Magnetic sensor seed layer with magnetic and nonmagnetic layers
US9659585B2 · kind B2 · utility
1Cited by
8References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2011 |
| Grant date | May 23, 2017 |
| Priority date | — |
| Expiry date | Apr 5, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F10/3272
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic sensor has a bottom shield layer, an upper shield layer, and a sensor stack adjacent the upper shield layer. The sensor includes a seed layer between the bottom shield layer and an antiferromagnetic layer of the sensor stack. The seed layer has a magnetic layer adjacent the sensor stack and a nonmagnetic layer adjacent the bottom shield layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.