Solar cell manufacture
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United States of America Patent
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-
Jul 22, 1986
Grant Date -
N/A
app pub date -
Nov 25, 1983
filing date -
Nov 25, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved solar cell, and method for manufacture, in which a back side reverse p-n junction is formed prior to metallization and a gridded back side metallization material, chosen so that it penetrates the p-n junction where it is present, is fired into the wafer. The finished solar cell has improved efficiency despite the presence of the reverse p-n junction over a majority of the back face surface.
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