[Spm] Hardness measurement procedure

[Don Chernoff at ASM]

When measuring hardness by nanoindentation, one measures the size of the indent mark.  Does it matter whether the size is measured as area or depth?  Is it better to measure area or depth?

regards,
Don
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Don Chernoff, Ph.D., President
Advanced Surface Microscopy, Inc.    E-Mail:  donc at asmicro.com
3250 N. Post Rd., Ste. 120           Voice:   317-895-5630
INDIANAPOLIS IN 46226  USA      Toll free: 800-374-8557 (in USA & Canada)
web:  http://www.asmicro.com         Fax:     317-895-5652
[business activities:  analytical services in AFM, AFM probes, consulting, training,
calibration and test specimens, calibration and measurement software,
 used NanoScope equipment.] 2009-2010 is our 20th year in business!
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