Solar cell, method for manufacturing same, and photolithographic mask for use in manufacturing a solar cell
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United States of America Patent
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Nov 27, 2001
Grant Date -
N/A
app pub date -
Oct 5, 1999
filing date -
Jul 27, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A high-quality solar cell is manufactured that prevents contamination of solar cell boundaries. A transparent conductive film, an amorphous silicon film, and a metallic electrode are continuously laminated onto a substrate, and etching is done of the transparent conductive film, the amorphous silicon film, and the metallic electrode, using a photoresist film having stepped thickness to achieve the desired shape. Insulation between solar cell elements is provided via a prescribed protective film, after which an electrically conducive paste is formed so as to make a series connection between solar cell elements.
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