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Development of a Three Dimensional Passive Lamination Micromixer

[+] Author Affiliations
Tasuku Nakahara, Norifumi Ootani, Toshiyuki Asanuma, Kyohei Terao, Fumikazu Oohira, Takaaki Suzuki

Kagawa University, Takamatsu, Kagawa, Japan

Yoshinori Hagio, Daisuke Hiramaru, Atsuhito Okonogi, Hidetoshi Kotera

Kyoto University, Sakyo-ku, Kyoto, Japan

Paper No. AJK2011-36025, pp. 371-373; 3 pages
  • ASME-JSME-KSME 2011 Joint Fluids Engineering Conference
  • ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 2, Fora
  • Hamamatsu, Japan, July 24–29, 2011
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 978-0-7918-4441-0
  • Copyright © 2011 by JSME


In this paper, we propose a three-dimentional multi-layered flow generator fabricated by inclined UV lithography to expose a single layerded photoresist coated on a patterned mask. To confirm the validity of the proposed generator, we applied the three-layered flow generator as a passive lamination micromixer. By comparing two types of fabricated micromixers, the three-layered micromixer achieves 1.64 times faster mixing rate than a conventional Y-shaped one due to the shortening of the diffusion length. The fabricated flow generator can be applied for a passive micromixer with laminated and/or secondary flows, a sheath flow generator, and a multi-layered emulsion system.

Copyright © 2011 by JSME
Topics: Lamination



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