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New Scale Technologies, Inc. announced its M3-RS-U2-4.5-360 Rotary Smart Stage, a miniature positioning module that simplifies the task of embedding high-precision rotary motion into scientific and industrial instruments. The latest addition to the M3 Smart Stage family features lower cost for high-volume production. It provides point-to-point angular positioning with closed-loop resolution better than 0.022 degrees and bandwidth of ~100 Hz. 

  • See the newest M3 Rotary Smart Stage in Booth 263 at Photonics West Jan. 31-Feb. 3, 2023. 

M3 Smart Stages integrate piezoelectric motors, position sensors, and built-in controllers in compact modules that accept direct digital input from a system processor. Providing precision motion of mirrors, optics or mechanical components, they enable instrument designers to transform benchtop systems and large, complex instruments into smaller, affordable, easy-to-use devices.  

Applications include point-to-point beam steering and optical tuning in imaging systems, point-of-care and clinical instruments, next-gen sequencing (NGS) instruments, industrial measurement and spectroscopy instruments, laser printing and engraving systems, and more. 

The M3-RS-U2-4.5-360 Rotary Smart Stage features absolute position encoding and continuous 360° rotation. It measures less than 12 x 22 x 16 mm including the built-in controller. It accepts direct input of high-level digital motion commands from a system processor over UART, SPI, I2C or analog servo interface. With 3.3VDC input, it is suited for hand-held and battery-powered devices. 

M3-RS-U2-4.5-360 specifications  

  • Motion Range:      360 deg continuous rotation 
  • Speed:                      >1,000 deg/sec (point-to-point positioning bandwidth ~100 Hz) 
  • Payload Mass:       3 g (mounted to rotating shaft) 
  • Resolution:             ~0.022 deg with absolute encoding - no need to home the stage on power-up 
  • Dimensions:           11.75 x 21.9 x 16 mm - including controller 
  • Voltage/Power:    3.3 VDC, ~750 mW moving / 50 mW standby  
  • Controller:              64 MIPS, integrated into stage 
  • Interface:                Direct input of I2C, SPI, UART, Analog Servo 

For complete specifications see  

DK-M3-RS-U2-4.5-360 Developer’s Kits are available from New Scale Technologies. Delivery is from stock to 6 weeks. A developer’s kit includes one M3-RS-U2-4.5-360 Rotary Smart Stage, the powerful New Scale Pathway development software, a USB adapter and breakout board, cables, and accessories.   

M3 “micro-mechatronic module” platform delivers key benefits 

The M3-RS-U2-4.5-360 Smart Stage is part of New Scale’s M3 “micro-mechatronic module” product lineup: the smallest, highest resolution, most repeatable closed-loop positioning solutions available. Each M3 smart module integrates New Scale’s patented and proprietary SQUIGGLE® or UTAF™ piezoelectric motors, drive electronics, position sensors, micro mechanical guides, and control technologies. These “all in-one” smart modules plug-and-play directly with an embedded processor and provide the fastest time to market with the lowest total cost.  

Labels: New Stage,microstage,precision embedded motion,Photonics West 2023

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