Number | Date | Country | Kind |
---|---|---|---|
3142447 | Oct 1981 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3194852 | Lloyd et al. | Jul 1965 | |
3927154 | Carter | Dec 1975 | |
4053559 | Hart et al. | Oct 1977 | |
4348339 | Assmann et al. | Sep 1982 |
Number | Date | Country |
---|---|---|
2855166 | Dec 1978 | DEX |
47-01011 | Jan 1972 | JPX |
970735 | Sep 1964 | GBX |
Entry |
---|
"Solid State Communications", vol. 5, pp. 349-352, 1967, Pergamon Press, Great Britain. |
"Le Journal de Physique", vol. 25, pp. 431-439, 1964. |