Fibers having excellent responsiveness to magnetic fields and excellent conductivity, as well as articles made of the same
US8017233B2 · kind B2 · utility
2Cited by
6References
20Claims
0Family size
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Key dates
| Filing date | May 18, 2004 |
| Grant date | Sep 13, 2011 |
| Priority date | — |
| Expiry date | Jan 15, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2933
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Fibers having excellent responsiveness to magnetic field and conductivity, made of a polymer having fiber forming functions which contains magnetic material particles in spherical form having a saturation magnetic flux density of no less than 0.5 tesla. The fibers can include: (a) the average particle diameter is no greater than 5 μm, (b) the coercive force is no greater than 1000 A/m, and (c) the fibers are complex fibers which are made of magnetic layers that contain 20 wt % to 90 wt % of magnetic material particles, and protective layers where the content of the magnetic material particles is less than 20 wt %.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.