Aerotech - Motion Control and Positioning Systems. Since 1970, Aerotech has been providing custom manufactured, top quality motion control products and positioning systems to medical, industrial, research, educational, and government customers.
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Home >> Air Bearing Stages Quick Select Guide

Aerotech’s air bearing tables are driven by our brushless linear servo motors incorporating over three decades of knowledge designing high precision motion control and positioning systems. Our air bearing stages integrate an active preload on both vertical and horizontal surfaces and an opposing thin-film pressure maintains the bearing nominal gap tolerance. This air bearing stage design, in addition to the large air bearing surface that distributes the load over a large surface area, results in outstanding stiffness that is perfect for heavy or offset loading. Our air bearing stages and tables our ideal in semiconductor equipment, fibre optics, photonics, and other critical industrial automation applications. Our air bearings have unsurpassed geometrical characteristics due to proprietary manufacturing techniques. The air bearings have an inherent averaging effect that maxmizes performance and the thin film fills small surface voids and other irregularities, yielding superior pitch, roll, yaw, and straightness and flatness specifications.


 Linear Air-Bearing Stages

Air Bearing Tables
Air Bearing Tables
Air Bearing Tables
ABL1000 Air Bearing Stage ABL1500 Linear Motor Stage ABL1500-B Air Bearing Stage

The ABL 1000 series stages are the highest performance miniature air-bearing stages available. Aerotech has combined over 30 years of precision motion control and positioning system experience with the latest technologies to produce a truly outstanding miniature, linear air-bearing stage.

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The ABL1500, with its fully active preload, exceptionally high stiffness, and excellent geometric characteristics was designed specifically to meet those demands.

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The ABL1500-B continues the exceptional performance of the ABL1500, but uses an integral bellows system to provide a high level of environmental protection. This system protects the air bearings and drive system from process-generated contamination like abrasive debris.

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Travel

≤150 mm

Accuracy

±0.20 µm

Repeatability

±0.05 µm

Straightness

±0.25 µm

Flatness

±0.25 µm

Travel

≤500 mm

Accuracy

±0.2 µm

Repeatability

±0.1 µm

Straightness

±0.25 µm

Flatness

±0.25 µm

Travel
≤500 mm
Accuracy
±0.3 µm
Repeatability
±0.15 µm
Straightness
±0.25 µm
Flatness
±0.25 µm

Air Bearing Tables
Air Bearing Tables
Air Bearing Stages
ABL1500WB Air Bearing Stage ABL1500WB-B Air Bearing Stage ABL2000 Air Bearing Stage

The ABL1500WB is a wide-base version of the ABL1500 series air-bearing stage. The wider base makes the ABL1500WB ideally suited for applications with large offset loads, and it is ideal as the lower axis in XY stage systems with large travel. The ABL1500WB incorporates dual linear motors, effectively doubling the force output of a standard ABL1500 stage.

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The ABL1500WB-B is a wide-base, environmentally protected version of the ABL1500 series air-bearing stage. The wider base makes the ABL1500WB-B ideally suited for applications with large offset loads, and it is ideal as the lower axis in XY stage systems with large travel. The ABL1500WB-B incorporates dual linear motors, effectively doubling the force output of a standard ABL1500 stage.

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The ABL 2000 combines excellent pitch/yaw characteristics with unsurpassed velocity control that is necessary for wafer imaging, defect detection and coating applications.

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Travel
≤500 mm
Accuracy
±0.4 µm
Repeatability
±0.1 µm
Straightness
±0.5 µm
Flatness
±0.5 µm
Travel
≤500 mm
Accuracy
±0.5 µm
Repeatability
±0.25 µm
Straightness
±0.5 µm
Flatness
±0.5 µm

Travel

≤1200 mm

Accuracy

±0.50 µm

Repeatability

±0.20 µm

Straightness

±0.25 µm

Flatness

±0.25 µm


Air Bearing Stages
Air Bearing Tables
Air Bearing Stages
ABL3600 Air Bearing Stage ABL8000 Air Bearing Stage ABL9000 Air Bearing Stage

The ABL3600 dual-axis, large aperture, open-frame, airbearing stage addresses the unique needs of scanning microscopy and mask and wafer inspection.

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The ABL8000 incorporates a modified cross section design that dramatically increases stiffness and stability. This is useful for large payloads whose C.G.’s are off of the carriage centerline.

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The ABL9000 is simply the world’s highest performance air bearing. Designed to meet the exacting requirements of wafer, flat panel display, and optical inspection and fabrication, the ABL9000 sets new standards of performance.

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Travel

≤250 mm

Accuracy

±1 µm

Repeatability

±0.2 µm

Straightness

±0.5 µm

Flatness

±1 µm

Travel

≤1000 mm

Accuracy

±0.50 µm

Repeatability

±0.20 µm

Straightness

±0.40µm

Flatness

±0.40µm

Travel

≤1200 mm

Accuracy

±0.5 µm

Repeatability

±0.1 µm

Straightness

±0.50µm

Flatness

±0.50µm


Air Bearing Tables Air Bearing Gantry  
AHL9000 Linear Motor Stage ABG10000 Air Bearing Gantry  

The AHL9000 linear motor stage combines air bearings for the scan axis and mechanical bearings for the step axis, and has been designed for demanding applications that require excellent step and scan performance.

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The ABG10000 Air Bearing Gantry puts Aerotech’s core technologies and extensive manufacturing capability to work for you, providing outstanding performance and versatility in a wide range of automation applications.

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Travel

≤350 mm

Accuracy

± 1.0 µm

Repeatability

±0.2 µm

Straightness

±0.6 µm

Flatness

±0.6 µm

Travel

≤1000 mm

Accuracy

± 2 µm

Repeatability

±0.5 µm

Straightness

±1 µm

Flatness

±1 µm

 



Rotary Air-Bearing Stages

Rotary Air Bearing Stage
Rotary Air Bearing Stage
 
ABRS Rotary Air Bearing Stage ABRT Rotary Air Bearing Stage  

Aerotech’s ABRS series rotary air-bearing stages provide superior angular positioning, velocity stability, and error motion performance in an exceptionally low-profile package.
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Aerotech's ABRT series rotary air-bearing stages provide superior angular positioning, velocity stability, and error motion performance along with impressive payload capacity and outstanding radial and axial stiffness.
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Tabletop Diameter

128.1-278.1 mm

Resolution

0.18-0.036 arc sec

Bidirectional Repeatability

<1 arc sec

Tabletop Diameter

100-200 mm

Resolution

0.055-0.027 arc sec

Bidirectional Repeatability

<1 arc sec

 
Rotary Air Bearing Stages

 

  

 
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Aerotech is a motion controller and motion control systems manufacturer.