Table 1:
Dimensional parameters of all the particles used for adhesion measurements. The values are averaged for 10 particles per particle type.
Microsphere
supplier
Chemical composition
Actual diameter
Actual surface roughness (
1
×
1
𝜇
m
2
area) RMS (nm)
Bangs Laboratories
Silica
4
.
5
3
±
0
.
0
7
𝜇
m
3
.
5
±
1
.
3
Microspheres-nanospheres Company
Silica
3
0
.
1
8
±
0
.
1
6
𝜇
m
1
4
.
3
±
7
.
2