Microfabrication of dual-opposite electrodes inside a microchannel by means of multiphase laminar flow with density difference
- Authors
- Paek, Seung Ho; Yang, Wonseok; Kim, Jong Sun; Hwang, Chul Jin; Choi, Young Ki; Kim, Dong Sung
- Issue Date
- Aug-2011
- Publisher
- INST ENGINEERING TECHNOLOGY-IET
- Citation
- MICRO & NANO LETTERS, v.6, no.8, pp 678 - 681
- Pages
- 4
- Journal Title
- MICRO & NANO LETTERS
- Volume
- 6
- Number
- 8
- Start Page
- 678
- End Page
- 681
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/21387
- DOI
- 10.1049/mnl.2011.0277
- ISSN
- 1750-0443
- Abstract
- An alignment-free and low-cost microfabrication technique for dual-opposite silver electrodes inside a polydimethylsiloxane (PDMS) microchannel is presented using multiphase fluids with density difference in a laminar flow regime without a photolithographic process. The electrode patterns were created using chemical deposition at the interface between a silver electroless plating solution (denser fluid) and a reducer solution (less dense fluid). The gravitational force induced by the density difference causes a slight rotation of the interface in the downstream direction, thereby resulting in the dual-opposite electrodes having individual electrical connection patterned on the top and bottom walls of the PDMS microchannel.
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Collections - College of Engineering > School of Mechanical Engineering > 1. Journal Articles
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