Patent ID: 11916159
Assignee: SOLAERO TECHNOLOGIES CORP
Field: Semiconductors (Electrical engineering)
Classification: CPC H  C  Y | IPC H

Claim 13:
14. A method as defined in claim 1, and the first solar subcell is composed of indium gallium aluminum phosphide and has a first band gap in the range of 2.0 to 2.2 eV, wherein the emitter layer of the second solar subcell is composed of indium gallium phosphide or aluminum indium gallium arsenide, and the base layer of the second solar subcell is composed of aluminum indium gallium arsenide, the second solar subcell having a second band gap in the range of approximately 1.55 to 1.8 eV and being lattice matched with the first solar subcell and further comprising a third solar subcell disposed adjacent to said second solar subcell and composed of indium gallium arsenide and has a third band gap less than the second band gap of the second solar subcell and is lattice matched with the second solar subcell.