TOPCon Laser-Enhanced Contact Optimization System
Laser-Enhanced Contact Optimization (LECO) system is designed to improve the contact resistance of crystalline silicon solar cells. By reducing the compound loss at the metal-semiconductor, it improves the contact resistance between the electrode grid lines and the silicon cells, thereby enhancing the photoelectric conversion efficiency of the photovoltaic silicon solar cells.
Inquiry Phone：+86-400 8017 001
E-mail：contact@delphilaser.com■ Specifications
Project | Specifications |
Operating Mode | Inline |
Compatible Wafer Size | 182–230mm |
Compatible Wafer Thickness | 110–200μm |
Equipment Dimensions | L×W×H=2970×1450×2150mm |
Total Length | 3690mm (with belt retracted) |
Patterning Accuracy | ≤±15μm @ 182mm |
Buffering Method | Stacked cassette |
Cassette Quantity | (1+1)×2 |
Equipment Throughput | 9000pcs/h @ 182×182mm |
Breakage Rate | ≤0.04% @ 182mm(excluding incoming wafer defects >130μm) |
■ Applications
Laser-Enhanced Contact Optimization (LECO) equipment is a laser-based sintering system designed to improve contact resistance in crystalline silicon solar cells. By reducing recombination losses at the metal-semiconductor interface, it enhances the contact quality between the electrode grid lines and the silicon substrate, thereby increasing the photovoltaic conversion efficiency of crystalline silicon solar cells.
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