Nanotechnology and Advanced Motion Controlled Positioning Systems
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Air Bearing Motion Systems
ALIO has development leading edge True NANO ™ air bearing motion system for a wide range of applications in manufacturing, inspection/repair and metrology. With several patent pending designs for Planar and Nano Z ™ ALIO is well positioned for the next application demands of TRUE NANO ™ precision in PV, Semiconductor, Ink Jet Deposition and Optical inspection

Patent pending Air Bearing Planar with patent pending NANO Z ™ and Nano Rotary, 4 axis system with Precitec laser sensor
System Travel |
300 mm x 300 mm |
500 mm x 500 mm |
1 meter x 1 meter |
Drive System |
Advanced Ceramic Servo Motor or Ironless Core Linear Motor |
Feedback System |
Non Contact Optical Encoder or Laser Interferometer Feedback |
Resolution - Linear Encoder |
5 nanometers with 4096x Interpolation |
Resolution - Laser Interferometer |
38 picometers with 4096x Interpolation |
Load |
Load Capacity is Sized for the Application (Please Consult the Factory) |
Accuracy - Linear Encoder (XY) |
Better Than +/- 0.5 um |
Better Than +/- 0.75 um |
Better Than +/- 1.0 um |
Accuracy - Laser Interferometer (XY) |
+/- 10 ppm Standard, +/- 1.5 ppm Compensated |
Repeatability - Linear Encoder (XY) |
+/- 50 nm |
+/- 60 nm |
+/- 80 nm |
Repeatability - Laser Interferometer (XY) |
+/- 10 nm |
+/- 20 nm |
+/- 30 nm |
Straightness |
+/- 0.5 um |
+/- 1.0 um |
+/- 1.5 um |
Flatness (XY, Dependant on the Granite) |
< +/- 0.5 um |
< +/- 0.5 um |
< +/- 1.0 um |
Pitch/Roll |
< 1 arc-second |
Yaw |
1 arc-second |
Orthogonality |
1 arc-second |
NANO Z ™
Increased demands for True NANO ™ metrology and process lead ALIO to design and manufacture the NANO Z™ patent pending Z lift air bearing stage to exceed all past design issues of tip and tilt while increasing the accuracy to less than 100 nanometers with standard Renishaw Invar encoders. The counterbalance NANO Z™ can easily hold heavy vacuum wafer chucks and still excel with nano precision over 24 mm of travel.

NANO Z™ stage shown on the ALIO TRUE NANO POSTIONING™ XY Mechanical Bearing Stage

3-AXIS AIR BEARING METROLOGY SYSTEM with LASER Interferometer feedback and NEWWAY linear air beainings
updated: 02/
24/2010
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Data Sheets |
CERAMIC SERVO MOTORS
LINEAR SERVO MOTOR
Linear AI-LM-20000
Linear AI-LM-30000
CUSTOM AIR BEARINGS
XY PLANARS
300 mm
500mm
1M
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