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About

Ville Liimatainen is a researcher specializing in microfluidics, surface engineering, and micro-assembly technologies, with particular expertise in wetting phenomena and capillary-driven self-alignment systems. His most influential contribution, "Controlling Liquid Spreading Using Microfabricated Undercut Edges" (2013), has garnered 48 citations and introduced a purely topographical approach to liquid spreading control — eliminating the need for chemical surface treatments by exploiting strategically designed undercut edges. This work demonstrated the feasibility of patterning multiple droplets with precise geometries and achieving highly anisotropic wetting at scale, representing a significant advancement in passive microfluidic control. Beyond wetting physics, Liimatainen has made notable contributions to micro-assembly, investigating how capillary self-alignment forces can complement robotic pick-and-place systems to improve throughput and accuracy when handling ultra-thin, fragile dies for 3D microsystem integration. His hybrid microassembly research explored the precision limits of positioning microscale components using jagged edge patterns and fluid-confined alignment, while earlier work demonstrated cost-effective laser micro-machining for creating hydrophobic-hydrophilic surface patterns to drive self-alignment. Together, these contributions reflect a cohesive research vision: harnessing surface and fluidic phenomena to solve practical challenges in microfabrication and miniaturized system assembly.