---
title: "Precision Positioning Stage"
industry: "Computer, Electronic and Optical Product Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:PRECISION_POSITIONING_STAGE"
  data_integrity_hash: "50d534ab066ee51d87565bfb374c3e04"
  source_authority: "https://cnfx.com"
  strict_mode: true
source_identity:
  provider: "CNFX Industrial Knowledge Graph"
  index_version: "2026.Q1-Universal"
  authority_id: "URN:CNFX:ME:PRECISION_POSITIONING_STAGE"
  data_source_uri: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/precision-positioning-stage.md"
  official_resource_url: "https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/precision-positioning-stage"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-100 μm with 0.1 nm resolution, 0-10 mm/s velocity, 0-50 N load capacity"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 5
    unit: "nm"
    consequence: "Piezoelectric hysteresis (15-20% nonlinearity), stick-slip friction at nanometer scales (μ=0.001-0.01), thermal expansion mismatch (ΔL=αΔT, α=23×10⁻⁶/°C for aluminum), bearing preload loss at &lt;1 μm displacements"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Piezoelectric actuator depolarization at 150°C Curie temperature"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Embedded PTC thermistors with active cooling maintaining T&lt;80°C, using PZT-5H material with Tc=193°C"
  - node_2:
      trigger: "Capacitive sensor contamination accumulating 10 nm particulate layer"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Hermetic sealing with ISO Class 4 cleanroom purge, gold-plated sensor surfaces with 5 μm pitch guard electrodes"
bom_nodes:
  stage-platform-top-plate:
    type: "component"
    urn: "URN:CNFX:ME:STAGE_PLATFORM_TOP_PLATE"
    interface_type: "physical-logic-coupled"
  linear-guide-bearing-system:
    type: "part"
    urn: "URN:CNFX:ME:LINEAR_GUIDE_BEARING_SYSTEM"
    interface_type: "physical-logic-coupled"
  drive-mechanism-actuator:
    type: "part"
    urn: "URN:CNFX:ME:DRIVE_MECHANISM_ACTUATOR"
    interface_type: "physical-logic-coupled"
  position-sensor-encoderinterferometer:
    type: "part"
    urn: "URN:CNFX:ME:POSITION_SENSOR_ENCODERINTERFEROMETER"
    interface_type: "physical-logic-coupled"
  base-frame:
    type: "component"
    urn: "URN:CNFX:ME:BASE_FRAME"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 230-2:2014 (TEST CODE FOR MACHINE TOOLS - DETERMINATION OF ACCURACY AND REPEATABILITY OF POSITIONING OF NUMERICALLY CONTROLLED AXES)"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/ASME B5.54-2005 (METHODS FOR PERFORMANCE EVALUATION OF COMPUTER NUMERICALLY CONTROLLED MACHINING CENTERS)"
    scope: "Verified Engineering Specification"
  - standard: "DIN 876-1:1986 (STRAIGHTEDGES AND SQUARES - STRAIGHTEDGES - REQUIREMENTS, TESTING)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/precision-positioning-stage.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "d7e2915696b477a81d7033f2f8be35ede049b8129b44d0aaf4f9096794182ca5"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Precision Positioning Stage

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

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-100 μm with 0.1 nm resolution, 0-10 mm/s velocity, 0-50 N load capacity**. Failure boundary: **Positioning error exceeding ±5 nm RMS, backlash exceeding 2 nm, thermal drift exceeding 0.5 nm/°C, vibration amplitude exceeding 0.2 nm RMS at 100 Hz**, Mechanism: **Piezoelectric hysteresis (15-20% nonlinearity), stick-slip friction at nanometer scales (μ=0.001-0.01), thermal expansion mismatch (ΔL=αΔT, α=23×10⁻⁶/°C for aluminum), bearing preload loss at &lt;1 μm displacements**.

### 2.1 Analytical Physics Model
Governed by the **Rayleigh Resolution Criterion**:

> **Primary Equation**: $d = \frac{0.61 \lambda}{NA}$  
> **Engineering Impact**: Defines the theoretical limit of machine vision systems.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| \lambda | Wavelength | Engineering Constant |
| NA | Numerical Aperture | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Piezoelectric actuator depolarization at 150°C Curie temperature | 8 | Position drift exceeding 50 nm/hour due to reduced piezoelectric coefficient d₃₃ from 650 pm/V to &lt;100 pm/V | Embedded PTC thermistors with active cooling maintaining T&lt;80°C, using PZT-5H material with Tc=193°C |
| Capacitive sensor contamination accumulating 10 nm particulate layer | 8 | Position feedback error of 8.2 nm due to dielectric constant change from εᵣ=1.0 to εᵣ=2.2 | Hermetic sealing with ISO Class 4 cleanroom purge, gold-plated sensor surfaces with 5 μm pitch guard electrodes |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| spec | Config-dependent | mm | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Linear Guide / Bearing System](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/linear-guide-bearing-system.md) `(Standalone System)`
- [Drive Mechanism (Actuator)](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/drive-mechanism-actuator.md) `(Standalone System)`
- [Position Sensor (Encoder/Interferometer)](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/position-sensor-encoderinterferometer.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Vibration Isolation Table**, **Cleanroom Environmental Control System**, **High-Precision Motion Controller**  
**Downstream Applications**: Optical Surface Analyzers, Semiconductor Inspection Systems, Advanced Microscopy Equipment  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: What materials are used in the Precision Positioning Stage and why?
**A**: 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.

### Q: How does the drive mechanism achieve nanometer-scale positioning?
**A**: 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.

### Q: What applications is this positioning stage designed for in optical manufacturing?
**A**: 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.

## 6. Manufacturing Compliance
- 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)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Precision Positioning Stage](https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/precision-positioning-stage)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **5** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: PRECISION_POSITIONING_STAGE | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 40087bb2
