Spherical magnetic particles for magnetic recording media
US6372338B1 · kind B1 · utility
20Cited by
12References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 19, 1998 |
| Grant date | Apr 16, 2002 |
| Priority date | — |
| Expiry date | Nov 19, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/257
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A particulate magnetic recording media wherein the magnetic particles are substantially spherical. The spherical particle shape makes possible a media which is magnetically isotropic, well dispersed and low in noise, and free of magnetically inferior broken particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.