ALEXANDRIA, Va., March 31 -- United States Patent no. 12,593,531, issued on March 31, was assigned to ADACHI ELECTRIC COMPANY INC. (Las Vegas).
"Compound solar battery" was invented by Shinji Oku (Kasuga, Japan) and Yoshitomo Nakata (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A compound solar battery according to the present invention is provided with a laminated film 2 including: a reflection layer 20 formed of an AlGaAs layer; a front surface-side light absorption layer 10 formed between a surface electrode 1 and the reflection layer 20; and a back surface-side light absorption layer 30 formed between the reflection layer 20 and a substrate 3. The reflection layer 20 is formed of a front surface-...