Laser bonding of multilayer polymer microfluidic chips

Jianjun Lai; Hui Yuan; Xin-Jian Yi; Sheng Liu

doi:10.1117/12.576711

20 January 2005 Laser bonding of multilayer polymer microfluidic chips

Jianjun Lai, Hui Yuan, Xin-Jian Yi, Sheng Liu

Proceedings Volume 5628, Semiconductor Lasers and Applications II; (2005) https://doi.org/10.1117/12.576711
Event: Photonics Asia, 2004, Beijing, China

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.

Citation Download Citation

Jianjun Lai, Hui Yuan, Xin-Jian Yi, and Sheng Liu "Laser bonding of multilayer polymer microfluidic chips", Proc. SPIE 5628, Semiconductor Lasers and Applications II, (20 January 2005); https://doi.org/10.1117/12.576711

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