Figure 5 | Scientific Reports

Figure 5

From: Flexible surface acoustic wave resonators built on disposable plastic film for electronics and lab-on-a-chip applications

Figure 5

The effect of the thickness of ZnO film on the resonant responses of the Rayleigh wave and the Lamb wave of the flexible Al/ZnO/polyimide SAW devices with a wavelength of 12 μm for (a) the Rayleigh wave and (b) the Lamb wave; A wavelength of 16 μm was used for (c) the Rayleigh wave and (d) the Lamb wave.

The SAW devices have 20 pairs of IDT fingers. (the different spectra are presented on top of each other for clarity).

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