Stack cap with a non-magnetic layer including ferromagnetic elements
US11120933B1 · kind B1 · utility
0Cited by
22References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 29, 2019 |
| Grant date | Sep 14, 2021 |
| Priority date | — |
| Expiry date | Oct 12, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F10/3272
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A magnetoresistive sensor includes a free layer and a cap over the free layer. The cap includes an upper layer and an insertion layer between the upper layer and the free layer. The insertion layer includes a non-magnetic alloy formed of at least one refractory metal and at least one ferromagnetic metal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.