Effects of square micro-pillar array porosity on the liquid motion of near surface layer
Qiao Xiaoxi1, †, Zhang Xiangjun2, Chen Ping1, Tian Yu2, Meng Yonggang2
       

(a) Schematic illustration of the square array distributed on QCM chip surface, and the 3D surface images with (b) D = 78 μm, (c) D = 139 μm, (d) D = 179 μm measured by white light interference.