Number | Date | Country | Kind |
---|---|---|---|
8-068789 | Mar 1996 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4101813 | Parker et al. | Jul 1978 | |
4137459 | Albrecht et al. | Jan 1979 | |
4362942 | Yasuda | Dec 1982 | |
4438336 | Riecke | Mar 1984 | |
5304811 | Yamada et al. | Apr 1994 | |
5412277 | Chen | May 1995 | |
5610475 | Chen | Mar 1997 | |
5635719 | Petric | Jun 1997 | |
5757010 | Langner | May 1998 |
Entry |
---|
Hajime Ohiwa, "Moving Objective Lens and the Fraunhofer Condition for Pre-deflection", OPTIK, vol. 53, No. 1, 1979, pp. 63-68. |
Teruo Hosokawa, "Systematic Elimination of Third Order Aberrations in Electron Beam Scanning System", OPTIK, vol. 56, No. 1, 1980, pp. 21-30. |