Using an EM-CCD camera, it is possible to sensitively capture images of the EL emission state of PV cells and modules.
Using a 1 million pixel high-sensitivity EM-CCD, it is possible to detect microcracks, chipping, back-side burn-in, defects, and dirt generated during the process. EM-CCD cameras have lower noise compared to cooled CCD cameras and can achieve shorter shutter speeds, making them suitable for integration into inline devices.
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basic information
**Features of the Module EL Tester** - Clear images can be obtained with complete light shielding using an EM-CCD camera. - Automatic work transport and pitch conversion of the work transport section. - The entire module is displayed on a 32-inch large screen. - Inline processing is possible with high-speed takt. - Equipped with an automatic cleaning mechanism for lens filters. - Easy storage and reference of images and defect data. - Capable of measuring cell dimensions and detecting alignment deviations. **Features of the Cell EL Tester** - High-sensitivity images can be obtained with a 1-megapixel EM-CCD camera. - Equipped with a simple I-V testing function. - Includes measurement functions for crack length and distance. - Equipped with measurement functions for area size and brightness in specified regions. - Image acquisition is possible by applying reverse current. - Designed for easy removal of cells.
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Applications/Examples of results
The cell EL tester can be used for shipping inspection at the cell factory and for acceptance inspection of cells at the module factory. The module EL tester can be placed before laminating the module, allowing for repairs. It can also be placed in the final process and used for pre-shipment inspection.
Company information
Since our founding in 1975, our company has embraced a bold spirit of challenge as part of our corporate culture. As business challenges have become more advanced and complex over time, we have actively pursued diversification to enhance our stability and competitiveness. Currently, we have six core businesses: FA equipment-related business, semiconductor-related business, energy-related business, bicycle parking business, health and medical equipment-related business, and precision sheet metal processing business. By expanding a wide range of products and services across various fields, we have gained significant trust not only domestically but also from overseas. Additionally, our group companies include "Shin Denryoku Oita Co., Ltd." which engages in power retailing, "OAD-TEC Co., Ltd." which handles analog device design and staffing services, "I.S.I Co., Ltd." which specializes in precision sheet metal processing, and "DK TRADING Co., Ltd." which functions as a trading company. We are advancing integrated group management to provide our customers with higher value-added proposals. The Denkeng Group will continue to refine our unique ideas and technologies, striving daily to contribute to the realization of a rich and sustainable society for our customers, the planet, and the future. President and CEO Genta Ishii