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ISSN : 1225-0112(Print)
ISSN : 2288-4505(Online)
Applied Chemistry for Engineering Vol.15 No.5 pp.499-502
DOI :

Research Papers : Surface Modification with Self-assembled Monolayers for the Replication of Microstructures Using Hot Embossing Process

Keun Byoung Yoon

Abstract

During the replication of microstructures in polymers by hot embossing, interfacial forces between the master and polymers need to be reduced by an anti-sticking layer inorder to ensure a clean demolding process. This article presents a comparison of the dodecyltrichlorosilane (DDTS) and perfluorooctyl-1H,1H,2H,2H-trichlorosilane (FTCS) self-assembled monolayer (SAM) in terms of the ultra-thin film property and effectiveness as anti-sticking layers for the micro-structured master. Both type of SAMs have been evaluated in several ways, including atomic force microscopy (AFM), contact angle analysis (CAA), electron microprobe analysis (EPMA) and X-ray photoelectron spectroscopy (XPS). Successful anti-adhesion layer on the master is demonstrated under adequate solution reaction conditions.

연구논문 : 핫 엠보싱 공정을 이용한 마이크로 구조물 복제를 위한 마스터 표면개질

윤근병

초록

핫 엠보싱 공정을 이용한 마이크로 구조물의 성형에서 실리콘 마스터 표면에 anti-sticking layer를 형성하여 이형특성을 향상시킬 수 있다. Dodecyltrichlorosilane과 perfluorooctyl-1H,1H,2H,2H-trichlorosilane을 사용하여 self-assembled monolayer (SAM) 형성법으로 마스터 표면을 개질하였다. 두 가지 SAM을 형성시킨 마스터 표면의 접착력이 감소하였으며, 종횡비가 큰 마이크로 구조물 성형이 가능하였다. 마스터 표면의 SAM은 atomic force microcopy (AFM), contact angle analysis, electron microprobe analysis (EPMA), X-ray photoelectron spectroscopy (XPS) 등을 이용하여 분석하였으며, 핫 엠보싱 공정에서 이형특성을 관찰하였다

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