Method of making tomogram and apparatus

Details Method of making tomogram and apparatus Method of making tomogram and apparatus

1976-07-02

1977-08-02

Smith, Alfred E.

Radiant energy

Inspection of solids or liquids by charged particles

Analyte supports

250446, A61B 602

Patent

active

040398374

ABSTRACT:
Method and apparatus for making a tomogram according to this invention include one elongated support member supporting an X-ray tube and a film device in an opposed relation with each other at both ends thereof and one vertical shaft supporting the elongated support member thereon. Movement of the axis of the shaft along a desired curve results in the movement of an X-ray beam in the state of the X-ray beam intersecting the curve. In the meantime, an angle of rotation around the axis of the shaft is adjusted so as to maintain an angle of intersection of the X-ray beam with the curve at a predetermined angle. A film surface is moved relatively with respect to the X-ray beam so as to allow the beam to scan the film surface. The velocity of movement of the film surface is synchronized with the movement of the shaft. In the invention, the aforementioned movement of the shaft along the curve, the aforementioned angle of rotation of the shaft and the aforementioned movement of the film surface are respectively controlled or adjusted by digital signals.

REFERENCES:
patent: 3737660 (1973-06-01), Ando et al.

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