This paper describes an optical method that has been developed to accurately measure shrinkage during the cure of adhesives treated with UV light. The experiment was designed to measure changes in the volume of very small quantities of material appropriate to uses in the fiber-optic and micro-electronic industries. A spot-curing device (EFOS Inc.) was used to deliver a controlled exposure of UV-light with a known distribution of wavelengths to the sample. The results indicate that reproducible values for the volumetric shrinkage can be achieved using spot-curing methods. The technique described in this paper, combined with other experimental measurements under development, will assist in the selection of the appropriate adhesive for specific applications and the curing conditions needed to optimize its final properties.
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December 2002
Technical Papers
Optical Measurements of Shrinkage in UV-Cured Adhesives
A. J. Hudson,
A. J. Hudson
EFOS Inc., Mississauga, Ontario, Canada L5N 6H7
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S. C. Martin,
S. C. Martin
EFOS Inc., Mississauga, Ontario, Canada L5N 6H7
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M. Hubert,
M. Hubert
EFOS Inc., Mississauga, Ontario, Canada L5N 6H7
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J. K. Spelt
J. K. Spelt
Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, Ontario, Canada M5S 3G8
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A. J. Hudson
EFOS Inc., Mississauga, Ontario, Canada L5N 6H7
S. C. Martin
EFOS Inc., Mississauga, Ontario, Canada L5N 6H7
M. Hubert
EFOS Inc., Mississauga, Ontario, Canada L5N 6H7
J. K. Spelt
Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, Ontario, Canada M5S 3G8
Contributed by the Electronic and Photonic Packaging Division and presented at Poly 2000, London, United Kingdom, December 4–5, 2000. Manuscript received at ASME Headquarters, May 2002. Guest Editor: Bernd Michel.
J. Electron. Packag. Dec 2002, 124(4): 352-354 (3 pages)
Published Online: December 12, 2002
Article history
Received:
May 1, 2002
Online:
December 12, 2002
Citation
Hudson , A. J., Martin , S. C., Hubert, M., and Spelt, J. K. (December 12, 2002). "Optical Measurements of Shrinkage in UV-Cured Adhesives ." ASME. J. Electron. Packag. December 2002; 124(4): 352–354. https://doi.org/10.1115/1.1498264
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