URL: https://www.researchgate.net/profile/Yusuke-Iguchi-5/publication/303218065/figure/fig1/AS:362210397310986@1463369096865/a-b-Schematics-of-two-Ni-LiNbO-3-hybrid-SAW-devices-used-in-this-study-Rectangular_Q320.jpg
URL2: https://www.researchgate.net/figure/a-b-Schematics-of-two-Ni-LiNbO-3-hybrid-SAW-devices-used-in-this-study-Rectangular_fig1_303218065
