Auto Solar Cell UW Laser Assisted Sintering System LIM Adjustable Spot Size

Equipment Overview

The equipment irradiates the cell surface with high-energy laser to excite carriers and generate localized high-density current, which triggers interdiffusion between the metal grid lines and the silicon substrate, forming excellent ohmic contact and effectively reducing contact resistance. Meanwhile, it avoids large-area damage to the passivation layer, thereby improving open-circuit voltage and short-circuit current, and significantly enhancing the conversion efficiency of the solar cell.

Highlights

• Self-developed UW laser with specialized optics; adjustable spot size and energy distribution.

• High-speed galvo + high-speed DD motor; cycle time ≤ 0.75s, meeting screen-printing line speed requirements.

• Flexible linear loading/unloading module; fast and low breakage.

• Supports offline/online modes; offline loading and online emergency unloading run independently; large capacity and easy to use.

• Custom imported probe array and high-conductivity stage; long life, high performance, low breakage.

• 0BB compatible; optimized area-scan process improves efficiency by 0.05% vs. Line-scan.

Technical Parameters

Founded in 2005, United Winners Laser Co., Ltd. is a leading supplier of laser welding equipment and intelligent manufacturing solutions in China. It is a national high-tech enterprise and a listed company on the SSE Star Market, specializing in R&D, production, and sales of precision laser welding machines and complete sets of laser welding equipment. It owns four subsidiaries, namely UW Jiangsu, UW Huizhou, UW Japan, and UW USA. After twenty years of business development and continuous technological innovation, the company has developed into a leader in China’s laser welding industry.

UW Laser is committed to providing high-quality lasers, laser welding heads, laser welding machines, robotic welding workstations, automated laser welding equipment and various non-standard automated solutions to global manufacturing customers. Lasers and laser welding machines mainly include blue laser series, hybrid laser series, YAG laser series, fiber laser series, semiconductor laser series, pulse laser series, etc. Its products are widely used in the fields of power batteries, automobile manufacturing, consumer electronics, hardware appliances, optical communications, medical equipment, plastic welding and soldering, and so on. At present, it has delivered more than 600 sets of non-standard customized automatic laser welding systems, which meet the welding requirements of more than 1,300 products. It is also China’s largest enterprise focusing on the research and development of laser welding in the new energy industry with strategic cooperation with CATL, Gotion High-Tech, BYD, GREE, Foxconn, Tyco Electronics, TE Connectivity, Evergreen Precision, EVE, Panasonic, Samsung, and other well-known enterprises across the industry.