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Product laser

Products
Laser-Induced Firing System
Product Introduction
This system combines directional laser irradiation with electric-field-assisted secondary sintering to achieve ultra-fast localized heating. The process significantly reduces contact resistance, supports low-corrosivity pastes, minimizes damage to passivation layers, lowers metal recombination, and improves open-circuit voltage. It enhances solar cell conversion efficiency by more than 0.4% while reducing silver paste consumption by over 20%.
Product Features

Compact system footprint with single-sided operation and minimal space requirement

Dual-lane configuration (Line A & B) supports independent operation and fast switching between online/offline modes

Unique optical homogenization design enables full-surface scanning with large laser spots

Probe compression mode with zero shading; easy setup and high equipment utilization

Broad compatibility with various electrode patterns, including 0BB architecture

Simultaneous sintering of both front and rear electrodes

Built-in buffer zone prevents downtime during paste clogging; seamless loading/unloading transitions


Field of application
TOPCon solar cell manufacturing
Technical indicators
Specification
Details
Equipment Dimensions (L×W×H)
3425 mm × 1250 mm × [Z-axis dimension unclear]
Facility Space Requirement
3500 mm × 3800 mm × 2500 mm
Compatible Wafer Sizes
182 to 210 mm
Wafer Thickness Range
120 to 180 μm
Buffer System
Stacked cassette trays
Cassette Capacity
(1 + 1) × 2
Uptime
2464 hours/year (or as per defined uptime spec)
Breakage Rate
< 0.02% @182 mm wafer size
Throughput
>9600 pcs/hour (dual-lane) @182 mm