2007•Unpublished venueRequires access

Considering Van Der Waals Forces in Micromanipulation Design

Lining Sun, Lefeng Wang, Weibin Rong, Liguo Chen

Abstract

Van der Waals interactions are always present in handling micro objects and will influence the whole manipulation process. This paper investigates the effects of van der Waals forces on the design and planning of micromanipulation. Origins of van der Waals interactions are shown first. Van der Waals forces between micro objects of several typical configurations in micromanipulation process are characterized. The related aspects of van der Waals forces are discussed based on the theoretical analysis. Methods of control adhesion induced by van der Waals forces in micromanipulation processes are presented.

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Available abstract

Key concepts: van der Waals force, Hamaker constant, Van der Waals strain, Van der Waals surface, Van der Waals radius, DLVO theory, Theorem of corresponding states, Classical mechanics