---
title: "Focal Track"
industry: "Computer, Electronic and Optical Product Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:FOCAL_TRACK"
  data_integrity_hash: "1011298b716952150c920310a8d0c972"
  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:FOCAL_TRACK"
  data_source_uri: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/focal-track.md"
  official_resource_url: "https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/focal-track"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.1-1.5 μm positional accuracy at 10-100 keV beam energies"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 300
    unit: "°C"
    consequence: "Thermal expansion mismatch between tungsten (4.5×10^-6 K^-1) and rhenium (6.2×10^-6 K^-1) causing microcrack initiation at grain boundaries under cyclic thermal loading"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Localized beam overheating exceeding 500°C at track surface"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Embedded platinum-rhodium thermocouples with active cooling at 15 L/min flow rate"
  - node_2:
      trigger: "Residual stress accumulation from 10^4+ thermal cycles between 20-300°C"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Shot peening at 0.3 mm Almen intensity to induce 400 MPa compressive surface stress"
bom_nodes:
  track-groove:
    type: "component"
    urn: "URN:CNFX:ME:TRACK_GROOVE"
    interface_type: "physical-logic-coupled"
  mounting-flange:
    type: "component"
    urn: "URN:CNFX:ME:MOUNTING_FLANGE"
    interface_type: "physical-logic-coupled"
  cooling-jacket-if-applicable:
    type: "part"
    urn: "URN:CNFX:ME:COOLING_JACKET_IF_APPLICABLE"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
  - standard: "CE MARKING FOR MACHINERY DIRECTIVE 2006/42/EC"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/focal-track.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "d771e0c01e8232fcaaf137e82b936a3e6874ebc3200eb1a385ba28488f140baa"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Focal Track

## 1. Technical Definition
A precision-engineered track component within a Tungsten-Rhenium Target Disk that guides and positions the focal point for particle or radiation beams.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.1-1.5 μm positional accuracy at 10-100 keV beam energies**. Failure boundary: **Track deformation exceeding 2.5 μm at 300°C or radiation dose &gt;10^7 Gy**, Mechanism: **Thermal expansion mismatch between tungsten (4.5×10^-6 K^-1) and rhenium (6.2×10^-6 K^-1) causing microcrack initiation at grain boundaries under cyclic thermal loading**.

### 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 |
| :--- | :--- | :--- | :--- |
| Localized beam overheating exceeding 500°C at track surface | 8 | Track surface recrystallization leading to ±5 μm positional drift | Embedded platinum-rhodium thermocouples with active cooling at 15 L/min flow rate |
| Residual stress accumulation from 10^4+ thermal cycles between 20-300°C | 8 | Intergranular cracking propagation at 0.1 mm/year rate | Shot peening at 0.3 mm Almen intensity to induce 400 MPa compressive surface stress |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Cooling Jacket (if applicable)](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/cooling-jacket-if-applicable.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **High-Vacuum Chamber System**, **Precision Beam Alignment System**, **Radiation Shielding Enclosure**  
**Downstream Applications**: Medical Linear Accelerators, Semiconductor Ion Implanters, Scientific Synchrotron Beamlines  

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

### Q: What is the primary function of the Focal Track in target disk systems?
**A**: The Focal Track precisely guides and positions particle or radiation beams to ensure accurate targeting within high-energy applications like medical imaging or industrial analysis systems.

### Q: Why is Tungsten-Rhenium alloy used for the Focal Track?
**A**: Tungsten-Rhenium alloy provides exceptional thermal stability, radiation resistance, and mechanical durability under extreme conditions, making it ideal for high-energy beam applications.

### Q: Can the Focal Track be customized for different cooling requirements?
**A**: Yes, the track can integrate copper cooling channels or jackets to manage thermal loads, with configurations tailored to specific beam intensity and operational duration needs.

## 6. Manufacturing Compliance
- ISO 9001:2015 QUALITY MANAGEMENT SYSTEMS
- CE MARKING FOR MACHINERY DIRECTIVE 2006/42/EC

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Focal Track](https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/focal-track)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **3** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: FOCAL_TRACK | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: fec24cc6
