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Title: Method and apparatus for measuring surface changes, in porous materials, using multiple differently-configured acoustic sensors

Patent ·
OSTI ID:873832

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.

Research Organization:
Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)
DOE Contract Number:
AC04-94AL85000
Assignee:
United States of America as represented by United States Department (Washington, DC)
Patent Number(s):
US 6257048
OSTI ID:
873832
Country of Publication:
United States
Language:
English

References (1)

Sensor array and catalytic filament for chemical analysis of vapors and mixtures journal January 1990