---
title: "Light Source / Magnetic Field Generator"
industry: "Computer, Electronic and Optical Product Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:LIGHT_SOURCE_MAGNETIC_FIELD_GENERATOR"
  data_integrity_hash: "d6abc5935234eb143c2e6aad76aab044"
  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:LIGHT_SOURCE_MAGNETIC_FIELD_GENERATOR"
  data_source_uri: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/light-source-magnetic-field-generator.md"
  official_resource_url: "https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/light-source-magnetic-field-generator"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "Magnetic: 0.1-1.2 T flux density, Optical: 400-700 nm wavelength, 5-50 mW optical power"
    unit: "nm / mT"
engineering_limits:
  max_safe_operating_point:
    value: 1.5
    unit: "T"
    consequence: "Magnetic: Domain wall pinning at 1.5 T saturation flux density, Optical: Non-radiative recombination at 100°C LED junction temperature causing quantum efficiency drop to 0.5"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Hall sensor exposure to 150°C for 1000 hours"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Samarium-cobalt magnets with 350°C Curie temperature and 1.05 T coercivity at 150°C"
  - node_2:
      trigger: "15 kV electrostatic discharge at 1 ns rise time"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Transient voltage suppression diode with 3.3 V clamping voltage and 10 ns response time"
bom_nodes:
  emitter-chip:
    type: "component"
    urn: "URN:CNFX:ME:EMITTER_CHIP"
    interface_type: "physical-logic-coupled"
  magnetic-core:
    type: "component"
    urn: "URN:CNFX:ME:MAGNETIC_CORE"
    interface_type: "physical-logic-coupled"
  lensoptical-window:
    type: "component"
    urn: "URN:CNFX:ME:LENSOPTICAL_WINDOW"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 12100:2010 - SAFETY OF MACHINERY"
    scope: "Verified Engineering Specification"
  - standard: "IEC 61010-1:2010 - SAFETY REQUIREMENTS FOR ELECTRICAL EQUIPMENT"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/light-source-magnetic-field-generator.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "7630885655edc55b4b0a8da1396851f4fb5e4b48af8b5b04a17f2f85e05543c4"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Light Source / Magnetic Field Generator

## 1. Technical Definition
A dual-function component in encoders that provides either optical illumination for optical encoders or generates magnetic fields for magnetic encoders.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **Magnetic: 0.1-1.2 T flux density, Optical: 400-700 nm wavelength, 5-50 mW optical power**. Failure boundary: **Magnetic: 1.5 T saturation flux density, Optical: 85°C Curie temperature for permanent magnets, 100°C LED junction temperature**, Mechanism: **Magnetic: Domain wall pinning at 1.5 T saturation flux density, Optical: Non-radiative recombination at 100°C LED junction temperature causing quantum efficiency drop to 0.5**.

### 2.1 Analytical Physics Model
Governed by the **Joule Heating & Thermal Resistance**:

> **Primary Equation**: $P = I^2 R = \frac{V^2}{R}$  
> **Engineering Impact**: Governs heating element sizing for shrink tunnels/sealers.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| I | Current | Engineering Constant |
| R | Resistance | Engineering Constant |
| V | Voltage | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Hall sensor exposure to 150°C for 1000 hours | 8 | Permanent magnet demagnetization to 0.3 T residual flux density | Samarium-cobalt magnets with 350°C Curie temperature and 1.05 T coercivity at 150°C |
| 15 kV electrostatic discharge at 1 ns rise time | 8 | LED semiconductor junction breakdown at 5 V reverse voltage | Transient voltage suppression diode with 3.3 V clamping voltage and 10 ns response time |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Precision Encoder Assembly Station**, **Clean Room Environment System**, **Automated Testing Equipment**  
**Downstream Applications**: Industrial Servo Motors, CNC Machine Position Feedback Systems, Robotic Arm Joint Encoders  

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

### Q: What is the primary function of this dual-component encoder part?
**A**: This component serves two functions: providing optical illumination for optical encoders using semiconductor emitter chips, or generating magnetic fields for magnetic encoders through ferromagnetic cores with copper windings.

### Q: Which materials are used in the optical function of this encoder component?
**A**: For optical illumination, it uses semiconductor materials like GaAs or GaN for the emitter chip, along with optical glass or plastic for the lens/window to direct and focus light in optical encoders.

### Q: How does this component switch between optical and magnetic encoder applications?
**A**: The component is designed with interchangeable BOM elements - using the emitter chip and lens for optical encoders, or the magnetic core with copper windings for magnetic encoders, allowing manufacturers to select the appropriate configuration for their encoder type.

## 6. Manufacturing Compliance
- ISO 12100:2010 - SAFETY OF MACHINERY
- IEC 61010-1:2010 - SAFETY REQUIREMENTS FOR ELECTRICAL EQUIPMENT

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Light Source / Magnetic Field Generator](https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/light-source-magnetic-field-generator)**

### 🌐 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**: LIGHT_SOURCE_MAGNETIC_FIELD_GENERATOR | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 9d5f00c3
