Number | Date | Country | Kind |
---|---|---|---|
57-125266 | Jul 1982 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3076060 | Horstkorta | Jan 1963 | |
3685171 | Kosaka | Aug 1972 | |
3900889 | Broghammer | Aug 1975 | |
4135218 | Nakamura et al. | Jan 1979 | |
4475137 | Yasuda et al. | Oct 1984 |
Number | Date | Country |
---|---|---|
023067 | Jan 1981 | EPX |
52-010712 | Jan 1977 | JPX |
54-073616 | Jun 1979 | JPX |
55-052560 | Apr 1980 | JPX |
Entry |
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Yasuda et al., "Newly Developed Sendust Video Head for High Coercive Tape", IEEE Transactions on Magnetics, vol. MAG-16, No. 5, Sep. 1980, pp. 870-872. |
Bendson, "New Wear-Resistant Permalloy Material for Magnetic Recording-Heat Application", Journal of the Audio Engineering Society, vol. 24, No. 7, Sep. 1976, pp. 562-567. |