Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tatsuya Takamoto0
Takaaki Agui0
Date of Patent
February 10, 2009
0Patent Application Number
108054190
Date Filed
March 22, 2004
0Patent Primary Examiner
Patent abstract
On a surface of a GaAs substrate, layers to be a top cell are formed by epitaxial growth. On the top cell, layers to be a bottom cell are formed. Thereafter, on a surface of the bottom cell, a back surface electrode is formed. Thereafter, a glass plate is adhered to the back surface electrode by wax. Then, the GaAs substrate supported by the glass plate is dipped in an alkali solution, whereby the GaAs substrate is removed. Thereafter, a surface electrode is formed on the top cell. Finally the glass plate is separated from the back surface electrode. In this manner, a compound solar battery that improves efficiency of conversion to electric energy can be obtained.
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