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IPA 저온 접합법을 이용한 PMMA micro CE chip의 제작Fabrication of PMMA micro CE chip using IPA assisted low-temperature bonding

Other Titles
Fabrication of PMMA micro CE chip using IPA assisted low-temperature bonding
Authors
차남구박창화임현우조민수박진구
Issue Date
Feb-2006
Publisher
한국재료학회
Keywords
Hot Embossing; PMMA (polymethylmethacrylate); Capillary Electrophoresis; Plastic Chip; Thermal Bonding; IPA (isopropyl alcohol)
Citation
한국재료학회지, v.16, no.2, pp.99 - 105
Indexed
KCI
Journal Title
한국재료학회지
Volume
16
Number
2
Start Page
99
End Page
105
URI
https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/45288
DOI
10.3740/MRSK.2006.16.2.099
ISSN
1225-0562
Abstract
This paper reports an improved bonding method using the IPA (isopropyl alcohol) assisted low-temperature bonding process for the PMMA (polymethylmethacrylate) micro CE (capillary electrophoresis) chip. There is a problem about channel deformations during the conventional processes such as thermal bonding and solvent bonding methods. The bonding test using an IPA showed good results without channel deformations over 4 inch PMMA wafer at 60 oC, 1.3 bar for 10 minutes. The mechanism of IPA bonding was attibuted to the formation of a small amount of vaporized acetone made from the oxidized IPA which allows to solvent bonding. To verify the usefulness of the IPA assisted low-temperature bonding process, the PMMA micro CE chip which had a 45 μm channel height was fabricated by hot embossing process. A functional test of the fabricated CE chip was demonstrated by separation of fluorescein and dichlorofluorescein. Any leakage of liquids did not found during the test and the electropherogram result was successfully achieved. An IPA assisted low-temperature bonding process could be an easy and effective way to fabricate the PMMA micro CE chip and would help to increase the yield.
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COLLEGE OF ENGINEERING SCIENCES > DEPARTMENT OF MATERIALS SCIENCE AND CHEMICAL ENGINEERING > 1. Journal Articles

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Park, Jin Goo
ERICA 공학대학 (DEPARTMENT OF MATERIALS SCIENCE AND CHEMICAL ENGINEERING)
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