Reclaim Wafers
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What is a reclaim silicon wafer?
After removing the unwanted film from a wafer, the wafers are then polished, cleaned and sent back to the original customer for use as a test wafer. The process returns a wafer that is functionally equivalent to a new test wafer except for a slight reduction in thickness. Significant cost savings compared to a new test wafer provides a strong incentive to use reclaim wafers in any test wafer application.
Once a reclaim wafer has been recycled and becomes too thin or breaks during processing the wafer is no longer viable for semiconductor use, but becomes a great source for remelt in the already poly-shortage driven Solar Industry.
We have an ongoing supply of semiconductor reclaim wafers. The two catagories primarily used in the Solar Industry are as follows:
- P Type > 0.5 ohm-cm
- N Type > 1 ohm-cm
- Reclaim Wafers: 25mm
- Reclaim Wafers: 50mm
- Reclaim Wafers: 76.2mm
- Reclaim Wafers: 100mm
- Reclaim Wafers: 125mm
- Reclaim Wafers: 150mm
- Reclaim Wafers: 200mm
- Reclaim Wafers: 300mm