Rebuilt Lapmaster Wolters Model 48NC Wafer Grinder
Reconditioned Lapmaster Wolters 48NC flat lapping/grinding machine for semiconductor wafer surface preparation to nanometer tolerances. Fits HTS 8460.90.40.10 as used NC grinding/lapping tool for cermets.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If non-NC lapping machines
Numerical control determines 8460.90 subheading.
If with integrated profilometer
Optical/precision measuring machines for wafers in Chapter 90.
If for mechanical wafer thinning only
Different semiconductor processing steps use separate headings.
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Import Tips & Compliance
• Calibration certificates for flatness accuracy essential for clearance
• Document prior fab installation to prove used status
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