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Fabrication of well-defined mushroom-shaped structures for biomimetic dry adhesive by conventional photolithography and molding.

Fabrication of well-defined mushroom-shaped structures for biomimetic dry adhesive by... Biomimetic dry adhesives have many attractive features, such as reversible and repeatable adhesion against various surfaces. This paper presents a method for the simple fabrication of biomimetic dry adhesives composed of a mushroom-shaped structure, which is based on conventional photolithography and molding. Firstly a masked and a maskless exposure are performed on the top and bottom of a photoresist, respectively, that generates microholes with an undercut after development. This structured photoresist is then used for molding, leading to mushroom-shaped structural features after sacrificing the photoresist. Because of the convenience of photolithography, the proposed method has the potential to fabricate various dry adhesives cost-efficiently. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png ACS Applied Materials & Interfaces Pubmed

Fabrication of well-defined mushroom-shaped structures for biomimetic dry adhesive by conventional photolithography and molding.

ACS Applied Materials & Interfaces , Volume 6 (4): -2204 – Oct 15, 2014

Fabrication of well-defined mushroom-shaped structures for biomimetic dry adhesive by conventional photolithography and molding.


Abstract

Biomimetic dry adhesives have many attractive features, such as reversible and repeatable adhesion against various surfaces. This paper presents a method for the simple fabrication of biomimetic dry adhesives composed of a mushroom-shaped structure, which is based on conventional photolithography and molding. Firstly a masked and a maskless exposure are performed on the top and bottom of a photoresist, respectively, that generates microholes with an undercut after development. This structured photoresist is then used for molding, leading to mushroom-shaped structural features after sacrificing the photoresist. Because of the convenience of photolithography, the proposed method has the potential to fabricate various dry adhesives cost-efficiently.

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ISSN
1944-8244
DOI
10.1021/am4052393
pmid
24527733

Abstract

Biomimetic dry adhesives have many attractive features, such as reversible and repeatable adhesion against various surfaces. This paper presents a method for the simple fabrication of biomimetic dry adhesives composed of a mushroom-shaped structure, which is based on conventional photolithography and molding. Firstly a masked and a maskless exposure are performed on the top and bottom of a photoresist, respectively, that generates microholes with an undercut after development. This structured photoresist is then used for molding, leading to mushroom-shaped structural features after sacrificing the photoresist. Because of the convenience of photolithography, the proposed method has the potential to fabricate various dry adhesives cost-efficiently.

Journal

ACS Applied Materials & InterfacesPubmed

Published: Oct 15, 2014

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