Paper Title:
Hot-Embossing of Microstructures on Large Area of Polymers
  Abstract

This paper addresses the limitations of current hot embossing machines for mass production applications. It describes the features of a hot embossing machine in terms of machine design for handling large surfaces, embossing head for fast and precise temperature control, and the alignment mechanism for controlling the residual uniformity and planar offsets for producing microstructures uniformly on large area by means of step-and-repeat method. The developed machine demonstrated that microstructures of features size of up to 100µm could be replicated in 250s on PMMA sheet with an electroplated nickel stamp. The linear dimensions of the embossed features however were generally smaller than those in the stamp, which highlighted the importance of precision process control.

  Info
Periodical
Key Engineering Materials (Volumes 447-448)
Edited by
Jianhong Zhao, Masanori Kunieda, Guilin Yang and Xue-Ming Yuan
Pages
483-487
DOI
10.4028/www.scientific.net/KEM.447-448.483
Citation
W. Lin, W. J. Chen, C. M. Kiew, C. L. Ng, H. Luo, C. S. Teo, G. L. Yang, "Hot-Embossing of Microstructures on Large Area of Polymers", Key Engineering Materials, Vols. 447-448, pp. 483-487, 2010
Online since
September 2010
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Price
$32.00
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