Roughness measuring method and apparatus

Details Roughness measuring method and apparatus Roughness measuring method and apparatus

2005-05-03

2005-05-03

Williams, Hezron (Department: 2856)

Measuring and testing

Surface and cutting edge testing

Roughness

C073S104000

Reexamination Certificate

active

06886394

ABSTRACT:
In the roughness measuring apparatus, a parameter to be evaluated and its maximum value are set by using a keyboard. If there is an evaluated area with a roughness over the maximum value among the roughness values which have been computed, a roughness is computed by using only measurement data of an evaluated area with a roughness value which is the same or under the maximum value, and a roughness is computed by using only measurement data of an evaluated area with a roughness value over the maximum value.

REFERENCES:
patent: 5740616 (1998-04-01), Seddon et al.
patent: 6435014 (2002-08-01), Palmquist et al.

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