Strain sensor

Details Strain sensor Strain sensor

2008-11-28

2010-12-21

Noori, Max (Department: 2855)

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

Specified electrical sensor or system

C073S760000

Reexamination Certificate

active

07854173

ABSTRACT:
A strain sensor (10) for measuring strain greater than 10%, the sensor (10) comprising: an upper polydimethylsiloxane (PDMS) substrate (20) having measurement electrodes (90) extending therethrough; a lower PDMS substrate (30) bonded to a lower surface of the upper PDMS substrate (20), and an upper surface of the lower PDMS substrate (30) having a patterned portion (50); and a conductive fluid (70) contained within the patterned portion (50) in contact with the measurement electrodes (90).

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patent: 7500399 (2009-03-01), Cheng et al.
patent: 7649595 (2010-01-01), Masutani et al.
patent: 2004/0056673 (2004-03-01), Cram

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