For the loading and unloading of wafer carriers, Montech has developed a conveyor that ensures soft and easy handling. A key feature is that the unloading conveyor is made up of just a pair of belts and a drive, thus offering a cost-effective as well as efficient solution for loading and unloading of wafer carriers.

Problem

The use of thinner wafers to reduce the cost per watt, requires better wafer handling techniques and a complete elimination of manual handling to limit wafer breakage. Compared to convention carrier loading/unloading solutions based on handling components, wafers are carried more accurately and softly with an unloading conveyor.

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Solution

Thanks to its modular concept, the belt conveyor can be tailored to the specific needs of each user in terms of length and width. The distance between the wafers in the carrier is leveraged optimally, as the idle roller diameter in the sliding section is just 8 mm. The unloading conveyor is a double-belt system including a fixed section and a sliding section with 160 mm stroke. The sliding section runs into the carrier driven by a pneumatic cylinder.

Applications

Loading and unloading of wafer carriers.

Platform

In its standard configuration, the unloading conveyor is available in 125×125 mm and 156×156 mm versions. The drive unit can be placed in the middle, on the right or left as needed. The drive roller diameter is 30 mm. The sliding section has a total thickness of 9.6 mm and a total width of 100 mm.