Master carrier for magnetic transfer
US7630153B2 · kind B2 · utility
0Cited by
3References
12Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 27, 2004 |
| Grant date | Dec 8, 2009 |
| Priority date | — |
| Expiry date | Aug 27, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/865
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A master carrier for magnetic transfer, has: a support having an information writing region where a projection transfer pattern having a first projection is formed, the first projection corresponding to information to be transferred onto a magnetic recording medium; and a magnetic layer on the transfer pattern of the support,
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.