Nanoparticle composite material and antenna device and electromagnetic wave absorber using the same
US8475922B2 · kind B2 · utility
6Cited by
6References
11Claims
0Family size
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Key dates
| Filing date | Sep 23, 2010 |
| Grant date | Jul 2, 2013 |
| Priority date | — |
| Expiry date | Jun 3, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2991
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
According to one embodiment, there is provided a nanoparticle composite material, including nanoparticle aggregates in a shape having an average height of 20 nm or more and 2 μm or less and having an average aspect ratio of 5 or more, the nanoparticle aggregates including metal nanoparticles having an average diameter of 1 nm or more and 20 nm or less and containing at least one magnetic metals selected from the group consisting of Fe, Co and Ni and binder existing between the nanoparticle aggregates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.