Patent ID: 8785235
Filing Date: 2014-07-22
Classification: C23C,H01L,Y02E,Y02P

Abstract:
1. An apparatus for forming a solar cell, comprising: a housing defining a vacuum chamber; a rotatable substrate apparatus configured to hold a plurality of substrates on a plurality of surfaces wherein each of the plurality of surfaces is disposed facing an interior surface of the vacuum chamber; a first sputtering source configured to deposit a plurality of absorber layer atoms of a first type over at least a portion of a surface of each one of the plurality of substrates; an evaporation source disposed in a first subchamber of the vacuum chamber and configured to deposit a plurality of absorber layer atoms of a second type over at least a portion of the surface of each one of the plurality of substrates; and a first isolation source configured to isolate the evaporation source from the first sputtering source.