Method and apparatus for detecting uneven surface defect

Method and apparatus for detecting uneven surface defect

  • CN 101,688,851 A
  • Filed: 08/20/2008
  • Published: 03/31/2010
  • Est. Priority Date: 08/23/2007
  • Status: Active Application
First Claim
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1. the detection method of the uneven surface defect of a magnetic metal is characterized in that, surveys the signal that the distortion by the uneven surface defect of 0.5~

  • 6 μ

    m causes.

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