High Precision XY-Tables for High Performance 2-Axis Linear Positioning Applications

PI, a global leader in multi-axis nano positioning and precision motion control, has extended its selection of high resolution XY-tables for applications including laser processing, semiconductor metrology, bio-technology, microscopy, and life sciences.

Image Credit: PI (Physik Instrumente) LP

Several classes of XY-tables are now available:

  • Air bearing XY tables provide the highest accuracy, performance and lifetime, since they contain no mechanical elements to wear. PI’s new A-322 PIglide Ultra version is based on an XY dual gantry design with liquid-cooled high-performance 3-phase linear motors and absolute linear encoder. This air bearing table can cover an XY linear motion travel range up to 500x1000mm with resolution to 1 nanometer.
  • Integrated XY-tables with mechanical bearings and direct-drive motors. These 3-plate integrated XY-tables provide a lower profile compared to stacked XY-linear stages. While not as precise as an air bearing table, orthogonality of integrated 2-axis tables is typically an improvement over stacked XY-tables built from single-axis linear tables. For higher load and lower velocity applications, the integrated 2-axis stages are also available with ball-screw drives.
  • Piezo-Flexure-Guided XY-Tables. 2-axis nanopositioning tables with piezo drives and flexure guides are often used in super-resolution microscopy, fiber-optic and semiconductor applications. Due to their high stiffness and low mass, piezoelectric XY-tables can provide high scanning frequencies while delivering sub-nanometer precise motion.

Working with You

PI’s in-house engineered solutions have enabled customers around the world to increase their productivity and technological advantage for 5 decades. With a large basis of proven motion technologies and methodologies, PI is in the position to quickly modify existing designs or provide a fully customized OEM solution to fit the exact requirements of your application from sensors and piezo transducers to microscope nano-focus units, fast photonics alignment systems to multi-axis automation sub-systems.

Source: http://www.pi-usa.us/en/

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