Readout system for multi-crystal gamma cameras

Patent · Tue Jun 09 04:00:00 EDT 1987

OSTI ID:6317421

Derenzo, S E

This patent describes a radioisotope camera, including: a plurality of scintillation elements in close proximity to each other and arranged in N rows and M columns, N and M being integers, each scintillation element being capable of converting gamma-ray radiation to optical radiation, of solid state photodetectors arranged in N rows and M columns and positioned to receive optical radiation directly from the scintillation elements, there being one photodetector associated with each of the scintillation elements, each of the photodetectors being positioned to receive optical radiation from only the scintillation element with which it is associated. N + M amplifiers, one amplifier associated with each row of the photodetectors and one amplifier associated with each column of the photodetectors, connecting means connecting the photodetectors to the amplifiers so that an amplifier associated with any row of photodetectors will respond to detection of optical radiation of any of the photodetectors in that row, and so that an amplifier associated with any column of photodetectors will respond to detection of optical radiation of any of the photodetectors in that column, position logic means for determining from the responses of the row and column amplifiers the particular row and column of a photodetector receiving optical radiation from the scintillation element with which it is associated.

• Assignee: Dept. of Energy, Washington, DC
• Patent Number(s): US 4672207
• OSTI ID: 6317421
• Country of Publication: United States
• Language: English

Related Subjects

440101* -- Radiation Instrumentation-- General Detectors or Monitors & Radiometric Instruments
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
AMPLIFIERS
CAMERAS
ELECTRONIC EQUIPMENT
EQUIPMENT
GAMMA CAMERAS
MEASURING INSTRUMENTS
PHOTODETECTORS
POSITIONING
RADIATION DETECTORS
READOUT SYSTEMS
SCINTILLATION COUNTERS