Number | Date | Country | Kind |
---|---|---|---|
8-325184 | Dec 1996 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3495890 | Pluta | Feb 1970 | |
3558210 | Smith | Jan 1971 | |
3876289 | DeVeer et al. | Apr 1975 | |
4964707 | Hayashi | Oct 1990 | |
5559630 | Ho et al. | Sep 1996 |
Number | Date | Country |
---|---|---|
61-181920 | Aug 1986 | JPX |
0735982 | Feb 1995 | JPX |
Entry |
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Optica Atca, 1972, vol. 19, No. 12, 1015-1026, "Differential Interference Contrast Microscope with Continuously Variable Wavefront Shear and Pupilar Compensation", (M. Pluta Central Optical Laboratory, Warsaw, Poland). |