Micromachined Force Sensor for Adhesion Force Measurement of Single Gecko Setae

Yiching Liang and Tom Kenny

Stanford University

• ~106 setae per animal, average 4.7 ?m diameter

• Wall climbing mechanisms: Suction, Capillary (wet) adhesion, Micro-interlocking, Electrostatic attraction - NOT;

• van der Waals forces?

MEMS Instrumentation for biomechanics studies (Kenny/Full)

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