Yoha （Wuhan） New Energy Technology Co., Ltd.
| Supply Ability | Available for long-term and short-term supply |
| Packaging Details | Wooden cases |
| Test Size | 220X220mm |
| Detection Type | single crystal or polycrystalline silicon wafers and battery wafers |
| Online Detectable defects | black center, black edge, black mass, hidden crack, crack, fragment, low efficiency piece, black line and defect corners, broken edges, etc. |
| Detection efficiency | single detection time is <0.5 seconds; |
| Brand Name | YOHA |
| Model Number | YHCT-PL |
| Certification | CE |
| Place of Origin | China |
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Product Specification
| Supply Ability | Available for long-term and short-term supply | Packaging Details | Wooden cases |
| Test Size | 220X220mm | Detection Type | single crystal or polycrystalline silicon wafers and battery wafers |
| Online Detectable defects | black center, black edge, black mass, hidden crack, crack, fragment, low efficiency piece, black line and defect corners, broken edges, etc. | Detection efficiency | single detection time is <0.5 seconds; |
| Brand Name | YOHA | Model Number | YHCT-PL |
| Certification | CE | Place of Origin | China |
Functionality:
A cutting-edge Solar Cell Tester integrating PL Testing (photoluminescence detection) and AI-driven defect recognition for Solar Cell Testing and sorting. Designed for monocrystalline/polycrystalline silicon wafers and cells, it enables non-contact, high-speed quality control in photovoltaic manufacturing.
| Parameter | Specification |
|---|---|
| Test Object | Monocrystalline/polycrystalline cells & wafers (max size: 210×210mm) |
| Detection Speed | <0.5 seconds per test |
| Defect Types Identified | Black center, cracks, low-efficiency cells, hidden cracks, missing corners, etc. |
| Laser System | Adjustable power; 220×220mm laser spot coverage |
| Software | AI algorithms for automatic defect classification; parameterized judgment criteria |
| Integration | Standalone or embedded in production lines via network communication |
| Detection Method | Non-contact PL Testing to prevent secondary damage |
| Compatibility | Pre/post-welding stages; multi-cell simultaneous detection |
AI-Driven Defect Recognition:
Deep learning algorithms automate defect identification (e.g., cracks, black edges) without manual intervention.
High-Speed PL Testing:
Achieves <0.5s detection cycles, ideal for high-volume Solar Cell Testing workflows.
Flexible Integration:
Functions as a standalone Manual Solar Cell Tester or in-line Solar Cell Sorting Machine within production lines.
Customizable Detection:
Adjustable laser power and defect thresholds to adapt to diverse cell types (mono/polycrystalline).
Non-Contact Precision:
Infrared imaging system eliminates physical contact, ensuring zero cell damage.
Laser Light Source: Generates uniform 220×220mm square spots for consistent PL excitation.
Infrared Camera & HD Lens: Captures high-resolution defect images without darkroom requirements.
Detection Software: User-friendly interface with real-time analytics and customizable reporting.
Quality Control: Defect detection in raw wafers, post-processed cells, and final modules.
Sorting: Grades cells based on PL Testing results for Solar Cell Sorter integration.
R&D Support: Identifies efficiency losses and process flaws in cell manufacturing.
Zero Secondary Damage: Non-contact PL Testing ensures cell integrity.
Production-Ready: Seamless integration into existing Solar Cell Testing lines with ≤20ms latency.
Future-Proof Design: Software upgrades and modular hardware adapt to new cell technologies (e.g., TOPCon, HJT).
Our Services:
About Us:
Yoha Solar is a high-tech enterprise dedicated to the research, development, manufacturing, sales, and after-sales service of serial photoelectric automation equipment.
15+ Years Engaged In Solar
300+ Customers Worldwide
Our company primarily serves the solar photovoltaic industry and holds its own import and export rights. We have developed a range of independent R&D equipment.
Main Machinery:Fiber Laser Cutting Machine
Solar cell sorting Machine
Solar Cell IV tester
EL defect tester
EL and AOI Appearance Tester
Solar Panel Production Line
Other Auxiliary Machines
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2014
Total Annual:
5000000-10000000
Employee Number:
20~50
Ecer Certification：
Verified Supplier
Wuhan Yoha Solar Technology Co., Ltd., located in the Wuhan East Lake High-Tech Development Zone (Optics Valley of China, Wuhan), is a high-tech enterprise dedicated to the research, development, manufacturing, sales, and after-sales service of serial photoelectric automation equipment. 15+ Yea... Wuhan Yoha Solar Technology Co., Ltd., located in the Wuhan East Lake High-Tech Development Zone (Optics Valley of China, Wuhan), is a high-tech enterprise dedicated to the research, development, manufacturing, sales, and after-sales service of serial photoelectric automation equipment. 15+ Yea...
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