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Proceedings Paper

Novel methods of bonding solar cells
Author(s): Rob Thomaier
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Paper Abstract

Messy liquid adhesives, short work times, long cure times, difficult clean-up of stray adhesive - all of these are associated with liquid adhesives for bonding solar cells. Current adhesion methods have been in place since the '70s: mix a two-part liquid silicone adhesive, coat a portion of adhesive onto a section of substrate, place the cells in a vacuum bag and wait for the adhesive to cure. Alternatively, one can use a fairly complicated robotic procedure to apply adhesive then fix a cell down and, again, wait for the adhesive to cure. Some difficulties that need to be overcome include balancing the amount adhesive to spread out with the available worktime in order to get all the cells onto the substrate with good adhesion; controlling the bondline; ensuring that the adhesive cures correctly after application; and, finally, if there is any re-work, removing the part from the adhesive without damaging everything around it.

Paper Details

Date Published: 13 September 2011
PDF: 7 pages
Proc. SPIE 8110, Thin Film Solar Technology III, 81100U (13 September 2011); doi: 10.1117/12.892847
Show Author Affiliations
Rob Thomaier, NuSil Technology LLC (United States)

Published in SPIE Proceedings Vol. 8110:
Thin Film Solar Technology III
Louay A. Eldada, Editor(s)

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