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Microfabrication of UV transparent fluoric polymer using a conventional pulsed green laser
Author(s): M. Takeuchi; Y. Hanada
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Paper Abstract

We present the surface microfabrication of CYTOP, an amorphous UV transparent fluoric polymer, using a conventional pulsed green laser. Fluorine-based polymers have unique characteristics, including high transparency from the deep-UV to the IR wavelengths, chemical stability and low refractive indices, and thus are expected to have a number of industrial applications. However, CYTOP and other fluoric polymers are generally very difficult to microfabricate unless to use high particle beams. Therefore, we have developed a technique for the crack-free surface microfabrication of a CYTOP substrate based on ablation with a pulsed green laser followed by successive wet etching and annealing. In this work, the fundamental surface characteristics of the fabricated area were investigated. After the surface microfabrication of CYTOP, a three dimensional biochip was fabricated using a conventional PDMS bonding technique to demonstrate that a CYTOP biochip is superior to conventional transparent biochips with regard to the microscopic observation of cell motion.

Paper Details

Date Published: 16 February 2018
PDF: 6 pages
Proc. SPIE 10519, Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXIII, 1051919 (16 February 2018); doi: 10.1117/12.2286857
Show Author Affiliations
M. Takeuchi, Hirosaki Univ. (Japan)
Y. Hanada, Hirosaki Univ. (Japan)


Published in SPIE Proceedings Vol. 10519:
Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXIII
Beat Neuenschwander; Costas P. Grigoropoulos; Tetsuya Makimura; Gediminas Račiukaitis, Editor(s)

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