Magnetic transfer apparatus
US6924951B2 · kind B2 · utility
0Cited by
1References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 8, 2004 |
| Grant date | Aug 2, 2005 |
| Priority date | — |
| Expiry date | Mar 8, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/82
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic transfer apparatus for transferring patterned information formed on a surface of a master disk to a magnetic recording medium as a slave disk placed in intimate contact with the surface of the master disk by applying a magnetic field to the disks, which comprises: a magnet; a first holder for holding the master disk and the slave disk; and a second holder facing the first holder, the first holder being supported by a supporting member, the magnet being disposed on only an outer side of the second holder, and the second holder being formed solely of a lid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.