Agilent Technologies E5500 Series Guide de l'utilisateur télécharger pdf (Page 36)

Agilent 5500 SPM Components 2

Agilent 5500 SPM User’s Guide 36

Nose Assembly

The nose assembly retains the cantilever and enables its motion. A

spring clip on the nose assembly secures the probe in place. The nose

assembly is held securely in the scanner by an O-ring.

One-Piece Nose Assemblies

The most widely used nose assemblies consist of a single unit which is

installed in the scanner (Figure 12). One-piece nose assemblies are

available for different modes and may include additional electronics

and/or components. For example, the Top MAC nose assembly includes

a coil that provides an oscillating magnetic field.

Additionally, nose assemblies are designed to hold the probe at either

nine degrees or eight degrees from horizontal. Nine degree nose

assemblies are used for general purpose imaging, while both nine and

eight degree nose assemblies are used for imaging in liquid.

Figure 12 One-piece nose assemblies. Clockwise from upper left: Top

MAC, CSAFM, Contact Mode, AC Mode, STM

Two-Piece Nose Assemblies

The all-metal, two-piece nose assembly (Figure 13) was designed to

simplify the process of inserting a cantilever. It also helps prevent

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Agilent Technologies E5500 Series Guide de l'utilisateur Page 36