For portable imaging applications, New Scale Technologies Inc. has created a miniature version of its cryogenic Squiggle motor. Measuring 3.4 × 3.4 × 10 mm, the SQL-3.4-cryo operates continuously from room temperature to cryogenic temperatures of 77 K and below and enables precise active alignment of the optics at any temperature. The motor offers up to 30 mm of travel, depending on screw length, and holds its position with the power off. It operates at 5 mm/s, achieves 0.5-μm resolution and produces stall force of >100 g.

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