论文期刊

3 DOF noncontact clamping stage for micro-stereolithography on embedded material




作者: Kun Jia,Zongwei Fan,Keji Yang
发表/完成日期: 2016-10-20
期刊名称: International Journal Of Applied Electromagnetics And Mechanics
期卷:
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论文简介
Abstract. Additive rapid prototyping categorized into fused deposition modeling (FDM) and micro-stereolithography has received
increasing interest in the past decade. Recent advance in FDM enables multiple materials to be printed in the same
layers of a component. However, for micro-stereolithography, it is still a challenge to fabricate complex structure embedded
with another material. In this work, a noncontact ultrasonic clamping stage is proposed for micro-stereolithography to hold
the material or structure encapsulated by photo-curable polymer which will be solidified after exposure to UV light. In order
to achieve this, ultrasound field is generated by three 2 MHz PZT transducers in millimeter sized region of a chamber filled
with photosensitive fluid. Theoretical analysis illustrates that acoustic radiation force and torque will drive micro-particles in
the sound field to force potential minimum and maintain their own equilibrium posture. Finally, rectangular silica particle with
100 μm characteristic length is used to perform the controllability of our device.
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