Curved Film Microstructure Arrays Fabricated via Mechanical Stretching.

Qiushu Zhang, Bei Peng, Mengqi Chu, Pan Wen, Song Wang, Jintao Xu

Abstract read

In one paragraph

Article in Micromachines, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

6 authors.

Qiushu ZhangSchool of Mechanical and Electrical Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China.

Bei PengSchool of Mechanical and Electrical Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China.

Mengqi ChuSchool of Mechanical and Electrical Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China.

Pan WenSchool of Mechanical and Electrical Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China.

Song WangSchool of Mechanical and Electrical Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China.

Jintao XuSchool of Mechanical and Electrical Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China.

Funding

National Natural Science Foundation of China 51675088

6 · The paper itself

Abstract

We report on curved film microstructure arrays fabricated through polydimethylsiloxane (PDMS) film buckling induced by mechanical stretching. In the process of the microstructure preparation, a PDMA film is glued on a bidirectionally prestretched PDMS sheet that has a square distributed hole array on its surface. After releasing the prestrain, the film microstructure array is created spontaneously. The fabricated microstructures possess a spherical surface and demonstrate very good uniformity. The film microstructure arrays can serve as microlens arrays with a focal length of 1010 μm. The microstructure formation mechanism is investigated via theoretical analysis and numerical simulation. The simulation results agree well with the experimental results. The prestrain applied by mechanical stretching during the fabrication has an important effect on the shape of the resulting film microstructures. The microstructure geometry can be easily tuned through controlling the applied prestrain.

Indexed as

film bucklingmechanical stretchingmicrostructure arraysPDMS

Identifiers

PMID34832694

DOI10.3390/mi12111281

PMCPMC8617774

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