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Proceedings Paper

Laser bonding of multilayer polymer microfluidic chips
Author(s): Jianjun Lai; Hui Yuan; Xin-Jian Yi; Sheng Liu
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Paper Abstract

Polymer microfluidic chips have stimulated great instrests in the field of biochemical and medical analysis due to their low prices, easy fabrication and biocompatibility. Recently multilayer microfluidic chips have been fabricated by adhesive bonding to form 3-D multilayer laminate. However adhesive bonding may introduce pollution as well as complexity in coating. A bonding system with compact diode laser is introduced and a novel method based on transparent bonding line for multilayer microfluidic chips is developed. This bonding method is based on transmission laser microwelding technique. In this method, a special colorless dye as laser absorber, thus transparent polymer sheets can be stacked and bonded layer by layer. Initial results and bonding performance have demonstrate the feasibility of this method.

Paper Details

Date Published: 20 January 2005
PDF: 7 pages
Proc. SPIE 5628, Semiconductor Lasers and Applications II, (20 January 2005); doi: 10.1117/12.576711
Show Author Affiliations
Jianjun Lai, Huazhong Univ. of Science and Technology (China)
Hui Yuan, Huazhong Univ. of Science and Technology (China)
Xin-Jian Yi, Huazhong Univ. of Science and Technology (China)
Sheng Liu, Huazhong Univ. of Science and Technology (China)
Wayne State Univ. (United States)

Published in SPIE Proceedings Vol. 5628:
Semiconductor Lasers and Applications II
Jian-quan Yao; Yung Jui Chen; Seok Lee, Editor(s)

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