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Puncture detecting barrier materials

United States Patent

*** EXPIRED ***
March 31, 1998
View the Complete Patent at the US Patent & Trademark Office
Los Alamos National Laboratory - Visit the Technology Transfer Division Website
A method and apparatus for continuous real-time monitoring of the integrity of protective barrier materials, particularly protective barriers against toxic, radioactive and biologically hazardous materials has been developed. Conductivity, resistivity or capacitance between conductive layers in the multilayer protective materials is measured by using leads connected to electrically conductive layers in the protective barrier material. The measured conductivity, resistivity or capacitance significantly changes upon a physical breach of the protective barrier material.
Hermes; Robert E. (Los Alamos, NM), Ramsey; David R. (Bothel, WA), Stampfer; Joseph F. (Santa Fe, NM), Macdonald; John M. (Santa Fe, NM)
The Regents of the University of California (Oakland, CA)
08/ 653,959
May 28, 1996
This invention was made with Government support under Contract No. W-7405-ENG-36 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.