Number | Date | Country | Kind |
---|---|---|---|
7917883 | May 1979 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
3806229 | Schoot et al. | Apr 1974 | |
3854794 | Van Dam | Dec 1974 | |
3912368 | Ponjee et al. | Oct 1975 | |
3950077 | Jasinski | Apr 1976 | |
3961842 | Jasinski | Jun 1976 | |
4116535 | Ponjee et al. | Sep 1978 | |
4117659 | Takeshita | Oct 1978 | |
4192581 | Yaguchi et al. | Mar 1980 | |
4210390 | Yaguchi | Jul 1980 | |
4212518 | Imataki et al. | Jul 1980 | |
4285575 | Imataki et al. | Aug 1981 |
Number | Date | Country |
---|---|---|
52-5684 | Jan 1977 | JPX |
Entry |
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Kawata, T. et al., Japan J. Appl. Phys., vol. 14, No. 5, pp. 725-726, (1975). |