ALIO Industries’ ThruSight-Theta delivers ultra-low-profile rotary motion with true backside access for precision optical and advanced packaging applications. Featuring cog-free torque, a large through-hole design, absolute encoder feedback, and high continuous torque in a compact 25 mm form factor, ThruSight-Theta enables shorter optical paths, cleaner integration, and deterministic rotary performance for modern high-duty tools. ThruSight-Theta — Ultra-Low-Profile Rotary with True Backside Access When rotational precision and optical access must coexist, ThruSight-Theta delivers cog-free torque and best-in-class torque-to-height in a body just 25 mm tall. A generous 110 mm through-hole enables backside illumination and process access without extra stack height; absolute encoder feedback provides position on power-up; and 1 Nm continuous torque supports dynamic, high-duty trajectories with low jitter. Engineered as a drop-in, integration-friendly axis, ThruSight-Theta unlocks shorter optical paths, cleaner cable routing, easier service, and deterministic rotary behavior for modern tools. Ideal for: digital pathology and genome sequencing (clearer transmitted illumination), silicon photonics and advanced packaging (backside access for microlens placement and high-efficiency coupling), and flip-chip, bonding/de-bonding, thinning, and laser ablation where through-axis access is essential.
Nano Z® – Dual Voice Coil Stage with Air Bearings When Nanometer-Level Vertical Precision Is the Priority Some applications place ultimate Z-axis precision above almost every other consideration. ALIO's patented NANO Z® architecture combines air bearings with dual voice-coil motors to provide frictionless vertical motion in a compact platform. By aligning vertical force with the payload, the architecture reduces the cantilever effects that can translate into pitch, yaw and roll errors at the work point. The system offers up to 50 mm of travel, while variable counterbalancing enables demanding payloads such as wafer chucks to be managed without surrendering nano-level positioning performance. Air-bearing operation also eliminates mechanical contact and associated friction, supporting extremely smooth motion and repeatability into the low double-digit nanometer range. For semiconductor processing, advanced metrology and other applications where vertical motion can directly influence measurement or process integrity, NANO Z® provides precision by architecture rather than compensation. View datasheet
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ALIO’s Micron 2 Rotary Stages utilize frameless torque motors and angular contact, duplex pair bearings. These stages are designed to achieve maximum possible throughput without compromising on precision, regardless of whether the application requires a smooth, continuous movement or a fast step and settle process. Also allowing decent sized apertures, those rotational stages are used in a broad selection of applications and industries such as industrial manufacturing, photonics or semiconductor metrology. Micron II Rotary: AI-TM-(DIAMETER)RA-UII
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ALIO Industries offers mechanical bearing rotary stages with angular contact bearings to meet the requirements of applications that demand a compact and flat rotary stage with a decent aperture size. With torque motors, these stages enable a smooth continuous movement or a step-and-settle process over the full 360 degrees, without compromising precision or throughput. The stages are highly versatile and suitable for various industries and applications. To know more about this family of stages, check out the spec sheet.
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ALIO Industries' open-center rotary stages utilize tangential linear direct drives with angular contact bearings for up to +/-7.5 degrees of angular movement and an extreme aperture. These stages are ideal for high-precision applications, including the semiconductor, metrology, and life science industries. With rigid bearings and a powerful linear direct motor, they are designed to meet the high-throughput needs of the high-precision market. Download our product spec sheet for more details.
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