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New Generation Silicon Solar Cells

5.4 Laser operations

New Generation Silicon Solar Cells

Why using laser?

All for Si-PV-technology used materials absorb light

A small optical/thermical penetration depth is given for λL < 1µm

Laser can focuse very good (size of structure 10µm – 100µm)

Minimal mechanical demands on the fragile Si-wafer

Screen printing process can be prevented

Laser`s high quality output beams and unique pulse characteristics coupled with low cost –of-ownership

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