Apparatus for displaying image produced by electrically charged

Details Apparatus for displaying image produced by electrically charged Apparatus for displaying image produced by electrically charged

1975-04-18

1977-01-18

Borchelt, Archie R.

Radiant energy

With charged particle beam deflection or focussing

With detector

250396R, 250310, 250311, H01J 326

Patent

active

040041492

ABSTRACT:
A beam of electrically charged particles for illuminating a specimen is deflected by a deflection means so that the specimen is scanned with the beam bi-dimensionally. The information signal thus produced by the specimen is detected by a detector means and fed to a display apparatus incorporating therein another deflection means. The information signal is deflected by the latter deflection means to scan the display screen and is displayed thereon as an information image. A wave form of a signal produced in the latter deflection means is detected by a wave form detector means, the output of which is applied to the first mentioned deflection means to thereby deflect the electrically charged particle beam with a signal having a wave form similar to the detected one.

REFERENCES:
patent: 3628009 (1971-12-01), Dol et al.
patent: 3711711 (1973-01-01), Dao et al.
patent: 3714425 (1973-01-01), Someya
patent: 3795809 (1974-03-01), Takashima
patent: 3842272 (1974-10-01), Coates et al.
patent: 3889115 (1975-06-01), Tamura et al.

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