Photovoltaic element having a back side transparent and electrically conductive layer with a light incident side surface region having a specific cross section and a module comprising said photovolatic element
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United States of America Patent
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Oct 31, 2000
Grant Date -
N/A
app pub date -
Oct 28, 1998
filing date -
Oct 29, 1997
priority date (Note) -
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Abstract
A photovoltaic element having a specific transparent and electrically conductive layer on a back reflecting layer, said transparent and electrically conductive layer comprising a zinc oxide material and having a light incident side surface region with a cross section having a plurality of arcs arranged while in contacted with each other, said arcs having a radius of curvature in the range of 300 .ANG. to 6 .mu.m and an angle of elevation from the center of the curvature in the range of 30 to 155.degree., and said cross section containing regions comprising said plurality of arcs at a proportion of 80% or more, compared to the entire region of the cross section.
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