Conductive paste and solar cell using the same
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United States of America Patent
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Issued Date -
Oct 18, 2001
app pub date -
Jan 22, 2001
filing date -
Jan 21, 2000
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Abstract
A conductive paste contains conductive powder and an organic vehicle. The conductive powder includes aluminum powder having an average particle diameter of about 2 to 10 .mu.m and having an oxide layer with a thickness of about 2 to 10 nm on the surface thereof. A solar cell includes a silicon substrate having a light-accepting surface, a light-accepting-surface electrode formed on the light-accepting surface of the silicon substrate, and a back-surface electrode formed of the conductive paste described above.
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