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Electrical & Computer Engineering
Integrated Microfabrication Lab
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Purchasing Wafers

Company/Service Size Doping Grade- Prime Grade- Test Grade- Reclaim Substrate- Si Substrate- III-V Substrate- SIO Substrate- Glass Substrate- Other Orientation <100> Orientation <111> Orientation Other
Wafernet 50-450 mm N or P X X X X X X
University Wafer 25-300 mm N or P X X X X X X X X X X X
Silicon Quest Int. ? N or P X X X X X X X X X X ?
Pi-KEM (Compart Technology) 10-200 mm N or P X X X X X X X X X ?
PureWafer (Montco Silicon) 50-300 mm N or P surplus/discounts surplus/discounts surplus/discounts X X X X
Global Silicon Technologies 50-200 mm X - Epi Wafers X - Epi Wafers X - Epi Wafers
Polishing Corp of America 25-300 mm X X X X X
International Wafer Service 25-200 mm N or P X X X
Wafer World Inc. X X
Silicon Wafer Enterprises, LLC 50-300 mm N or P X X X X X X
NOVA 50-300 mm N or P X X X X X X
Virginia Semiconductor 25-200 mm N or P X X X X X X X
WaferPro 50-300 mm N or P X X X X X X X X X X