Abstract:Micro fluid devices using micro bubbles have attracted much attention for their special advantages. In many cases, the bubbles must be constrained to a certain position so as to grow or shrink under control. In this paper, we discuss the effect of step-shape structures in constraining bubbles against the surface force, which plays a dominant role on the micro scale. We fabricate specimens with a step and electrodes and carry out electrolysis experiments in water to observe bubble growth. We observe the constra… Show more
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