2023GB/T 6616-2023 Non-contact eddy current method for testing semiconductor wafer resistivity and semiconductor film sheet resistance
2009GB/T 6616-2009 Test methods for measuring resistivity of semiconductor wafers or sheet resistance of semiconductor films with a noncontact eddy-current gauge
1995GB/T 6616-1995 Test method for measuring resistivity of semiconductor silicon or sheet resistance of semiconductor films with a noncontact eddy-current gage