Agilent Technologies Nano Indenter G200 User Manual page 252

Agilent Nano Indenter G200 User's Guide
Tips which are physically flat at their apex require an area function with
a constant term. For this reason, Tip Area Constant (C) has been added
to the tip definition. When using the Tip Area Constant input, the area
function will resemble:
2
A = C + m d +
o
For example, the area function for an ideal flat-ended cylinder with
radius, a, of 20 microns will be:
2
A = pa
2
A = p(2000 nm)
9 2
A = 1.2566E nm
Notice that all m terms are zero as shown in
n
Figure 6-47Parameters in Configure Tip Parameters dialog box
Commonly Used Procedures 6
1 2 
m d + m d + m d
1 2 3
Figure
1 4  1 8 

+ m d +
4
(1)
6-47.
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