Description
Key Technical Specifications
- Model Number: UGRMEM-01SNQ12
- Manufacturer: Yaskawa
- Series/System: Minertia / Utopia Precision Motion
- Motor Type: High-Response AC Servo / Minertia Motor
- Application Class: Semiconductor Manufacturing / Optical Lithography
- Precision Level: Micro-step positioning, high dynamic response
- Mechanical Design: Streamlined profile, high mechanical & electrical lifespan
- Mounting: Precision flange / DIN standard compatible
- Thermal Stability: High thermal stability for continuous precision operation
- Associated Controller: Utopi / Yaskawa Servopack
Functional Role & Application Analysis
The Yaskawa UGRMEM-01SNQ12 is a specialized Minertia servo motor engineered for extreme precision in semiconductor manufacturing and optical lithography equipment. Engineers deploy this motor to solve the most demanding motion control challenges, such as operating high-speed shutter mechanisms in I10 lithography machines. It provides the micro-step positioning and high dynamic response required to align wafers and optical components with sub-micron accuracy.
Typical deployment scenarios include:
- Semiconductor Lithography: Driving precision shutter controls and alignment stages in advanced wafer fabrication equipment.
- Optical Manufacturing: Providing ultra-precise motion control for lens assembly and optical inspection machinery.
- High-Speed Automation: Serving as the primary actuator in OEM semiconductor equipment requiring rapid, repeatable micro-movements.
- Legacy Equipment Maintenance: Replacing failed Minertia motors in aging fabrication tools to maintain critical production uptime.
Our Quality Standard & Testing Process
We understand that a failed servo motor in semiconductor equipment can compromise an entire production run. Sourcing obsolete precision hardware carries risk, and we mitigate that risk through a strict, multi-stage validation process. Every UGRMEM-01SNQ12 motor we ship is verified functional, not just visually inspected. We do not sell untested pulls.
- Visual & Component Inspection: Technicians clean the motor housing and inspect for physical damage, bearing wear, or compromised connectors, paying special attention to the precision mounting flange.
- Live System Test: The motor is installed in a live Yaskawa test bench and powered up to verify winding integrity, encoder feedback, and stable current draw under no-load conditions.
- Full-Function Diagnostics: We connect a precision servo drive to verify high-response dynamics, confirm micro-step positioning accuracy, and validate thermal stability during extended operation.
- Warranty Backing: Only motors passing all diagnostic tests are approved for shipment. Every unit is backed by our full 12-month warranty, giving you confidence in critical infrastructure.

UGRMEM-01SNQ12
Compatibility & Migration Paths
Do not assume all Minertia motors are interchangeable. The UGRMEM-01SNQ12 has specific mechanical and electrical requirements. Verifying these details before ordering prevents costly downtime and return logistics.
- Firmware/Hardware Revisions: Confirm your Yaskawa Servopack or Utopi controller firmware supports this specific motor model. Older controllers may require parameter updates or firmware patches.
- Required Components: Verify the exact mechanical flange dimensions and shaft specifications match your existing installation. Ensure the associated encoder cable and power cables are in good condition.
- Replacement & Alternatives: The UGRMEM-01SNQ12 is often paired with the UTOPI-100MX designation. Verify both part numbers match your application. If this model is unavailable, consult our technical team for cross-reference alternatives.
- Get Expert Help: Unsure about your controller compatibility or mechanical specifications? Contact our technical team today for a free compatibility check. Provide your controller model and current motor nameplate data for immediate validation.

