Number | Name | Date | Kind |
---|---|---|---|
3617817 | Kawakatsu et al. | Nov 1971 | |
3628105 | Sarai et al. | Dec 1971 | |
3893159 | Martin | Jul 1975 | |
4200880 | Frey | Apr 1980 | |
4417392 | Ibrahim et al. | Nov 1983 | |
4551747 | Gilbert et al. | Nov 1985 | |
4827082 | Horiuchi et al. | May 1989 |
Number | Date | Country |
---|---|---|
53-31672 | Oct 1977 | JPX |
62-26846 | Feb 1987 | JPX |
2-97041 | Apr 1990 | JPX |
Entry |
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IBM TDM vol. 23 No. 3 Aug. 1980, C-4 Package for Programmable Read-Only Memory, S. B. Greenspan. |