Characterization of organic film with scanning acoustic microscopy

Chiaki Miyasaka; Jikai Du; Bernhard R. Tittmann

doi:10.1117/12.484113

1 August 2003 Characterization of organic film with scanning acoustic microscopy

Chiaki Miyasaka, Jikai Du, Bernhard R. Tittmann

Proceedings Volume 5046, Nondestructive Evaluation and Health Monitoring of Aerospace Materials and Composites II; (2003) https://doi.org/10.1117/12.484113
Event: NDE for Health Monitoring and Diagnostics, 2003, San Diego, California, United States

Abstract

The present article reports a technique to measure velocity of an organic film deposited on a homogeneous substrate, wherein the thickness of the film and the diameter of the measured area of the specimen are in the order of a few microns. A thinly sliced human kidney was selected as an example of an organic film. The thickness of the specimen was substantially 3 μm. For the substrate, fused quartz was used because its elastic properties are known and stable. The spherical acoustic lens was used to determine the position for measurement. The frequencies at 400 MHz and 600 MHz were used for the measurement and the visualization, respectively. The generation of the Rayleigh waves under the above conditions was simulated by numerical calculations based onthe wave propagation theory for layered media.

Citation Download Citation

Chiaki Miyasaka, Jikai Du, and Bernhard R. Tittmann "Characterization of organic film with scanning acoustic microscopy", Proc. SPIE 5046, Nondestructive Evaluation and Health Monitoring of Aerospace Materials and Composites II, (1 August 2003); https://doi.org/10.1117/12.484113

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