Radiant energy – Inspection of solids or liquids by charged particles – Electron microscope type
Patent
1978-12-05
1980-11-11
Dixon, Harold A.
Radiant energy
Inspection of solids or liquids by charged particles
Electron microscope type
250306, G01M 2300
Patent
active
042335108
ABSTRACT:
Two marks of variable positions are displayed in superposition on the image of a specimen. The distance between two points on the specimen corresponding respectively to the marks is calculated on the basis of the magnification of the image of the specimen. The distance thus calculated is multiplied by a predetermined coefficient.
REFERENCES:
patent: 4039829 (1977-08-01), Kato et al.
Dixon Harold A.
Hitachi , Ltd.
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