Number | Date | Country | Kind |
---|---|---|---|
1-153773 | Jun 1989 | JPX | |
1-184479 | Jul 1989 | JPX | |
1-310033 | Nov 1989 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3932025 | Lakatos et al. | Jan 1976 | |
3957349 | Nelson | May 1976 | |
4831452 | Takanashi | May 1987 |
Entry |
---|
Journal of Applied Physics, vol. 47, No. 2, Feb. 1976, pp. 584-590. |
Soviet Technical Physical Letter, vol. 14, No. 1, Jan. 19, 1988, pp. 56-58, American Institute of Physics. |