Lingchen Technology Empowers Photovoltaic Laser Marking
Amidst the ever-growing global demand for clean energy, the photovoltaic industry is experiencing a trajectory of rapid expansion. Against this backdrop, laser marking technology—distinguished by its high precision and efficiency—is gradually becoming an indispensable component of the photovoltaic panel manufacturing process. This article, drawing upon Lingchen Technology's comprehensive control solutions for the PV sector, will systematically outline the applications and innovative value of laser marking technology.
Market Application Context
To enhance their market competitiveness, photovoltaic manufacturing enterprises are continuously striving for higher cell conversion efficiencies and lower power generation costs. Laser marking technology can be applied to critical stages of photovoltaic cell production—such as etching, grooving, and doping—thereby assisting companies in achieving this objective. Laser processing technology offers distinct advantages, including non-contact operation, a minimal heat-affected zone, high precision, and excellent consistency, effectively compensating for the limitations of traditional mechanical processing in terms of both precision and efficiency.
Technology Development Cycle
The development of laser technology within the photovoltaic industry has evolved through distinct stages, ranging from initial introduction to full maturity:
Technology Introduction Phase: Laser technology was first introduced to the photovoltaic industry, primarily applied to laser grooving and selective emitter doping processes for PERC solar cells. In 2015, laser ablation equipment for PERC cells entered mass production.
Rapid Growth Phase: In 2017, SE (Selective Emitter) laser doping equipment achieved mass production; this advancement drove breakthroughs in PERC cell conversion efficiency, establishing it as a mainstream technology. Processes such as laser grooving and doping gradually became standardized, becoming standard fixtures on PERC production lines.
Maturity and Widespread Adoption Phase: Laser technology has become deeply integrated into a wide array of solar cell process routes—including PERC, TOPCon, HJT, IBC, and perovskite technologies—achieving comprehensive coverage across the entire spectrum of technical approaches.
Equipment and Process Overview
Laser marking equipment for photovoltaic panels primarily comprises the following processes:
Silicon Wafer Pre-treatment: This includes steps such as wafer cleaning, texturing, and edge deburring.
Core Laser Processing: This encompasses critical stages, including laser grooving, laser doping, and laser transfer, ensuring high-precision processing and enhanced efficiency.
Lingchen Technology Solutions
Lingchen Technology provides comprehensive control system solutions for photovoltaic laser marking equipment. The core configuration includes:
Control Core: Lingchen VMC800/1200 Series Embedded Industrial PCs, providing a stable and reliable computing platform.
Motion Control: Lingchen PCIe-M60 Motion Control Cards, ensuring precise motion trajectories.
Signal Triggering: Lingchen LCT-MINI-E4O4 Trigger Modules, enabling precise timing control.
Drive Execution: Lingchen Servo Motors, achieving precise position control.
This solution achieves high-performance specifications—including a pulse width of <10 ns and a positioning accuracy of ±1 μm—and is perfectly adapted for large-format 210 mm silicon wafers, delivering a throughput of 6,000 wafers per hour. It fully demonstrates the technological advantages of Lingchen Control products in photovoltaic manufacturing.
Summarize
Leveraging its extensive expertise in the field of industrial control, Lingchen Technology provides comprehensive solutions—spanning from the control core to the execution end—for photovoltaic laser marking equipment. This solution not only enhances the conversion efficiency of solar cells but also drives the entire industry toward greater intelligence and precision. As photovoltaic technology continues to advance, Lingchen Technology will remain committed to providing reliable control technology support for clean energy manufacturing, thereby contributing to the global transition in energy structure.
About Us
Established in 2006, Suzhou Lingchen Data Acquisition & Computer Co., Ltd. operates under a business philosophy centered on creating value for clients and fostering win-win partnerships. The company provides customers with core components and system solutions for a wide range of automation equipment, including industrial computers, motion control systems, test and measurement instruments, machine vision systems, and robotics. Currently, Lingchen oversees two wholly-owned subsidiaries: Suzhou Xun'ya Automation Technology Co., Ltd. and T.O.K. Robotics (Suzhou) Co., Ltd., which specialize in the sales of robotic systems and the R&D, manufacturing, and sales of linear motion products, respectively.
Product System Network
Within the hierarchical structure of automated control networks, Lingchen Technology offers a comprehensive range of products spanning the device, control, and information layers.
01 Industrial Computers
Lingchen Industrial Chassis provides comprehensive physical protection for critical computing cores through its industrial-grade robust structure, exceptional thermal management, and dust-proof design, ensuring enduring and stable operation even in harsh industrial environments characterized by vibration, dust, and extreme temperatures.
02 Embedded Industrial PC
Lingchen Embedded Industrial PCs feature a compact and rugged industrial design, integrating high-performance computing, extensive I/O interfaces, and broad tolerance for wide temperature and voltage ranges. Specifically engineered for embedded applications—such as machine vision, edge computing, and automation equipment—these systems provide a stable and reliable intelligent core within limited spaces, empowering smart manufacturing and IoT applications.
03 Motion Control Card
The Lingchen motion control card is capable of controlling up to 32 motion axes and simultaneously supports the control of up to 512 DI points and 512 DO points, with a maximum bus communication cycle of 250 µs. In terms of motion control, it supports functions such as single-axis relative motion, absolute motion, jogging, and drive-based homing; multi-axis interpolation; multi-axis point table motion; and electronic gearing.
04 LMC Series Motion Controllers
The Lingchen LMC series motion controllers are designed around an open, hard real-time kernel (with jitter < ±0.3 µs). This design thoroughly resolves the non-real-time limitations inherent in traditional Windows-based platforms, ensuring both determinism and instantaneous response for multi-axis commands. Installation is remarkably simple, requiring only a single Ethernet cable for connection; furthermore, utilizing highly efficient asynchronous communication technology, the system enables the synchronized issuance and control of motion commands for up to 12 axes within just 1 millisecond.
05 NAC Series High-Performance Motion Controllers
At the core of the Lingchen NAC controller lies a powerful bus expansion capability, supporting four EtherCAT masters to enable the precise control of 256 axes per station—totaling 4,096 I/O channels. Its motion control capabilities are both comprehensive and robust: beyond standard point-to-point, linear, and circular interpolation, it features advanced functions such as 5-axis interpolation, spline-based trajectory smoothing, and dynamic coordinate systems. Furthermore, it integrates vibration suppression, "soft landing" capabilities, and high-precision position comparison outputs; combined with eight independent interpolation groups and continuous interpolation functionality, it effectively meets the demands of complex trajectories and high-speed synchronization. The development environment is open and flexible, supporting multiple programming languages—including C++, C#, and Python—and allows for direct programming within the real-time operating system, thereby significantly enhancing integration and debugging efficiency.
06 PLC Motion Controller
Lingchen PLC controllers strictly adhere to PLCopen specifications and the IEC 61131-3 international standard, combining high performance, a compact footprint, and a modular design to facilitate easy development and flexible deployment. Widely applicable to automation equipment and production line systems across sectors such as 3C electronics, lithium-ion batteries, packaging, and printing, these controllers can also be extended to serve as network communication nodes within integrated production lines for logistics, automotive, and consumer goods industries. By meeting requirements for internal/external network isolation, high-speed bus communication, and real-time data processing, they provide a stable and reliable control core for a diverse range of industrial environments.
07 Industrial Network Cards
Lingchen industrial network cards are specifically engineered for harsh industrial environments, featuring 10/100/1000Mbps auto-negotiation capabilities to deliver stable and reliable high-speed network connectivity. Characterized by robust anti-interference, surge protection, and wide-temperature operation, these cards are widely deployed in critical applications such as motion control, machine vision, and automation systems. The products feature a flexible installation design—including a standard full-height bracket and an optional half-height bracket—enabling seamless integration into a wide range of smart manufacturing equipment and industrial networks.
08 IO Module
Lingchen Technology offers a comprehensive range of I/O module solutions, designed to flexibly meet the diverse requirements of industrial automation.
LC/LD Series Expandable I/O Modules: Supporting multiple protocols—including EtherCAT, Profinet, Ethernet/IP, and Modbus TCP—these modules allow for the flexible expansion of data acquisition capabilities covering digital signals, analog signals, temperature, pressure, and pulses. They are widely applied across sectors such as 3C electronics, lithium-ion batteries, semiconductors, automotive manufacturing, and medical equipment.
MINI Series I/O Modules: Characterized by their compact size and high real-time performance, this series encompasses digital I/O, analog I/O, temperature modules, and communication modules. They are ideally suited for control and data acquisition scenarios where space constraints and real-time responsiveness are critical requirements.
GWS Series Cabinet-Free I/O Modules: Featuring exceptional stability and convenient network cabling capabilities, these modules are designed for distributed system layouts, enabling significant reductions in both system integration time and costs.
Our entire product portfolio is dedicated to providing users with I/O module support that is reliable, easy to integrate, and adaptable to a wide variety of application scenarios.
