Method and apparatus for processing a video signal from a scanni

Details Method and apparatus for processing a video signal from a scanni Method and apparatus for processing a video signal from a scanni

1974-03-26

1976-03-16

Borchelt, Archie R.

Radiant energy

Inspection of solids or liquids by charged particles

Electron microscope type

178 68, H01K 3726

Patent

active

039448290

ABSTRACT:
A scanning electron microscope for displaying a scanning image utilizing a time distributed pulsed video signal. The low frequency noises in the pulsed signal are deleted according to the occurrence of sudden pulse intensity variation between adjacent video pulse signals.

REFERENCES:
patent: 3549883 (1970-12-01), Morris et al.
patent: 3614311 (1971-10-01), Fujiyasu et al.
patent: 3783281 (1974-01-01), Crewe
patent: 3829691 (1974-08-01), Hufnagel

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