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Laser Secondary-Induced Sintering System (LIM+)
Laser Processing Equipment

Laser Secondary-Induced Sintering System (LIM+)

Supplier
Uwlaser
Part Number
Laser secondary induction sintering equipment (LIM+)
Category
Laser Processing Equipment
Origin
China
Specification Snapshot
Laser Power
≥100W
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Overview

High-energy laser irradiation excites carriers on the surface of the battery to form a local high-density current, and at the same time applies a reverse bias voltage. The laser irradiation and reverse bias voltage result in a high current density at a local location through the contact interface, triggering mutual diffusion between the metal grid lines and the silicon matrix, forming a good silver-silicon contact, effectively reducing the contact resistance, without causing large-area damage to the passivation layer, thus increasing the open voltage and short-circuit current, thereby significantly improving the conversion efficiency of the cell.

Specifications

ParameterValue
Equipment PerformanceSpecifications
Laser Power≥100W
Technical SpecificationScanning maximum speed>80 m/s
ScribingSpotDimensionsSpot size: 100μm-1.2mm, customized and adjustable
ApplicableSilicon WaferDimensions182*182mm-230*230mm
ApplicableSilicon WaferThickness≥100μm
MaximumProcessingRange230*230mm
Technical Specification - per OutputMatching the screen printing process capacity, wafer size: 18X±0.5mm* (18X±0.5mm-210mm), single machine production capacity ≥4800 pieces/hour, CT ≤0.75s; silicon wafer size: 210±0.5mm*21X±0.5mm, single machine production capacity ≥4500 pieces/hour, CT ≤0.75s
AbsoluteEfficiencyGain≧0.05% (not lower than the best level of peers)
Technical Specification - Fragmentation Rate≦0.01%@18X±0.5*18X±0.5; ≦0.02%@230±0.5*230±0.5
LaserPower Stability≤2%
LaserScanningAccuracy±≤15um
Technical Specification - Laser Power -One≤5%
Technical Specification - Laser Power -Three≤15%

Key Features

Advantage 1: Using UW's self-developed laser and special optical design, the spot size and energy distribution are adjustable; Advantage 2: High-speed galvanometer and high-speed DD motor solution, the CT of the whole machine is ≤ 0.75s, which can meet the needs of screen speed increase; Advantage 3: Flexible linear module loading and unloading, fast speed and low fragmentation rate; Advantage 4: Compatible with both offline and online production modes, offline online feeding and online emergency blanking can be operated independently, large capacity, simple and easy to use; Advantage 5: Customized imported double-row large-head probe row, high conductivity test surface, long life, good performance, low fragmentation rate, avoid breakdown; Advantage 6: The equipment is compatible with 0BB, adopts customized optimized surface scanning process, and the efficiency is 0.05% higher than the line scanning process solution.

Datasheet

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Supplier Information

Uw
Uwlaser
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Shenzhen United Winners Laser Co., Ltd. (Stock Code: 688518) was founded in 2005. It is a national high-tech enterprise and a STAR Market listed company specializing in the integration of R&D, production, and sales of precision laser welding equipment and intelligent manufacturing solutions. It has multiple subsidiaries including Jiangsu United Winners, Huizhou United Winners, Japan United Winners, Germany United Winners, USA United Winners, Hungary United Winners, Hong Kong United Winners, Jiangsu United Winners Semiconductor, and Jiangsu Chuangying Photovoltaic Technology. After twenty years of market cultivation, the company has developed into a leading brand in the laser welding niche industry. The company is committed to providing global manufacturing customers with high-quality lasers, laser welding heads, laser welding machines, robotic welding workstations, complete sets of laser welding automation equipment, and various non-standard automation solutions. Lasers and laser welding machines mainly include blue light laser series, composite laser series, YAG laser series, fiber laser series, semiconductor laser series, pulsed laser series, etc. The products are widely used in new energy, automotive manufacturing, consumer electronics, photovoltaic industry, semiconductors, optical communications, hardware and home appliances, medical devices, electronic components, and other fields. Currently, we have delivered more than 100,000 lasers and thousands of complete sets of laser welding equipment to various parts of the world. Approximately over 160 cities globally and more than 1,680 leading industrial manufacturing enterprises worldwide have chosen United Winners Laser as their partner. United Winners Laser is one of the largest enterprises in China focused on the research and development of laser welding for the new energy industry. Our cooperative customers include well-known enterprises in the industry such as CATL, BYD, CALB, Gotion High-tech, EVE Energy, Sunwoda, SVOLT, Panasonic, Samsung, Foxconn, TE Connectivity, and Everwin Precision. United Winners Laser has always attached great importance to technological research and development, insisting on independent research and development and technological innovation, continuously increasing investment in research and development, and strengthening core technological advantages to ensure that the company's technological level and product research and development strength remain at the leading level in the domestic industry. The company owns 547 laser welding-related patents, including 65 invention patents, and also owns 288 software copyrights. Based on a high-level R&D team and R&D platform, United Winners Laser has undertaken the establishment of several provincial and municipal laser welding-related laboratories, research centers, and technology centers, and has successively established: Shenzhen Municipal Enterprise Technology Center Shenzhen High-Precision Laser Welding Technology Engineering Laboratory Guangdong Provincial Engineering Technology Research Center for Precision Laser Welding Equipment Guangdong Provincial Key Laboratory of Automotive Laser Intelligent Welding Equipment Enterprises Shenzhen Power Battery Laser Equipment Manufacturing R&D Engineering Research Center Guangdong Provincial Industrial Design Center Changzhou High-Precision Laser Welding Technology Engineering Technology Research Center Changzhou Enterprise Technology Center Changzhou Industrial Design Center

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