Detector for back-scattered electrons

Details Detector for back-scattered electrons Detector for back-scattered electrons

1986-01-13

1987-10-13

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

250310, 2504831, G01T 120, G01N 23203

Patent

active

047000759

ABSTRACT:
A detector for back-scattered electrons includes a scintillator crystal and a light-conducting device for directing away the secondary radiation to a receiver. The light-conducting device is placed against the scintillator crystal in such a way that the secondary radiation is directed away symmetrically to two lines of symmetry. The two lines of symmetry are located in the plane of the scintillator crystal and are at right angles to one another. In this way, a uniform illumination of the scanned image is obtained.

REFERENCES:
patent: 4177379 (1979-12-01), Furukawa et al.
patent: 4217495 (1980-08-01), Robinson
patent: 4438332 (1984-03-01), Lichtenegger
patent: 4560882 (1985-12-01), Barbaric et al.

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