The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 22, 1988
Filed:
May. 22, 1986
Applicant:
Inventors:
John F Moore, Lake Bluff, IL (US);
Richard T Bernardi, Prospect Heights, IL (US);
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01T / ;
U.S. Cl.
CPC ...
2503 / ; 250261 ;
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.