Number | Name | Date | Kind |
---|---|---|---|
3768150 | Sloan, Jr. et al. | Oct 1973 | |
3865648 | Castrucci et al. | Feb 1975 | |
3999215 | Aagaard | Dec 1976 | |
4005470 | Tucci et al. | Jan 1977 | |
4038680 | Yagi et al. | Jul 1977 | |
4043849 | Kraft et al. | Aug 1977 | |
4045251 | Graul et al. | Aug 1977 | |
4047975 | Widmann | Sep 1977 | |
4076556 | Agraz-Guerena et al. | Feb 1978 |
Entry |
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Berger et al., "Base Ring Transistor--," IBM-TDB, 14 (1971), 302. |