Patent · US Expired

Calibration source

US4033884A · kind A · utility

9Cited by
3References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 24, 1975
Grant dateJul 5, 1977
Priority date
Expiry dateJan 24, 1995

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG21G4/04
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A Flood Source for calibration of gamma-cameras comprises the nuclide Tellurium-123m in a solution contained uniformly within a liquid-retaining plastics sheet of uniform thickness. The plastics sheet may be enclosed in a protective metallic casing.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.