Free layer for CPP GMR having iron rich NiFe
US7390529B2 · kind B2 · utility
43Cited by
6References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 26, 2004 |
| Grant date | Jun 24, 2008 |
| Priority date | — |
| Expiry date | Mar 17, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49044
- WIPO fieldMicro-structural and nano-technology
- WIPO sectorChemistry
Abstract
By using a free layer that includes a NiFe layer containing between 65 and 72 atomic percent iron, an improved CPP GMR device has been created. The resulting structure yields a higher CPP GMR ratio than prior art devices, while maintaining free layer softness and acceptable magnetostriction. A process for manufacturing the device is also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.