Abstract
ABSTRACT In this paper, we propose the tilted milling method for the fabrication of the precise microlens array (MLA) by eliminating the influence of tool error. In the conventional milling process, the surface morphology problem especially hump formation is often provoked by tool error on the center area of the machined surface. The hump formation initiated by tool error is very difficult to remove, unless the cutting tool is replaced by a new one. It was found that the hump formation was completely suppressed by the tilted milling method which the tool-axis angle is tilted by 35° to the on-axis of lens curvature. The form accuracy of the MLA was also drastically improved the peak-to-valley ratio from (0.991 to 0.141) µm. The tilted milling method was confirmed to be a highly robust fabrication process, because the surface morphology was rarely affected by tool error, especially the run-out deviation.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
