Method and apparatus for characterizing materials by using a mechanical resonator
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United States of America Patent
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Jul 11, 2006
Grant Date -
Apr 22, 2004
app pub date -
Oct 15, 2003
filing date -
Oct 8, 1997
priority date (Note) -
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Abstract
A method and apparatus for measuring properties of a liquid composition includes a mechanical resonator, such as a cantilever, connected to a measurement circuit. The mechanical resonator can be covered with a coating to impart additional special detection propertied to the resonator, and multiple resonators can be attached together as a single sensor to obtain multiple frequency responses. The invention is particularly suitable for combinatorial chemistry applications, which require rapid analysis of chemical properties for screening. In one embodiment, the resonator is operated at a frequency of less than 1 MHz.
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