Magnetic memory device and method for manufacturing the same
US10453545B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 8, 2018 |
| Grant date | Oct 22, 2019 |
| Priority date | — |
| Expiry date | Mar 8, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C11/161
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
According to one embodiment, a magnetic memory device includes a first magnetic portion extending in a first direction, a first magnetic layer, and a first nonmagnetic layer provided between the first magnetic layer and a portion of the first magnetic portion. The first magnetic portion has a first surface. The first surface includes bottom portions, and top portions. The bottom portions and the top portions are arranged alternately in the first direction. The bottom portions include a first bottom portion, a second bottom portion adjacent to the first bottom portion in the first direction, a third bottom portion, and a fourth bottom portion adjacent to the third bottom portion in the first direction. The top portions include a first top portion provided between the first bottom portion and the second bottom portion, and a second top portion provided between the third bottom portion and the fourth bottom portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.