Number | Date | Country | Kind |
---|---|---|---|
79 31483 | Dec 1979 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
3713908 | Agusta et al. | Jan 1973 | |
3846192 | Murrmann | Nov 1974 | |
3919060 | Pogge et al. | Nov 1975 | |
3954523 | Magdo et al. | May 1976 | |
3980507 | Carley et al. | Sep 1976 | |
4016017 | Aboat et al. | Apr 1977 |
Number | Date | Country |
---|---|---|
2633134 | DEX |
Entry |
---|
IBM Technical Disclosure Bulletin, vol. 20, No. 6, Nov. 1977, New York (US), C. H. Lee, "Self-Aligning Subcollector and Isolation Regions in a Semi-Conductor Transistor", pp. 2233-2234. |