New photomultiplier tubes for medical imaging
In recent years, medical imaging technology has made significant process, and now it plays an important role in medicine and biology. In the field of nuclear medicine, scintillation detectors are widely used as gamma-ray sensors, so that a photomultiplier tube (PMT) is a key component. For it works as a converter from scintillation light to electronic signal with keeping information on gamma-ray energy, time and position on the scintillation event. In positron emission tomography (PET), severe requirements are imposed to PMT's. For high spatial resolution PET, the size and shape should be appropriate to provide a detector ring having closely packed small scintillation crystals. For time-of-flight (TOF) PET, fast timing and high sensitivity for ultra-violet (UV) light are essential needs. At Hamamatsu, the authors have developed more than twenty kinds of PMT's for the PET applications including TOF-PET in this decade. In this paper these major developments of PMT's for the medical imaging are reviewed and the present state of the art is discussed.
- Research Organization:
- Hamamatsu Photonics K.K., 1126-1 Ichino-cho, Hamamatsu 435 (JP)
- OSTI ID:
- 6359300
- Report Number(s):
- CONF-881103-; TRN: 89-009859
- Journal Information:
- IEEE Trans. Nucl. Sci.; (United States), Vol. 36:1; Conference: IEEE nuclear science symposium, Orlando, FL, USA, 9 Nov 1988
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
62 RADIOLOGY AND NUCLEAR MEDICINE
99 GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE
BIOMEDICAL RADIOGRAPHY
DIGITAL SYSTEMS
IMAGE PROCESSING
TECHNOLOGY ASSESSMENT
IMAGE SCANNERS
PHOTOMULTIPLIERS
POSITRON COMPUTED TOMOGRAPHY
CRYSTAL COUNTERS
GAMMA CAMERAS
NUCLEAR MEDICINE
PHOTON EMISSION
SCINTILLATION COUNTERS
SINGLE PHOTON EMISSION COMPUTED TOMOGRAPHY
TIME-OF-FLIGHT METHOD
CAMERAS
COMPUTERIZED TOMOGRAPHY
DIAGNOSTIC TECHNIQUES
EMISSION
EMISSION COMPUTED TOMOGRAPHY
MEASURING INSTRUMENTS
MEDICINE
PHOTOTUBES
PROCESSING
RADIATION DETECTORS
RADIOLOGY
TOMOGRAPHY
440101* - Radiation Instrumentation- General Detectors or Monitors & Radiometric Instruments
550602 - Medicine- External Radiation in Diagnostics- (1980-)
990220 - Computers
Computerized Models
& Computer Programs- (1987-1989)