Patent Number: 6,257,048
Issued: July 10, 2001
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Sandia National Laboratories
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Abstract: A method and apparatus for measuring surface changes, such as mass uptake at various pressures, in a thin-film material, in particular porous membranes, using multiple differently-configured acoustic sensors.
Hietala; Susan Leslie (Placitas, NM), Hietala; Vincent Mark (Placitas, NM), Tigges; Chris Phillip (Albuquerque, NM)
The United States of America as represented by the United States Department of Energy (Washington, DC)
Application Number: 09/
Filed: June 18, 1999
Government Interests: GOVERNMENT RIGHTS
The United States Government has rights in this invention pursuant to Contract No. DE-AC0494AL85000 between the U.S. Department of Energy (DOE) and Sandia Corporation.