H - Electricity – 01 – J
Patent
H - Electricity
01
J
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.
316378
Beisswenger Siegfried
Hell (rudolf) (dr.-Ing) G.m.b.h.
Ridout & Maybee Llp
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