METHOD OF MANUFACTURING SOLAR BATTERY, AND METHOD OF MANUFACTURING SUBSTRATE FORMED OF SEMICONDUCTOR MATERIAL

PROBLEM TO BE SOLVED: To provide a method that can appropriately manufacture a solar battery having a substrate formed of a semiconductor material where a texture structure is provided on one principal surface.SOLUTION: A substrate 20 formed of a semiconductor material is immersed into an alkaline e...

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Bibliographic Details
Main Author SOTANI NAOYA
Format Patent
LanguageEnglish
Published 07.10.2013
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Summary:PROBLEM TO BE SOLVED: To provide a method that can appropriately manufacture a solar battery having a substrate formed of a semiconductor material where a texture structure is provided on one principal surface.SOLUTION: A substrate 20 formed of a semiconductor material is immersed into an alkaline etchant 21 and etched in a state that an electric field having a direction component separating from the substrate 20 is generated in a region on an other principal surface 20b of the substrate 20. A photoelectric converter 18 is produced using the etched substrate 10. First and second electrodes 14n and 15p are formed on the photoelectric converter 18.
Bibliography:Application Number: JP20120070508