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双光子吸收光聚合微制造研究

Research of Micro-fabrication with Two Photon Absorption Photopolymerization
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摘要 基于双光子吸收微制造原理和自制双光子微制造系统,对不同激光功率和不同曝光时间下,轴承的微加工成型性进行了研究。在photomer 3015树脂内实现了轴承的双光子聚合微加工,通过SEM分析了滚动轴承的微观形貌。结果表明,在同一激光功率下,轴承的成型与曝光时间无关,但曝光时间过长,会影响制件的成型性;在同一曝光时间下,激光功率过小,光敏材料聚合不充分,功率过大会造成材料温度过高而无法成型;在激光功率为0.3mW,曝光时间为6ms时,所制备的轴承轮廓清晰。微小轴承总加工时间与激光功率无关,与曝光时间呈线性关系。 Based on the theory of two photon absorption (TPA) micro-fabrication and the homemade two photon micro-fabrica- tion system, the micro-fabrication formability of the bearing is studied under different laser power and different exposure time. Two photon polymerization (TPP) of the bearing is achieved in photomer 3015 resin, and its micro morphology is analyzed by SEM. The results show that under the same laser power, the bearing forming has nothing to do with the exposure time, but if the exposure time is too long and the part formability can be affected. Under the same exposure time, if the laser power is too small, the photochromics polymerization is not sufficient. If the power is too big, it will cause the material temperature too high and the material can't be formed. When the laser power is 0.3 mW and the exposure time is 6 ms, the outline of the fabri cated bearing is clear. The total fabrication time of the bearing has nothing to do with the laser power, and it has a linear rela- tion with the exposure time.
作者 崔联合
出处 《应用激光》 CSCD 北大核心 2016年第6期754-759,共6页 Applied Laser
基金 江苏省高校优秀中青年教师和校长境外研修计划资助项目(2012)
关键词 双光子吸收 光聚合 微制造 two photon absorption photopolymerization micro-fabrication
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