Electron imaging band pass analyser for a photoelectron spectrom

Details Electron imaging band pass analyser for a photoelectron spectrom Electron imaging band pass analyser for a photoelectron spectrom

1992-09-30

1994-06-14

Berman, Jack I.

Radiant energy

Electron energy analysis

250306, 250281, 250294, 250296R, H01J 3705

Patent

active

053212622

ABSTRACT:
A low pass filter for use in an image band pass filter of a photoelectron spectromicroscope incorporating a virtual potential surface for reflecting electrons below a particular energy and a special charged particle trap or super dump for unwanted electrons. The filter construction with the super dump reduces the proportion of elastically and inelastically scattered high energy electron escaping the filter.

REFERENCES:
patent: 3579270 (1971-05-01), Daly et al.
patent: 3774028 (1973-11-01), Daly
patent: 3786359 (1974-01-01), King
patent: 4292519 (1981-09-01), Feuerbaum
patent: 4417175 (1983-11-01), Curren et al.
patent: 4810883 (1989-03-01), Turner
patent: 5166519 (1992-11-01), Turner

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