Gamma ray camera methods and apparatus employing cooled scintill

Details Gamma ray camera methods and apparatus employing cooled scintill Gamma ray camera methods and apparatus employing cooled scintill

1986-05-22

1988-03-22

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

250261, G01T 1164

Patent

active

047330821

ABSTRACT:
A method and apparatus for improving the operation of a gamma camera which employs a planar scintillation crystal having a circumferential edge in the form of a mechanism and related method for cooling the crystal by thermally coupling the circumferential edge of the crystal to a heat sink and a mechanism and related method for applying pressure to the circumferential edge of the crystal sufficient to maintain the crystal in compression when cooled and thereby avoid cracking of the crystal due to temperature differentiation across the surface of the crystal.

REFERENCES:
patent: 3859523 (1975-01-01), Wilson et al.
patent: 4484074 (1984-11-01), Eder
patent: 4586785 (1986-05-01), Swinehart

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