柱镜光栅微结构热压成型技术研究
Research on Hot Pressing Technology of Cylinder Lens Grating Microstructure
DOI: 10.12677/MS.2020.108075, PDF,   
作者: 熊 建, 徐晓霞, 高灵强, 周立权：四川省宜宾普拉斯包装材料有限公司，四川 宜宾
关键词: 柱镜光栅；热压成型；非等温；复制率；宽深比；Cylinder Lens Grating； Hot Pressing； Non-Isothermal； Replication Rate； Aspect Ratio
摘要: 热压成型技术是常用的一种微结构制造技术，因其具有低成本、高分辨率、操作简单等优点而被看作是最具有工业化应用前景的微结构制造方法之一。通过对柱镜光栅微结构热压成型技术研究，采用模具温度低于聚合物PET温度(加热)的非等温滚动热压成型工艺，使得柱镜光栅结构复制率高、成型稳定，成型过程运行速度3.5 m/min，聚合物温度140℃~160℃，脱模无缺陷，工艺稳定可靠；对不同高度和不同宽深比的柱镜光栅微结构模具进行实验，不同线数的微结构光栅，高度越小的微结构越能获得更好的复制效果，宽深比越大的微结构越能获得更好的复制效果。
Abstract: Hot pressing technology is a common manufacturing technology about microstructure. Because of its low cost, high resolution, simple operation and other advantages, it is regarded as one of the most industrial application prospects of manufacturing methods on microstructure. Through the research about the hot pressing technology of cylinder lens grating microstructure, the non-isothermal rolling hot pressing process with mold temperature lower than PET (heating) is adopted to makes the cylinder lens grating structure with high replication rate and stable molding. The operation speed of the molding process is 3.5 m/min, the temperature of PET is 140˚C~160˚C, and the demoulding process is stable and reliable. The microstructure mold of cylinder lens grating on different height and ratio about width depth was tested. The results show that the smaller the height of the grating is the better the replication effect can be obtained. The microstructure with larger aspect ratio can obtain better replication effect.
文章引用：熊建, 徐晓霞, 高灵强, 周立权. 柱镜光栅微结构热压成型技术研究[J]. 材料科学, 2020, 10(8): 619-624. https://doi.org/10.12677/MS.2020.108075

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