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Flattop/Extended-Travel Stages

Photonics.com
Jul 2010
Applied Scientific Instrumentation Inc.Request Info
 
EUGENE, Ore., July 28, 2010 — Applied Scientific Instrumentation offers an assortment of stages with flat tops and extended range of travel for robotic loading.

The MS-2500 stage provides 100 mm of Y-axis travel and 250 mm of X-axis travel, and works well on existing inverted microscopes. Custom OEM configurations are available including front-loading stages with more than 300 mm of Y-axis travel. All axes derive their precise control through the use of closed-loop DC servomotors employing high-resolution encoders for positioning feedback.

The XY stage uses crossed-roller slides, precision leadscrews and zero-backlash miniature geared DC servomotors for smooth and accurate motion. The stages come standard with rotary encoders with a resolution of 100 nm and bidirectional repeatability of better than 800 nm rms.

Resolutions down to 20 nm and repeatability accuracies of <300 nm rms can be obtained with optional linear encoders. Compact tabletop and OEM board-level controllers accept industry-standard commands, provide automatic backlash correction, and enable RS-232 and USB communication with a host computer.

The MS-2500 XY flattop stage’s extended travel makes for easy robotic loading or for holding more samples per stage insert. It accepts both standard 160 × 110 and wide 283 × 110 stage inserts. Total stage thickness is 54.1 mm, and only 29.3 mm from its flat obstruction-free top to its bottom mounting surface.

Using closed-loop control of the stage position eliminates the chance that the stage will become lost, as can occur with open-loop micro-stepped stages after a number of moves and direction changes.

A backlit LCD shows the axes’ coordinates. The stage features “zero” and “home” buttons for simple stand-alone operation.


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GLOSSARY
X-axis
1. In a plane Cartesian coordinate system, the horizontal axis, or axis in the left to right direction. 2. In a quartz crystal structure, the refrence axis.
Y-axis
1. In a plane Cartesian coordinate system, the vertical axis orthogonal to the X-axis. 2. In a quartz crystal structure, the line perpendicular to two opposite parallel faces of the crystal.
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