Number | Date | Country | Kind |
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50-34370 | Mar 1975 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3514675 | Purdom | May 1970 | |
3821784 | Heald et al. | Jun 1974 |
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Gulamova et al., "Cadmium Levels in Silicon", Soviet Physics-Semiconductors, vol. 5, No. 4, Oct. 1971, pp. 687-689. |
Lebedev et al. Sov. Physics-Semicond., vol. 2, No. 12, Jun. 1969, pp. 1543-1544. |
Holm-Kennedy et al., Appl. Phys. Lett., vol. 22, No. 4, Feb. 15, 1973, pp. 167-169. |