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Review Lab on a chip. 2025 Apr 7. doi: 10.1039/d4lc00836g Q16.12024

Light-based 3D printing and post-treatments of moulds for PDMS soft lithography

基于光的3D打印和用于PDMS软刻蚀模子的后处理技术 翻译改进

Bastien Venzac  1

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作者单位

  • 1 LAAS-CNRS, CNRS, Toulouse, France. bastien.venzac@laas.fr.

    • DOI: 10.1039/d4lc00836g PMID: 40190179

    摘要 中英对照阅读

    Polydimethylsiloxane (PDMS) chips are still the workhorses of academic microfluidics. Their production requires the fabrication of moulds, commonly produced using clean-room technologies. Light-based 3D printing and in particular, vat photopolymerization, material jetting and two-photon polymerization are rising techniques for the fabrication of moulds for PDMS replication, thanks to their accessibility, fast prototyping time, and improving resolution. Here, we are first reviewing the possibility opened by 3D printing for soft lithography, with a focus on mould designs. Then, inhibition of PDMS curing by photosensitive resins will be discussed as the main technical hurdle of 3D printed moulds. Fortunately, mould post-treatments are efficient solutions to eliminate this curing inhibition, which we gathered in a large database of post-treatment protocols from the literature.

    Keywords：light based 3D printing; post treatments; moulds; PDMS soft lithography

    聚二甲基硅氧烷（PDMS）芯片仍然是学术界微流体技术的主力。其生产需要制造模具，这些模具通常使用洁净室技术来制作。基于光的3D打印技术，特别是体积光固化、材料喷射和双光子聚合技术，由于它们易于获取、快速原型制作时间和分辨率不断提高，已成为PDMS复制模具制造中兴起的技术。在这里，我们首先回顾了3D打印为软刻蚀工艺带来的可能性，并重点关注模具设计。然后将讨论感光树脂对PDMS固化的抑制作为3D打印模具的主要技术障碍。幸运的是，模具后处理是解决这种固化抑制的有效方案，我们将文献中的大量后处理协议整理成一个大型数据库。

    关键词：基于光的3D打印; 后处理; 模具; PDMS软光刻技术

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    Copyright © Lab on a chip. 中文内容为AI机器翻译，仅供参考！

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    期刊名：Lab on a chip

    缩写：LAB CHIP

    ISSN：1473-0197

    e-ISSN：1473-0189

    IF/分区：6.1/Q1

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