| 发明名称 |
Contact duplication system using anisotropic magnetic recording media |
| 摘要 |
A system for contact duplication is disclosed wherein anhysteretic magnetization of a copy medium occurs using an anisotropic master medium wherein the two media are held in surface contact and an AC bias magnetic field is applied along the hard axis of the master media.
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| 申请公布号 |
US4363038(A) |
申请公布日期 |
1982.12.07 |
| 申请号 |
US19800168675 |
申请日期 |
1980.07.14 |
| 申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
FAYLING, RICHARD E. |
| 分类号 |
G11B5/86;(IPC1-7):G11B5/86;G11B5/74;G06K19/06 |
主分类号 |
G11B5/86 |
| 代理机构 |
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