Permanent magnet bulk degausser
US7593210B2 · kind B2 · utility
1Cited by
55References
27Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 1, 2008 |
| Grant date | Sep 22, 2009 |
| Priority date | — |
| Expiry date | Feb 1, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F13/006
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
One or more pairs of magnet assemblages (14 and 16) are provided with magnetized segments (21-30) arranged in a Halbach-like array. The magnet assemblages (14 and 16) define a gap (18) through which magnetic data storage media (12) pass in a direction (20) across the segments (21-30). The magnetized sides (36) of the magnet assemblages (14 and 16) face each other thereby creating strong magnetic fields which degauss the magnetic data storage media (12) passing through the gap (18).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.