Radiant energy – With charged particle beam deflection or focussing – Magnetic lens
Patent
1986-09-12
1988-07-26
Anderson, Bruce C.
Radiant energy
With charged particle beam deflection or focussing
Magnetic lens
3133611, H05B 3126, G21K 108
Patent
active
047602619
ABSTRACT:
An image forming alpha filter having pole pieces with straight edges is disclosed which has good local resolution and very good energy resolution. It includes three deflection regions, which are separated from one another by relatively large interspaces.
REFERENCES:
patent: 4314218 (1982-02-01), Tronc
patent: 4322622 (1982-03-01), Tronc
Lanio Stefan
Rose Harald
Anderson Bruce C.
Carl-Zeiss Stiftung
Ottesen Walter
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