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Analysis of the Effects of Interior Aperture Angle on Print Quality in Solder Paste Stenciling

  • K. Monaghan (a1), L. Head (a1), C. Sahay (a1) and J. Constable (a1)

Abstract

Stencil apertures of various interior angle, i.e. angle between two sides of a polygon, are analyzed for print performance. Aperture size and sidewall taper are also examined for their individual and combined effects on printing. The results show no effect of interior angle within the bounds of the experiment. Sidewall taper becomes relevant when aperture geometry is nearly square.

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1 Lau, John H., editor, Handbook of Fine Pitch Surface Mount Technology.
2 Ogata, S., “Rheology and Printibility of Solder Paste,” IEICE Transactions, August 1991.
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12 Kibbler, K., Master's Thesis, Binghamton University, 1994.

Analysis of the Effects of Interior Aperture Angle on Print Quality in Solder Paste Stenciling

  • K. Monaghan (a1), L. Head (a1), C. Sahay (a1) and J. Constable (a1)

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