1$ per Solar Watt
...evaporation in a vacuum chamber
Printing in plain air
Process Control
Fragile wafers
Expensive metrology
Built-in bottom-up reproducibility
Process Yield
Robust
Fragile
Robust
Materials Utilization
30
30-50
Over 95
Substrate
Wafer
Glass
Conductive Foil
Continuous Processing
No -- wafer handling
No -- glass handling
Yes
Cell Matching
Yes
No...
