Radiography
Patent
·
OSTI ID:5478639
A computerized tomographic apparatus is described in which a wide fan of radiation scans a patient by rotating therearound, the fan being substantially flat and being maintained in alignment with a selected cross-sectional slice of a patient's body. Radiation emergent from the body along many substantially linear paths across the slice is detected by a detector means including a vacuum tube device containing a photo-cathode and, spaced therefrom, semiconductive means. Electrons emitted from the photo-cathode in response to light incident thereon (The light emanating from x-ray sensitive scintillating material) are accelerated towards the semiconductive means and impact thereon causing the generation of electrical signals indicative of the amount of x-radiation falling on the scintillating material.
- Assignee:
- EMI Ltd (United Kingdom)
- Patent Number(s):
- US 4206361
- OSTI ID:
- 5478639
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
550602* -- Medicine-- External Radiation in Diagnostics-- (1980-)
62 RADIOLOGY AND NUCLEAR MEDICINE
COMPUTERIZED TOMOGRAPHY
DESIGN
DIAGNOSTIC TECHNIQUES
ELECTROMAGNETIC RADIATION
ELECTRONIC EQUIPMENT
EQUIPMENT
GAMMA RADIATION
IONIZING RADIATIONS
MEASURING INSTRUMENTS
RADIATION DETECTORS
RADIATIONS
TOMOGRAPHY
X RADIATION
62 RADIOLOGY AND NUCLEAR MEDICINE
COMPUTERIZED TOMOGRAPHY
DESIGN
DIAGNOSTIC TECHNIQUES
ELECTROMAGNETIC RADIATION
ELECTRONIC EQUIPMENT
EQUIPMENT
GAMMA RADIATION
IONIZING RADIATIONS
MEASURING INSTRUMENTS
RADIATION DETECTORS
RADIATIONS
TOMOGRAPHY
X RADIATION