METHOD OF FORMING BACKSIDE POINT CONTACT STRUCTURES FOR SILICON SOLAR CELLS

• Main Author: BORDEN, PETER
• Format: Patent
• Language: English; French; German
• Published: 12.03.2014
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; SEMICONDUCTOR DEVICES

A method for fabricating point contacts to the rear surface of a silicon solar cell by coating the rear surface with a masking layer and a laser absorptive layer and directing laser radiation to the rear surface to form openings therein after which doping material is applied through the openings and...