Laser processing technique for fabricating series-connected and tandem junction series-connected solar cells into a solar battery

A method of fabricating a solar battery comprising:

• scribing a transparent electrode on a transparent substrate with a laser of sufficient power to form a plurality of transparent electrode strips;
• fabricating an active region of a semiconductor material on said substrate and said transparent electrode strips;
• scribing said active region with a laser parallel and adjacent to the first scribing so as to scribe through said active region and form strips of active region but not the transparent electrode;
• and
• interconnecting said strips of active region in series with a back electrode.