Magnetic head and magnetic recording and reproducing device
US10186284B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 13, 2017 |
| Grant date | Jan 22, 2019 |
| Priority date | — |
| Expiry date | Sep 13, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/4826
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
According to one embodiment, a magnetic head includes a magnetic pole, and a first shield, and a stacked body provided between the magnetic pole and the first shield. The stacked body includes a first layer, a second layer and a third layer. The first layer includes at least one first element selected from the group consisting of Fe, Co, and Ni. The second layer is provided between the magnetic pole and the first layer, and includes at least one second element selected from the group consisting of Cr, V, Mn, Ti, and Sc. The third layer is provided between the first layer and the first shield, and includes at least one third element selected from the group consisting of Cr, V, Mn, Ti, and Sc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.