This article provides an in-depth analysis of how global photovoltaic technology leader Aiko Solar tackled the complex challenge of reading DPM (Direct Part Mark) codes in its core production process—the graphite boat procedure. Facing a process environment where traditional methods were nearly ineffective, Aiko Solar successfully achieved a breakthrough in recognition rates by deploying the SEUIC AUTOID 10-DPM industrial mobile computer, significantly boosting production line scanning efficiency by 30%, setting a new benchmark for production and full-process traceability in the PV manufacturing industry.
User Background
Aiko Solar is a globally leading new energy technology company, focusing on core photovoltaic power generation products and integrated photovoltaic energy storage solutions. The company provides customers with solar cells, all-back-contact (ABC) modules, and scenario-based solutions. Adhering to the mission of "driving the zero-carbon society forward," Aiko Solar accelerates the arrival of the zero-carbon energy era through relentless innovation.
Challenges
In Aiko Solar's production process, after the graphite boat undergoes the PECVD coating process, the reading environment for DPM codes on its surface becomes extremely challenging: uneven color changes caused by high temperatures render standard equipment ineffective; residual moisture from cleaning causes glare interference, requiring multi-angle scanning to avoid; and subtle differences between multiple process stations make equipment debugging and management maintenance exceptionally cumbersome.

In the graphite boat production process, traditional DPM code reading methods face numerous challenges. The PECVD coating process creates complex process conditions; due to surface color changes and moisture interference, standard QR code recognition on photovoltaic production lines is almost impossible to achieve.

• The surface color of the graphite boat changes unevenly after high-temperature discharge, making it nearly impossible to recognize using standard mobile computers.
• During the cleaning process of the graphite boat, moisture remains in the item's holes, necessitating adjustment to different scanning angles.
• The use and management of different stations require modifications to different devices or parameters.
• Traditional single-light-source mobile computers cannot meet complex scanning requirements.

• The SEUIC AUTOID 10-DPM, with its AI+DPM algorithm, provides an advanced DPM code recognition solution for solar cell production lines, which can increase scanning efficiency by 30%.
• This DPM mobile computer for the photovoltaic industry can reduce management costs by 10%, can be used at work without special training, and solves the scanning problems at all mobile computer scanning stations across the customer's entire production line.

The AUTOID 10-DPM represents a breakthrough in industrial mobile computer scanning technology. Its professional DPM scanning engine combined with AI enables excellent DPM code reading performance even in the most challenging photovoltaic production environments.

• AI-driven illumination adjustment: Automatically adjusts lighting modes to adapt to various background colors and materials of the target DPM code, optimizing the image quality of the DPM code and improving recognition accuracy.
• Professional image optimization algorithm: Improves the recognition accuracy of DPM codes on industrial production lines in complex environments.