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Title: Machining of lenticular lens silicon molds with a combination of laser ablation and diamond cutting
Authors: Han, J 
Li, L 
Lee, W 
Issue Date: 2019
Source: Micromachines, 2019, v. 10, no. 4, 250
Abstract: Lenticular lenses are widely used in the three-dimensional display industry. Conventional lenticular lens components are made of plastics that have low thermal stability. An alternative is to use glass to replace plastic as the lenticular lens component material. Single crystal silicon is often used as the mold material in the precision glass molding process. It is, however, difficult to fabricate a lenticular lens silicon mold that has a large feature size compared to the critical depth of cut of silicon. In order to solve the problems of machining lenticular lens silicon molds using the conventional diamond cutting method, such as low machining eficiency and severe tool wear, a hybrid machining method that combined laser ablation and diamond cutting was proposed. A feasibility study was performed to investigate the possibility of using this method to fabricate a lenticular lens silicon mold. The influence of the laser parameters and machining parameters on the machining performance was investigated systematically. The experimental results indicated that this hybrid machining method could be a possible method for manufacturing lenticular lens silicon molds or other similar microstructures.
Keywords: Diamond cutting
Hybrid machining
Laser ablation
Lenticular lens
Single crystal silicon
Publisher: Molecular Diversity Preservation International (MDPI)
Journal: Micromachines 
ISSN: 2072-666X
DOI: 10.3390/mi10040250
Rights: © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
The following publication Han J, Li L, Lee W. Machining of Lenticular Lens Silicon Molds with a Combination of Laser Ablation and Diamond Cutting. Micromachines. 2019; 10(4):250 is available at https://doi.org/10.3390/mi10040250
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