Fast Microscope Automation Piezo-Z-Stage Speeds up 3D-Imaging


PI (Physik Instrumente) L.P. -- the inventor of high-speed Piezo-Z objective steppers--introduces the new P-737 PIFOC® Piezo-Z Stage, the highest performance nanopositioning Z control system on the market.

The P-737 specimen Z-stage is a new member in a large family of products for microscope automation. Specifically designed for biotech research microscopes utilizing deconvolution and 3D imaging techniques, the P-737 PIFOC® specimen Z-stage features up to 250 µm travel, millisecond responsiveness and nanometer precise motion under closed-loop control.

Piezo-Z stepper, deconvolution microscopy, 3D imaging, autofocusing, scanning microscopy, biotechnology, z-stack acquisition.


Piezo Z-Stages and Objective Steppers
The P-737 PIFOC stage is an addition to the extremely successful PIFOC® brand of high-speed piezo objective Z-steppers. While no sample stage can beat the speed of the fastest PIFOC® objective positioners (due to the stiffer, more compact design), the P-737 PIFOC® stage allows for millisecond sample settling enabling convenient Z-stack imaging with multiple objectives and very high throughput.

Piezo Z-Stages vs. Conventional Stepper Focus Drives
The fast response of the P-737 fully utilizes the high throughput of the latest digital imaging systems and achieves 10 to 50 times faster response than conventional stepper motor focus drives.

The P-737 PIFOC® stage is available with a number of analog and highly sophisticated digital piezo controllers and can be controlled through digital interfaces as well as by fast analog signals through a high-speed 0-10V input. The system is fully compatible with all leading imaging acquisition packages. For ease of integration, a comprehensive set of LabView™ drivers is included, even for the analog control option.

Application Examples
3D imaging, Z-stack acquisition, autofocusing, scanning and alignment tasks in microscopy, biotechnology.

Features & Advantages
- Choice of Travel Ranges: 100 µm or 250 µm
- Choice of Controllers: Digital, Analog w/ Display or Compact Controller
- Custom Tuning for Highest Speed (few Milliseconds per Step)
- Compatible w/ all Major Image Acquisition Packages
- Closed-Loop for Nanometer Precise Motion Control

About PI
PI, a global, ISO 9001 certified leading manufacturer of nanopositioning and precision motion-control equipment for, biotechnology, life science, nanotechnology, nanoscale manufacturing, photonics and semiconductor applications, has been developing and manufacturing standard, custom and OEM products with piezo and motor drives for 35+ years. PI is present worldwide with eight subsidiaries and total staff of 450+.


• Active axes – Z • Integrated sensor - SGS • Open-loop travel, -20 to +120 V- 550 • Closed-loop travel – 500 • Open-loop resolution- 1.6 • Closed-loop resolution – 5 • Linearity, closed-loop - 0.8 • Repeatability – 15 • Rotation around X - ±36 • Rotation around Y - ±100 • Unloaded resonant frequency – 120 • Resonant frequency @ 100 g – 115 • Resonant frequency @ 200 g – 100 • Push/pull force capacity in motion direction - 50 / 20 • Ceramic type - PICMA® P-885 • Electrical Capacitance - 13.8 • Dynamic operating current coefficient - 3.5 • Operating temperature - -20 to 80 • Dimensions - 220.5 x 150 x 27.3 • Mass - 0.8kg
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