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| MS-4-360R Stage
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The Stage MS-4-360R is a low cost (Rack and pinion) system, that offers 4"
of radial travel (R) and 360° rotation (Theta) in a thin (1" thick) stage. The
stage easily attaches to most microscopes with its standard circular dovetail
mount, and has adjustable stage centering.. The rotary table has a 1/8" center
pin (concentric to .00003") for accurate sample mounting. The Theta control is
capable of locating a desired (R, theta) point, or of continuous rotation. The
R- theta stage is accurate to 15um with submicron resolution. The unit also provides
control of the microscope Z-axis with a motor drive which easily attaches to most
microscopes and has up to 0.1um resolution. The stage 4360 provides precise control
of the R axis speed through an exceptionally smooth joystick. The speed is proportional
to joystick deflection providing velocities from as slow as single steps to full
traverse speed. A rotary knob provides variable speed theta control, from single
steps to full traverse speed, with "turbo" at the extremes for quick traverse.
Remote z-axis focus is provided via a focusing knob on the controller. The unit
also provides three user-selectable sensitivities for the joystick, theta control
and Z-knob for added adaptability. The unit can be controlled manually or by the
user's external computer via standard RS-232 commands. R, theta and Z coordinates
are displayed locally on the controller's LED display. These coordinates are also
available via RS-232. The stage 4360 is an economical unit that works well in
a wide range of applications. Custom versions and modifications can be made for
a nominal price.
 
Features
- Three user-selectable speed sensitivities (joystick/rotary knob)
- RFI shielded cast aluminum tabletop controller (size 7"D x 10.5"W x 3"H)
- LED display of R, Theta, and Z coordinates
- Complete remote control via RS-232C serial communications
- Maximum speed in excess of 25mm/sec or 1/7 rotation per sec
- Remote focus of the Z-axis via rotary knob on controller
- User-adjustable R-axis limit switches
Specifications
| R axis range of travel |
4" |
| R axis repeatability |
±15 µm |
| R axis resolution |
0.678 µm |
| Theta range of travel |
360° |
| Theta repeatability |
±0.026° |
| Theta resolution |
0.0013° |
| Z-axis travel |
Entire microscope focus travel |
| Z-axis resolution / step size |
0.1µm / 0.2µm (depends on microscope) |
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