【摘 要】
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Background,Motivation and Objective In this paper we present high-frequency GHz ultrasonic interrogation of surface ultrasonic impedance for imaging fingerprints(Figure 1a).Previously we have investig
【机 构】
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Electrical and Computer Engineering,Cornell University,USA
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Background,Motivation and Objective In this paper we present high-frequency GHz ultrasonic interrogation of surface ultrasonic impedance for imaging fingerprints(Figure 1a).Previously we have investigated the use of high frequency(＞1GHz) ultrasonic generation and detection within silicon chips.
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