Quick-acting electron-optical lenses

H - Electricity – 01 – J

Patent

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Details

313/35.32

H01J 29/56 (2006.01) H01J 3/22 (2006.01) H01J 29/64 (2006.01) H01J 37/141 (2006.01) H01J 37/21 (2006.01)

Patent

CA 1100564

Abstract of the Disclosure An electron-optical lens arrangement for electron beam apparatus having a static and a dynamic focussing lens system, in which the dynamic focussing lens system is situated inside the static focussing lens system.

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