Solar cell and composition used for manufacturing solar cell
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United States of America Patent
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Apr 23, 2013
Grant Date -
Oct 7, 2010
app pub date -
Nov 27, 2008
filing date -
Dec 11, 2007
priority date (Note) -
Expired
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Abstract
A paste-like composition for a solar cell provided by the present invention contains a mixed aluminum powder prepared by mixing a small particle diameter aluminum powder, which has a D50 of particle size distribution based on laser diffraction of 3 μm or less and a ratio of D10 to D90 (D10/D90) of 0.2 or more, and a large particle diameter aluminum powder, which has a D50 that is 2 to 6 times the D50 of the small particle diameter aluminum powder and a ratio of D10/D90 of 0.2 or more.
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