Abstract:This study presents a novel design and fabrication process to realize an on-chip micro ball bearing. The ball bearing consists of a polymer-Si-polymer outer-race (stator), and a suspended polymer-Si-polymer inner-disk (rotor) supported by polymer micro-balls. The outer-race and inner-disk are demolded from silicon mold, which is patterned by wet isotropic etching on double-polished 525 μm-thick silicon wafer. The liquid phase photocurable polymer balls are dispensed by commercial dispenser with a hundred micro… Show more
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