Title:
DETECTION AND MEASUREMENT OF MASS CHANGE USING AN ELECTROMECHANICAL RESONATOR
Document Type and Number:
WIPO Patent Application WO/2010/135435
Kind Code:
A3
Abstract:
A change in impedance of a electromechanical resonating sensor is utilized to detect and/or measure a change in mass accumulated on the sensor. The impedance is monitored at a fixed frequency. The fixed frequency may be at or near the resonance frequency of the sensor. In various configurations, the sensor comprises a quartz crystal microbalance sensor or a piezoelectric cantilever sensor.
Inventors:
MUTHARASAN RAJAKKANNU (US)
XU SEN (US)
SHARMA HARSH (US)
JOHNSON BLAKE N (US)
LAKSHMANAN RAMJI S (US)
XU SEN (US)
SHARMA HARSH (US)
JOHNSON BLAKE N (US)
LAKSHMANAN RAMJI S (US)
Application Number:
PCT/US2010/035422
Publication Date:
February 24, 2011
Filing Date:
May 19, 2010
Export Citation:
Assignee:
UNIV DREXEL (US)
MUTHARASAN RAJAKKANNU (US)
XU SEN (US)
SHARMA HARSH (US)
JOHNSON BLAKE N (US)
LAKSHMANAN RAMJI S (US)
MUTHARASAN RAJAKKANNU (US)
XU SEN (US)
SHARMA HARSH (US)
JOHNSON BLAKE N (US)
LAKSHMANAN RAMJI S (US)
International Classes:
G01G3/16; G01G3/13; G01H13/00; G01N5/00; G01N27/00; G01N29/00
Domestic Patent References:
| WO2007087328A2 | 2007-08-02 |
Foreign References:
| KR100613398B1 | 2006-08-17 | |||
| US5883705A | 1999-03-16 | |||
| JPH06131711A | 1994-05-13 |
Attorney, Agent or Firm:
CALDWELL, John, W. et al. (Cira Centre 12th Floor,2929 Arch Stree, Philadelphia PA, US)
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