System, method and apparatus for obtaining true roughness of granular media

System, method and apparatus for obtaining true roughness of granular media

  • CN 101,451,829 A
  • Filed: 12/04/2008
  • Published: 06/10/2009
  • Est. Priority Date: 12/04/2007
  • Status: Active Application
First Claim
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1. the measuring method of a workpiece surface finish comprises:

  • A provides the dish with surface, and this surface has the pattern of peak and paddy;

    B forms the inverse replica of the described pattern of at least a portion;

    AndC measures the appearance and size of described inverse replica with the surface that obtains described dish.

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