Patent ID: 11966201
Assignee: NIVAROX-FAR S.A.
Field: Semiconductors (Electrical engineering)
Classification: CPC G  H  Y | IPC G  H

Claim 13:
14. A method of manufacturing a photovoltaic device according to claim 1 wherein said silicon-germanium layer is deposited by plasma-assisted chemical vapour deposition under the following conditions for a reactor of 13.56 MHz plasma excitation frequency, 15 mm inter-electrode distance, and 45×55 cm electrode surface dimensions:
silane flow 30-50 sccm;
germane flow 6-10 sccm;
hydrogen flow 1200-1500 sccm;
phosphene flow 0.5-1.5 sccm, or diborane flow 0.5-1.5 sccm;
pressure 3.0-3.5 mbar; and
plasma power 100-150 W.