Number | Date | Country | Kind |
---|---|---|---|
62-162886 | Jun 1987 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4164781 | Brown | Aug 1979 | |
4300174 | Harman et al. | Nov 1981 | |
4466025 | Soejima | Aug 1984 | |
4638472 | Ogata et al. | Jan 1987 | |
4644419 | Iinuma et al. | Feb 1987 | |
4656533 | Sakai et al. | Apr 1987 | |
4799115 | Rogers et al. | Jan 1989 | |
4813011 | Kulakowski et al. | Mar 1989 |
Number | Date | Country |
---|---|---|
61-39910 | Feb 1986 | JPX |
61-39911 | Feb 1986 | JPX |
Entry |
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Toshiba Review No. 154 Winter 1985, Barium Ferrite Perpendicular Recording Floppy Disk. |
IEEE Transactions on Magnetics, vol. Mag-22, No. 5, Sep. 1986, High Density Recording Characteristics for Ba-Ferrite Flexible Disks. |