Silicon Wafer Grades for Research & Production

Silicon Wafer Grades

What substrate grade do I need for my research? UniversityWafer, Inc. can help you source the correct grade that fits your research and budget.

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Prime Grade

Prime grade silicon wafers are used for everything up to production such as building devices.Thus they are referred to as device quality as they are used to make semiconductor devices. Tolerances on prime grade silicon are much tighter than the other grade. Hence prime grade si are usually more expensive than then the other grades all specifications being equal! If you have any doubt which grade will work for you and you don't have the time to research then go with prime grade!

Test Grade

Great for researchers in need of inexpensive silicon. Test grade silicon wafers can be used for a variety of purposes including equipment testing. Monitor grade is another name used for test grade. Monitor grade silicon wafers are used in testing and managing the control of semiconductor fabrication lines and processes. Test/Monitor are affordable as they don't have the same tight specification as prime. 

Mechanical Grade

Mechanical grade is the lowest quality wafer. These are used for a number of processes including spin coating, equipment testing and training.