Probes of the 11 series have four different cantilevers, two on each side of the holder chip. They can be used in various applications.
A wear-resistant coating with thickness 20 nm is applied to the tipside of the cantilever. The coating is chemically inert and more hydrophobic than Si with natural oxide layer.
Wear-resistant coating with thickness 20 nm on the tipside of the cantilever. Al coating with thickness 30nm on the backside of the cantilever.