---
title: "Array Housing"
industry: "Computer, Electronic and Optical Product Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:ARRAY_HOUSING"
  data_integrity_hash: "67c61ff465e2846e840da6dde190b08a"
  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:ARRAY_HOUSING"
  data_source_uri: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/array-housing.md"
  official_resource_url: "https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/array-housing"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-120 dB SPL (sound pressure level) at 20-20000 Hz frequency range"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 0.5
    unit: "mm"
    consequence: "Acoustic-structural coupling causing resonant amplification at natural frequency, leading to fatigue failure via cyclic stress concentration at mounting interfaces"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Thermal expansion mismatch between aluminum housing (α=23.1×10⁻⁶/K) and PCB substrate (α=15×10⁻⁶/K)"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Implement bimetallic compensation washers with controlled thermal expansion coefficient gradient of 18-22×10⁻⁶/K"
  - node_2:
      trigger: "Acoustic pressure wavefront impingement at 45°±5° incidence angle"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integrate quarter-wavelength acoustic dampers tuned to 1500 Hz with polyurethane foam (flow resistivity 10000 Rayls/m)"
bom_nodes:
  mounting-bracket:
    type: "component"
    urn: "URN:CNFX:ME:MOUNTING_BRACKET"
    interface_type: "physical-logic-coupled"
  acoustic-mesh:
    type: "component"
    urn: "URN:CNFX:ME:ACOUSTIC_MESH"
    interface_type: "physical-logic-coupled"
  vibration-dampers:
    type: "component"
    urn: "URN:CNFX:ME:VIBRATION_DAMPERS"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 286-1:2010 (GEOMETRICAL PRODUCT SPECIFICATIONS - LIMITS AND FITS)"
    scope: "Verified Engineering Specification"
  - standard: "ANSI B4.1-1967 (PREFERRED LIMITS AND FITS FOR CYLINDRICAL PARTS)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/array-housing.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "4c16c3700088a13fc79e69ceb3809df0d0d8a71945971f5cbd81f70a83bf7926"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Array Housing

## 1. Technical Definition
The protective enclosure that houses and structurally supports the microphone elements in an ANC microphone array system.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-120 dB SPL (sound pressure level) at 20-20000 Hz frequency range**. Failure boundary: **Structural deformation exceeding 0.5 mm at any mounting point or resonant frequency matching 1500±50 Hz**, Mechanism: **Acoustic-structural coupling causing resonant amplification at natural frequency, leading to fatigue failure via cyclic stress concentration at mounting interfaces**.

### 2.1 Analytical Physics Model
Governed by the **Frame Structural Deflection Analysis**:

> **Primary Equation**: $\delta = \frac{5 q L^4}{384 E I}$  
> **Engineering Impact**: Ensures structural stability for multi-stage machines.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| q | Uniform Load | Engineering Constant |
| E | Elastic Modulus | Engineering Constant |
| I | Moment of Inertia | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Thermal expansion mismatch between aluminum housing (α=23.1×10⁻⁶/K) and PCB substrate (α=15×10⁻⁶/K) | 8 | Mounting screw shear failure due to differential expansion stresses exceeding 250 MPa yield strength | Implement bimetallic compensation washers with controlled thermal expansion coefficient gradient of 18-22×10⁻⁶/K |
| Acoustic pressure wavefront impingement at 45°±5° incidence angle | 8 | Helmholtz resonance excitation within cavity volume of 8.2 cm³, causing 12 dB signal distortion | Integrate quarter-wavelength acoustic dampers tuned to 1500 Hz with polyurethane foam (flow resistivity 10000 Rayls/m) |

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

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

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **CNC Machining Center**, **Ultrasonic Welding Machine**, **Automated Assembly Line**  
**Downstream Applications**: ANC Headphones, Conference Room Microphone Systems, Automotive Noise-Canceling Systems  

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

### Q: What materials are used in the array housing for durability?
**A**: The array housing is constructed from aluminum alloy for structural integrity and ABS plastic for impact resistance, with integrated acoustic foam for optimal sound performance.

### Q: How does the array housing improve ANC microphone system performance?
**A**: The housing provides precise structural support for microphone elements, includes vibration dampers to reduce mechanical noise, and features acoustic mesh for clear audio capture in electronic manufacturing environments.

### Q: What components are included in the array housing BOM?
**A**: The bill of materials includes the main housing, mounting bracket for secure installation, acoustic mesh for sound optimization, and vibration dampers to minimize interference from equipment vibrations.

## 6. Manufacturing Compliance
- ISO 286-1:2010 (GEOMETRICAL PRODUCT SPECIFICATIONS - LIMITS AND FITS)
- ANSI B4.1-1967 (PREFERRED LIMITS AND FITS FOR CYLINDRICAL PARTS)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Array Housing](https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/array-housing)**

### 🌐 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**: ARRAY_HOUSING | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 1705637d
