Number | Name | Date | Kind |
---|---|---|---|
5087956 | Katano | Feb 1992 | |
5132282 | Nanman et al. | Jul 1992 | |
5148240 | Ohtsuka et al. | Sep 1992 | |
5517054 | Huang et al. | May 1996 |
Entry |
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Sharma et al; "Effect of rare earth doping on electrical & photoelectrical properties . . . "; Synthetic Metals vol. 80 pp. 249-256; Jul. 15, 1996. |