The 12Pt400B is RMN’s probe with the lowest spring constant. It is most useful for contact AFM measurements with minimum contact force (SCM and SMM).
Material: Solid platinum probe tip and cantilever supported on standard AFM probe sized ceramic chip, connected to conductive gold bonding pad with conductive epoxy.
Tip shank length: 80 μm (± 25%)
Cantilever length: 400 μm (± 15%)
Cantilever width: 60 μm (± 15%)
Spring constant: 0.3 N/m (± 40%)
Frequency: 4.5 kHz (± 30%)
Tip radius: < 20 nm
<10 nm tip radius available! (12Pt400B-10)