A CMOS Micromachined Capacitive Tactile Sensor With High-Frequency Output

Abstract

This paper describes the design and characterization of a CMOS-micromachined tactile sensing device that can be utilized for fingerprint recognition. The complete post micromachining steps are performed at die level without resorting to a wafer-level process, providing a low-cost solution for production. The micromechanical structure has an area of 200 mum… (More)

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