Magnetic nanostructures and composites for millimeter wave absorption
US11404793B2 · kind B2 · utility
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Key dates
| Filing date | Dec 12, 2019 |
| Grant date | Aug 2, 2022 |
| Priority date | — |
| Expiry date | Jul 21, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F1/33
- WIPO fieldMicro-structural and nano-technology
- WIPO sectorChemistry
Abstract
A product includes a nanostructure having a core and a shell. The core has a coercive field of at least 3 kOe and the shell has a saturation magnetization of at least 50 emu per gram. A product includes a nanostructure having a core and a shell. The shell has a coercive field of at least 3 kOe and the core has a saturation magnetization of at least 50 emu per gram. A method includes forming core/shell nanostructures and forming millimeter wave absorbers including the core/shell nanostructures and a support structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.