| 摘要 |
The present invention relates to a self-assembly micro blade applied to a micro fan. The micro fan combines at least a self-assembly micro blade and a motor using an actuator as the main body of the micro fan. The self-assembly micro blade includes at least a movable part of a microstructure, at least an elastic joint provided between an outer ring of the micro fan and the movable part. The elastic joint is composed of a polyimide film, which is heated to contract and generate surface tension by using a reflow process so as to lift up the movable part of the microstructure; moreover, the movable part is bent in a curved form through the elastic link exhibits a multi-layer shape by serially connecting at least two movable parts so as to complete the self assembly of the micro blade, thereby increasing air flow rate and improving air flow length.
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