attoPUBLICATIONS attoCATALOG-2017/18 | Page 294

Linear Positioners
PAGE 292

ANPx312 | open loop bearing-based, linear, horizontal stepper positioner

10 mK.. 373 K 0.. 31 T 5E-11 mbar 6 mm 2 kg
STIFFNESS
++
Optimized for ultra-high stability applications( such as STM or optical cavity experiments), especially with high loads. Stiffness and resonance frequencies are still further increased.
Size and Dimensions
footprint; height
30 x 30; 12 mm
max installation space
36 x 30; 12 mm
weight
42 g
Materials( non-magnetic)
positioner body
titanium
actuator
PZT ceramics
bearings
ceramics
driving shaft
ceramics
connecting wires
insulated twisted pair, copper
Options
environmental options
/ RT, / HV, / UHV, / LT, / LT / HV, / LT / UHV
material option
---
encoder options
/ RES
high load option
---
Compatibility with Electronics
open loop controller
ANC300: ANM150, ANM300
Coarse Positioning Mode
travel range( step mode)
6 mm
typical minimum step size
100 nm @ 300 K, 20nm @ 4 K
max. drive velocity(@ 300 K, no load)
approx. 3 mm / s
Fine Positioning Mode
fine positioning range
0.. 5 ยต m @ 300K, 0.. 0.8 @ 4 K
fine positioning resolution
sub-nm
Accuracy of Movement( open loop)
repeatability of step sizes
typically 5 % over full range
forward / backward step asymmetry
typically 5-10 %
Load @ Ambient Conditions( mounting orientation: axis horizontal)
maximum vertical load
20 N( 2 kg)
maximum dynamic force along the axis
2 N