FIG. 1 is a front elevational view of a first embodiment of a solar cell wafer;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a top plan view thereof, the bottom plan view being a mirror image of the top plan view;
FIG. 4 is a right side elevational view thereof, the left side elevational view being a mirror image of the right side elevational view;
FIG. 5 is an enlarged view of callout box 5 from FIG. 1;
FIG. 6 is an enlarged view of callout box 6 from FIG. 2;
FIG. 7 is a front elevational view of a second embodiment of a solar cell wafer;
FIG. 8 is a rear elevational view thereof;
FIG. 9 is a top plan view thereof, the bottom plan view being a mirror image of the top plan view;
FIG. 10 is a right side elevational view thereof, the left side elevational view being a mirror image of the right side elevational view;
FIG. 11 is an enlarged view of callout box 11 from FIG. 7; and,
FIG. 12 is an enlarged view of callout box 12 from FIG. 8.
The dot-dash broken lines form no part of the claimed design.