Paper Title:
Study on Thermal Assisted Direct Bonding of Glasses for Lab-on-Chip Application through Surface Activation Process
  Abstract

Surface treatment before glass bonding is an important and critical issue for glass-based lab-on-chip fabrication. In the present article we verified five different activation methods for obtaining sound thermal assisted direct bonding (TADB) on glasses. Glass surface has been investigated by means of water contact angle, X-ray photoelectron spectroscopy (XPS). The optimum surface activation method for TADB on glasses was found to be H2SO4:H2O2 (3:1 by volume) followed by HNO3. By using the TADB optimized activation method, the glass bonding strength higher than 32MPa was obtained with a glass the roughness of 50 nm.

  Info
Periodical
Edited by
Tianharry Chang
Pages
124-129
DOI
10.4028/www.scientific.net/AMR.327.124
Citation
Q. L. Chen, Q. L. Chen, M. Ferraris, "Study on Thermal Assisted Direct Bonding of Glasses for Lab-on-Chip Application through Surface Activation Process", Advanced Materials Research, Vol. 327, pp. 124-129, 2011
Online since
September 2011
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