Paper Title:
Convenient Method to Fabricating Complicated Microstructures on Thermoplastics
  Abstract

In this paper, a new method to fabricate various microstructures on thermoplastics by soft lithography is demonstrated. Varied line width and varied line depth microstructures that are frequently used in micro optical products, are obtained by micromolding with simple pattern stamps. This has not been reported previously. In the new method, the variations of the line widths and depths can be adjusted by changing the side shape and the curvature of the stamp. Factors, such as temperature, pressure and the degree of crystallinity on the product qualities are analyzed. Results show that besides suitable temperature and pressure, which are important for obtaining consistent microstructures; lower crystallinity can also help for better product qualities. Optical, SEM and AFM analyses show the new method can fabricate varied line width and varies line depth microstructures with desired accuracy and features. The method proposed in this work may find potential applications in producing micro products in areas such as sensors, biochips and non-linear optical devices.

  Info
Periodical
Materials Science Forum (Volumes 532-533)
Edited by
Chengyu Jiang, Geng Liu, Dinghua Zhang and Xipeng Xu
Pages
685-688
DOI
10.4028/www.scientific.net/MSF.532-533.685
Citation
B. K. Jin, K. L. Yung, Y. Xu, C. Y. Chan, "Convenient Method to Fabricating Complicated Microstructures on Thermoplastics", Materials Science Forum, Vols. 532-533, pp. 685-688, 2006
Online since
December 2006
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Price
$32.00
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