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Open AccessArticle

Sub-Micrometer Size Structure Fabrication Using a Conductive Polymer

by 1,*,†, 1,†, 2 and 1
1
Faculty of Engineering, Tokyo Polytechnic University, 1583 Iiyama Atsugi, Kanagawa 243-0297, Japan
2
Graduation School of Engineering, Tokyo Polytechnic University, 1583 Iiyama Atsugi, Kanagawa 243-0297, Japan
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editor: Cheng Luo
Micromachines 2015, 6(1), 96-109; https://doi.org/10.3390/mi6010096
Received: 16 October 2014 / Accepted: 24 December 2014 / Published: 29 December 2014
(This article belongs to the Special Issue Micro/Nano Fabrication)
Stereolithography that uses a femtosecond laser was employed as a method for multiphoton-sensitized polymerization. We studied the stereolithography method, which produces duplicate solid shapes corresponding to the trajectory of the laser focus point and can be used to build a three-dimensional (3D) structure using a conductive polymer. To achieve this, we first considered a suitable polymerization condition for line stereolithography. However, this introduced a problem of irregular polymerization. To overcome this, we constructed a support in the polymerized part using a protein material. This method can stabilize polymerization, but it is not suited for building 3D shapes. Therefore, we considered whether heat accumulation causes the irregular polymerization; consequently, the reduction method of the repetition rate of the femtosecond laser was used to reduce the heating process. This method enabled stabilization and building of a 3D shape using photo-polymerization of a conductive polymer. View Full-Text
Keywords: stereolithography; conductive polymer; multi-photon; femto second laser; protein; repetition rate stereolithography; conductive polymer; multi-photon; femto second laser; protein; repetition rate
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MDPI and ACS Style

Sone, J.; Yamada, K.; Asami, A.; Chen, J. Sub-Micrometer Size Structure Fabrication Using a Conductive Polymer. Micromachines 2015, 6, 96-109. https://doi.org/10.3390/mi6010096

AMA Style

Sone J, Yamada K, Asami A, Chen J. Sub-Micrometer Size Structure Fabrication Using a Conductive Polymer. Micromachines. 2015; 6(1):96-109. https://doi.org/10.3390/mi6010096

Chicago/Turabian Style

Sone, Junji; Yamada, Katsumi; Asami, Akihisa; Chen, Jun. 2015. "Sub-Micrometer Size Structure Fabrication Using a Conductive Polymer" Micromachines 6, no. 1: 96-109. https://doi.org/10.3390/mi6010096

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