Jun 18, 2013 |
| Priority date | — |
| Expiry date | Oct 30, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C19/0841
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A reader for magnetic shift register is provided. The reader includes a magnetic reference layer, a tunneling layer, a magnetic canceling layer and an isolated layer. The magnetic reference layer and the magnetic canceling layer are respectively configured at different sides of a magnetic track for providing anti-parallel magnetic fields. The magnetic reference layer overlaps the magnetic canceling layer in a perpendicular direction of the magnetic track. The magnetic reference layer electrically connects to a readout circuit. The magnetic canceling layer is floating. The tunneling layer is configured between the magnetic reference layer and the magnetic track for providing a magnetic tunnel junction (MTJ). The isolated layer is configured between the magnetic canceling layer and the magnetic track for avoiding a current in the magnetic track from tunneling to the magnetic canceling layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.