Digital guide
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- Product Introduction:
The wafer handling robot is a crucial automated component in semiconductor manufacturing lines. It is designed to precisely and safely transfer semiconductor wafers between different process stations, such as from a load – lock chamber to a processing chamber and vice versa, without causing any damage to the delicate wafers. - Technical Specifications:
- Payload Capacity: It can handle wafers with diameters ranging from 100mm to 300mm and has a payload capacity of up to 2kg per wafer, accommodating different wafer sizes and weights commonly used in semiconductor production.
Detailed content
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- Repeatability: The robot offers high repeatability in its movements, with a position accuracy of ±0.05mm. This ensures that wafers are consistently placed at the correct locations in each process station, which is essential for maintaining process uniformity.
- Speed: It can perform wafer transfer operations at a speed of up to 10 wafers per minute, depending on the distance between process stations and the complexity of the transfer path. This high – speed operation helps in improving the overall throughput of the semiconductor manufacturing line.
- Functional Features:
- Multi – Axis Movement: The robot has multiple axes of movement, typically including X, Y, Z, and rotational axes. This allows it to reach different positions in three – dimensional space and perform complex transfer operations, such as rotating the wafer to a specific orientation before placing it in the processing chamber.
- End – Effector Design: It is equipped with specialized end – effectors that are designed to grip the wafer gently but securely. The end – effectors can be customized according to the wafer size and material to prevent slippage and damage during transfer.
- Vision System Integration: Some models of the wafer handling robot are integrated with a vision system. The vision system can detect the position and orientation of the wafer on the source platform and adjust the robot’s movements accordingly to ensure accurate transfer. It can also perform quality inspection on the wafer surface during the transfer process.
- Application Scenarios:
- Front – End Semiconductor Manufacturing: In the front – end processes where wafers undergo a series of complex operations such as oxidation, diffusion, and lithography, the wafer handling robot is used to move wafers between different process chambers in a clean and controlled environment. This reduces the risk of contamination and human – induced damage to the wafers.
- Back – End Semiconductor Packaging: During the back – end packaging processes, where wafers are cut into individual chips and then packaged into final products, the robot is used to transfer wafers or chips between different packaging stations, such as die – bonding and wire – bonding machines.
