AFM Workshop

Atomic Force Microscope Manufacturer

50 Micron AFM Scanner

AFMWorkshop’s Piezoelectric Scanners are designed for use with Afmworkshop products that scan samples in the X- Y- and Z-axis. Samples are held in place on the 50 micron scanner with a removable cap. This flexure modified tripod scanner utilizes low voltage piezoelectric ceramics and temperature compensated strain gauges. Connections to the scanner are made with a 20-pin ribbon cable.

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Description

Model: PS-2010 & H-50

The PS-2010 & H-50 piezoelectric scanner is designed for use with AFMWorkshop’s TT-2 AFM and HR AFM, while the H-50 is designed for the HR-2D AFM. All scanners use temperature compensated strain gauges for linearizing scans in the X- and Y-axis. The PS-2010, PS-2019, H-100 and H-50 have a temperature compensated strain gauge in the Z axis, while the PS-2011 and H-15 do not. All scanners use a modified tripod flexure design for creating motion in the XY-axis. Motion is generated through a lever arm. Animations on the AFMWorkshop website illustrate how the scanners operate. Each scanner contains a PC board with circuits for measuring ceramic motion with the strain gauges as well as a 20 pin ribbon cable connector. The TT-2 and HR scanners are attached to the XY manual positioner with three M6 socket head screws.

Download 50 Micron Scanner Datasheetpdf icon

 

Sample Holding Stage

Mounted on standard AFM metal disks, samples are held on an aluminum metal plate with two magnets. As shipped, the sample holder is electronically grounded to the microscope stage to help eliminate unwanted effects from sample charging. Included with each scanner is a leveling sample puck. The puck enables samples to be leveled, reducing the AFM image background bow to less than a few nanometers. The leveling sample puck is magnetically held to the sample stage, and has three set screws to level the puck relative to the XY scan axis.

Interchangeable

The TT-2 AFM and HR AFM scanners are interchangeable. The HR 2D scanners (H-100,H-50 and H-15) are not interchangeable by customers. Scanners are removed from the TT-2 and HR AFM stage by unscrewing three M6 socket head screws and unplugging a 20 pin ribbon cable. It takes less than 5 minutes to remove one scanner and to replace it with another scanner.

Specifications

SCANNER SPECIFICATIONS 50 × 50 × 17
Engineering Specifications
XY Resolution 0.005 nm
XY Linearity <0.1%
Z Resolution 0.003 nm
Z Linearity <0.1%
Performance Specifications
XY Range 50 µm
XY Linearity <1%
XY Resolution
Closed Loop <3 nm
Open Loop <1 nm
Z Range 17 µm
Z Linearity
Open Loop <5%
Closed Loop <1%
Z Sensor Noise 1 nm
Z Feedback Noise <0.15 nm
Actuator Type Piezo
Design Modified Tripod
XY Sensor Type Strain Gauge
Z Sensor Type Strain Gauge

 

* Note: All resolution specifications assume the AFM is located in an environment free from structural and acoustic vibrations. All specifications are subject to change without notice.
** All HR 2D scanners have a different form factor (cover) than scanners pictured for the TT-2 and HR AFM.
*** Z Feedback noise is dependent on AFM stage selection.

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