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Microsystem Technologies

Erschienen in:

24.05.2024 | Technical Paper

Fabrication and characterization of controllable micro wavy pattern on cylindrical surface using ultra-precision diamond turning system

verfasst von: Ji-Young Jeong, Dong-Hyun Seo, Eun-Ji Gwak, Doo-Sun Choi, Jun Sae Han, Tae-Jin Je

Erschienen in: Microsystem Technologies | Ausgabe 7/2024

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Abstract

The study investigated the fabrication and characterization of a controllable wavy patterned mold using an ultra-precision diamond machining system. The design method of cutting tool path for controllable wavy pattern on a cylindrical surface, considering the tool radius, was discussed. The target was designed as periodic sine wave and random amplitude wave to develop components for next-generation displays. The effectiveness of the designed tool path was confirmed by comparing the machined surface profiles. The compensated tool path was able to reduce the machined shape error by approximately 50%. The optical characteristics of the machined pattern were analyzed by the luminance distribution of the transmitted laser through the replicated optical film for each machined tool path. When the compensated tool path was applied, a symmetrical distribution line with two spots of higher luminance concentration was observed. Finally, an investigation was conducted on the machinability of controllable randomness for next-generation display components, and their optical characteristics were evaluated.

Vorheriger Artikel Effect of process parameters on filling behavior of PMMA in hot embossing

Nächster Artikel First principle and deep learning based switching property prediction of optical bio-molecular switch

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Titel: Fabrication and characterization of controllable micro wavy pattern on cylindrical surface using ultra-precision diamond turning system
verfasst von: Ji-Young Jeong
Dong-Hyun Seo
Eun-Ji Gwak
Doo-Sun Choi
Jun Sae Han
Tae-Jin Je
Publikationsdatum: 24.05.2024
Verlag: Springer Berlin Heidelberg
Erschienen in: Microsystem Technologies / Ausgabe 7/2024
Print ISSN: 0946-7076
Elektronische ISSN: 1432-1858
DOI: https://doi.org/10.1007/s00542-024-05626-x

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