Analysis of the meniscus and viscous effects in digital micromirror device

Digital micromirror device (DMD) is the core of digital light processing projected display technology wherein the spring tip-landing site adhesion and wear are the substantial clause leading to failure due to frequent contacts. In an attempt to analyze the adhesive force between the spring tip and the landing site, two main aspects are considered: i.e. the meniscus force and the viscous resistance during separation. The simulation results show that the influences of the surface energy, liquid volume and the separate velocity are prominent. The work will provide some hints for control of adhesive force in DMD components.