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Product laser

Products
Laser Micro-Etching System
Product Introduction
This system adopts DR Laser’s proprietary optical homogenization technology to perform large-area, high-precision, and uniform laser etching on various tunnel oxide passivation layers. It is widely used in the patterning of high-efficiency back-contact (XBC) solar cells, offering a superior alternative to traditional photolithography and accelerating the industrialization of low-cost back-contact cell technologies.
Product Features

Ultrafast laser processing system combined with F-theta beam shaping and homogenization, enabling non-destructive ablation of oxide and passivation films

Customizable square beam spot sizes tailored to specific process requirements

Fine-pattern control technology ensures precise separation between P/N regions

In-house developed high-precision vision algorithms for accurate alignment

High throughput, high precision, high uniformity, and high stability

Multiple in-line inspection functions to ensure superior product yield

Modular design with strong compatibility and customizable configurations


Field of application
XBC and TOPCon solar cell manufacturing
Technical indicators
Specification
Details
Equipment Dimensions (L×W×H)
6000 mm × 4000 mm × 2200 mm
Compatible Wafer Size
182 to 230 mm, supports various rectangular formats
Wafer Thickness Range
100 to 180 μm
Loading/Unloading Mode
AGV dual-layer dual-track system
Cassette Capacity
5×2 + 1 + 1
Throughput
≥ 4000 pcs/h @ 182 mm × 182 mm