Patent · US Expired

Integrated substance detection instrument

US5446288A · kind A · utility

27Cited by
9References
12Claims
0Family size

Inventor

Key dates

Filing dateOct 25, 1993
Grant dateAug 29, 1995
Priority date—
Expiry dateOct 25, 2013

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01V5/223
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A portable device used for non-destructive detection of illicit narcotics, or other hydrogen or light element containing substances, includes a weak, self-contained, radioactive source of fast neutrons and a detector for detecting scattered thermal neutrons and gamma rays. The detector design allows it to detect hermetically sealed or unsealed packages of narcotics or other materials concealed behind compartment barriers. The detector can also be used to detect the identity or type of material by simultaneously using both the gamma ray flux and thermal neutrons flux.

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