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Design, Automation and Test in Europe (DATE'05) Volume 3
A CMOS-Based Tactile Sensor for Continuous Blood Pressure Monitoring
Munich, Germany
March 07-March 11
ISBN: 0-7695-2288-2
K.-U. Kirstein, ETH Zurich, Switzerland
J. Sedivy, Czech Technical University, Czech Republic
T. Salo, ETH Zurich, Switzerland
C. Hagleitner, IBM Research GmbH, Switzerland
T. Vancura, ETH Zurich, Switzerland
A. Hierlemann, ETH Zurich, Switzerland
A monolithic integrated tactile sensor array is presented, which is used to perform non-invasive blood pressure monitoring of a patient. The advantage of this device compared to a hand cuff based approach is the capability of recording continuous blood pressure data. The capacitive, membrane-based sensor device is fabricated in an industrial CMOS-technology combined with post-CMOS micromachining. The capacitance change is detected by a Σ∆-modulator. The modulator is operated at a sampling rate of 128kS/s and achieves a resolution of 12bit with an external decimation filter and an OSR of 128.
Citation:
K.-U. Kirstein, J. Sedivy, T. Salo, C. Hagleitner, T. Vancura, A. Hierlemann, "A CMOS-Based Tactile Sensor for Continuous Blood Pressure Monitoring," date, vol. 3, pp.210-214, Design, Automation and Test in Europe (DATE'05) Volume 3, 2005
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