Structured Manufacturing Data (2026)

Precision Positioning Stage

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Precision Positioning Stage used in the Computer, Electronic and Optical Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Precision Positioning Stage is characterized by the integration of Stage Platform (Top Plate) and Linear Guide / Bearing System. In industrial production environments, manufacturers listed on CNFX commonly emphasize Aluminum alloy (for the stage body) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A high-precision mechanical platform that provides controlled, nanometer-scale movement for positioning optical components or samples within an Optical Surface Analyzer.

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Product Specifications

Technical details and manufacturing context for Precision Positioning Stage

Definition
The Precision Positioning Stage is a critical component of an Optical Surface Analyzer, responsible for accurately positioning optical elements (such as lenses, mirrors, or the sample under test) with sub-micron or nanometer precision. It enables the analyzer to perform precise scans, measurements, and alignments required for surface topography analysis, ensuring repeatability and accuracy in data acquisition.
Working Principle
The stage typically uses piezoelectric actuators, linear motors, or precision lead screws driven by servo or stepper motors. A closed-loop control system, often incorporating optical encoders or laser interferometers for position feedback, compares the actual position with the commanded position and adjusts the drive signals to minimize error, achieving precise linear or rotational motion.
Common Materials
Aluminum alloy (for the stage body), Stainless steel (for guide rails and screws), Ceramic (for bearing elements)
Technical Parameters
  • Travel range (e.g., 100 mm x 100 mm) (mm) Per Request
Components / BOM
  • Stage Platform (Top Plate) Part
    The mounting surface for optical components or the sample. Provides a flat, rigid reference plane.
    Material: Aluminum alloy or granite
  • Linear Guide / Bearing System
    Provides smooth, low-friction linear motion along one or more axes. Constrains movement to the desired degrees of freedom.
    Material: Stainless steel (rails) with ceramic or steel balls/rollers
  • Drive Mechanism (Actuator)
    Generates the force to move the stage. Common types include piezoelectric actuators, linear motors, or precision ball screws driven by rotary motors.
    Material: Varies (e.g., piezoelectric ceramic, copper windings, steel screw)
  • Position Sensor (Encoder/Interferometer)
    Measures the actual position of the stage with high resolution and provides feedback to the control system.
    Material: Glass scale (for optical encoder) or optical components (for interferometer)
  • Base / Frame Part
    Provides a rigid and stable foundation for the entire stage assembly, isolating it from external vibrations.
    Material: Granite, cast iron, or damped aluminum

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Precision Positioning Stage.

nanometer precision positioning stage optical analyzer aluminum alloy precision stage optical components ceramic bearing linear guide positioning system optical surface analyzer sample positioning platform high-precision mechanical stage drive me

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Optical Surface Analyzer
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric pressure only (non-pressurized environment)
other spec: Vibration tolerance: <0.1g RMS, Humidity: 20-80% non-condensing, Cleanliness: Class 1000 or better recommended
temperature: 15°C to 30°C (operating), 0°C to 50°C (storage)
Media Compatibility
✓ Clean dry air environments ✓ Vacuum chambers (if vacuum-rated version) ✓ Inert gas atmospheres (N2, Ar)
Unsuitable: Wet or corrosive chemical environments (acids, bases, solvents)
Sizing Data Required
  • Travel range requirement (X, Y, Z axes in mm)
  • Load capacity (mass in kg)
  • Positioning accuracy/repeatability specification (in nm)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Positional drift
Cause: Encoder feedback degradation due to contamination, thermal expansion mismatches, or bearing wear affecting alignment
Stiction or erratic motion
Cause: Lubricant breakdown in linear guides/ball screws, particulate contamination in precision surfaces, or servo motor feedback loop instability
Maintenance Indicators
  • Audible grinding or clicking during motion, indicating mechanical wear or contamination
  • Visible position overshoot or hunting during settling, suggesting control loop or feedback issues
Engineering Tips
  • Implement regular precision alignment checks and thermal compensation calibration to maintain positioning accuracy
  • Maintain strict cleanliness protocols and use specified lubricants with scheduled reapplication to prevent contamination and stiction

Compliance & Manufacturing Standards

Reference Standards
ISO 230-2:2014 (Test code for machine tools - Determination of accuracy and repeatability of positioning of numerically controlled axes) ANSI/ASME B5.54-2005 (Methods for Performance Evaluation of Computer Numerically Controlled Machining Centers) DIN 876-1:1986 (Straightedges and squares - Straightedges - Requirements, testing)
Manufacturing Precision
  • Positioning accuracy: ±0.5 μm over full travel
  • Flatness of mounting surface: 2 μm per 100 mm
Quality Inspection
  • Laser interferometer positioning accuracy verification
  • Coordinate measuring machine (CMM) geometric error assessment

Factories Producing Precision Positioning Stage

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What materials are used in the Precision Positioning Stage and why?

The stage uses aluminum alloy for lightweight rigidity in the body, stainless steel for durability in guide rails and screws, and ceramic for low-friction, stable bearing elements to ensure nanometer-scale precision.

How does the drive mechanism achieve nanometer-scale positioning?

The drive mechanism, typically a precision actuator paired with a high-resolution encoder or interferometer sensor, enables controlled micro-movements, allowing accurate positioning down to nanometer levels for optical analysis.

What applications is this positioning stage designed for in optical manufacturing?

It is designed for positioning optical components or samples in Optical Surface Analyzers, used in industries like semiconductor manufacturing, photonics, and precision optics for quality control and research.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Computer, Electronic and Optical Product Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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