Solar cell and solar cell manufacturing method
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United States of America Patent
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Jul 28, 2015
Grant Date -
Nov 4, 2010
app pub date -
Dec 26, 2007
filing date -
Dec 26, 2006
priority date (Note) -
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Abstract
A solar cell with a simple configuration and high efficiency, and a manufacturing method therefor are provided. A solar cell of the present invention includes a semiconductor substrate that has a first surface receiving sunlight and a second surface on the back side of the first surface and that includes a through hole passing through between the first surface and the second surface; and a first electrode that includes a main electrode portion containing a glass component and formed on the first surface of the semiconductor substrate and a conducting portion electrically connected to the main electrode portion, formed in the through hole of the semiconductor substrate, and having a lower glass-component content than the main electrode portion.
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