Approaching Contact Distance, Rupture Criteria, and Volume Repartition After Separation

Part of the Microtechnology And Mems book series (MEMS)

According to the volume of liquid and the shape of the gripper, the hanging droplet will be transformed into a liquid bridge as soon as the separation between the gripper and the component is smaller than zA, the approaching contact distance. The first problem treated in this chapter is to compute this distance according to the gripper geometry and the volume of liquid V.

The two other problems considered in this chapter are on the one hand the determination of the separation distance (also called the gap) at which the meniscus will break, and on the other hand, the residual volume of liquid remaining on the component after this rupture.


Contact Angle Interfacial Energy Residual Volume Liquid Bridge Rupture Distance 
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© Springer Science+Business Media, LLC 2007

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