Wafer Level Burn-In
WLBI370A
Wafer Level Burn-in System
The WLBI370A Wafer Level Burn-in System is a fully automated SiC wafer burn-in testing solution. It offers ultra-high burn-in capacity, capable of performing High-Temperature Gate Bias (HTGB) burn-in on up to 20 wafers simultaneously. Burn-in conditions can be configured to meet the requirements of different products. The system enables precise threshold voltage (Vth) testing for each die and features independent overcurrent protection on each channel to ensure device safety. It supports integration with customer EAP systems for production data management and automatically generates MAP data for detailed performance analysis and quality control.
Features
Fully Automated System
Automated wafer and fixture loading/unloading without manual intervention
High Throughput
Supports simultaneous HTGB burn-in of up to 20 wafers at full capacity
High Compatibility
Easy switching between 6-inch and 8-inch wafers by replacing fixtures
Independent Temperature Control
Each drawer is equipped with independent temperature control and power systems, ensuring precise and stable burn-in conditions for each wafer
Multi-channel Testing
Supports up to 1,500 channels per layer for burn-in
High-precision Testing
0.1nA leakage current resolution
Wide Temperature Range
Temperature control ranges from 40°C to 175°C
Comprehensive System Features
Real-time monitoring of Igss and Vth testingFunctions and Advantages
The Semight WLBI370A Wafer Level Burn-in System consists of the main system, burn-in layers, and burn-in fixtures. The main system includes wafer handling and coupling mechanisms, fixture loading and unloading mechanisms, burn-in chambers, and cooling units. Each burn-in chamber can hold up to 10 burn-in layers, with a maximum configuration of 20 layers. Each burn-in layer accommodates one fixture (wafer), enabling simultaneous burn-in of up to 20 wafers in a fully equipped setup.
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Suitable for |
SiC Wafer |
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Applicable Packages |
6-inch, 8-inch Wafer |
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Burn-in Type |
HTGB |
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Test Parameters |
Igss, Vth |
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System Size |
3000mm(W) X 2500mm(H) X 4500mm(D) |
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Nitrogen Protection |
Yes |
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Temperature Range |
45°C to 175°C |
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Voltage Range |
Gate ±70V |
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System Channels/ Layer |
1500 |
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System Layers |
20 |
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Supports Cassette Feeding |
Up to 50 PCS (Uploading area: 2 cassettes, with 1 cassette: |
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Power Supply |
380V, 20A three-phase, 50-60Hz |
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Software System |
Windows |
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Software Language Environment |
VS/C# |
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