A method to fabricate high-aspect-ratio microstructures using PMMA photoresist
A method to fabricate high-aspect-ratio microstructures using PMMA photoresist
复制标题
一种利用PMMA光刻胶制造高深宽比微结构的方法
DOI:
10.1007/s00542-017-3490-x
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发表时间:
2018-02
期刊:
影响因子:
--
通讯作者:
Yue Zhou
中科院分区:
文献类型:
--
作者:
Tianchong Zhang;Futing Yi;Bo Wang;Jing Liu;Yuting Wang;Yue Zhou
Fabrications of high-aspect-ratio microstructures (HARMS) using negative photoresist have been studied a lot by researchers recently, but the removal of the resist is still a problem. We report a method to fabricate HARMS using PMMA, a positive photoresist. A classical microstructure, densely packed micro square columns, was tried in our study. A top grid made of negative photoresists was employed to join all the separate parts together to prevent them from tilting or clumping. The development and electroplating processes were not influenced by the top grid. Excellent nickel micro-pores-structures were obtained finally, demonstrating that the method is a promising way to fabricate HARMS especially when the resist needs to be removed.
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发表时间:
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期刊:
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