Number | Date | Country | Kind |
---|---|---|---|
62-5981 | Jan 1987 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4337525 | Akatsuka | Jun 1982 | |
4360903 | Plachno et al. | Nov 1982 | |
4706218 | Sodd | Nov 1987 | |
4725945 | Kronstadt et al. | Feb 1988 | |
4755971 | Jasmer | Jul 1988 |
Entry |
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Hitachi IC Memory Book, pp. 262-268, Sep. 1985. |