Magnetic recording medium
US6652953B2 · kind B2 · utility
2Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 1999 |
| Grant date | Nov 25, 2003 |
| Priority date | — |
| Expiry date | Jul 28, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic recording medium includes a support, and a single magnetic layer having a thickness of 0.3 &mgr;m or less, which contains nonmagnetic particles. In the magnetic medium, the thickness of the single magnetic layer is equal to or larger than an average particle diameter of the nonmagnetic particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.