General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 30866-2014
Scope
This standard specifies the method for measuring the diameter of a silicon carbide single wafer with a micrometer. This standard applies to the measurement of the diameter of a silicon carbide single wafer.
GB/T 30866-2014 history
2014GB/T 30866-2014 Test method for measuring diameter of monocrystalline silicon carbide wafers