---
title: "3-Axis Accelerometer"
industry: "Computer, Electronic and Optical Product Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:3_AXIS_ACCELEROMETER"
  data_integrity_hash: "9d0a77c3e1edc47a27127eadaac4921b"
  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:3_AXIS_ACCELEROMETER"
  data_source_uri: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/3-axis-accelerometer.md"
  official_resource_url: "https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/3-axis-accelerometer"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "±16 g (g = 9.80665 m/s²)"
    unit: "g"
engineering_limits:
  max_safe_operating_point:
    value: 20
    unit: "g"
    consequence: "Piezoresistive element fracture at 1.2 GPa stress limit, MEMS structure resonance at 10 kHz causing mechanical fatigue"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Electrostatic discharge (ESD) at 8 kV HBM"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integrated TVS diodes with 5 pF capacitance, 100 Ω series resistors on signal lines"
  - node_2:
      trigger: "Thermal cycling from -40°C to 125°C at 10°C/min rate"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "SnAgCu solder with 0.3 mm standoff height, underfill epoxy with 25 ppm/°C CTE"
bom_nodes:
  proof-mass:
    type: "component"
    urn: "URN:CNFX:ME:PROOF_MASS"
    interface_type: "physical-logic-coupled"
  sensing-electrodes:
    type: "component"
    urn: "URN:CNFX:ME:SENSING_ELECTRODES"
    interface_type: "physical-logic-coupled"
  asic:
    type: "part"
    urn: "URN:CNFX:ME:ASIC"
    interface_type: "physical-logic-coupled"
  package:
    type: "component"
    urn: "URN:CNFX:ME:PACKAGE"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 16063-21:2003 (VIBRATION CALIBRATION METHODS)"
    scope: "Verified Engineering Specification"
  - standard: "IEC 60068-2-6:2007 (ENVIRONMENTAL TESTING - VIBRATION)"
    scope: "Verified Engineering Specification"
  - standard: "EN 60068-2-64:2008 (ENVIRONMENTAL TESTING - BROADBAND RANDOM VIBRATION)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/3-axis-accelerometer.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "d2079e120d799481de9ddcf281913357e67d47c58a2580809180d7bec13ac390"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: 3-Axis Accelerometer

## 1. Technical Definition
A sensor that measures acceleration along three orthogonal axes (X, Y, Z).

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **±16 g (g = 9.80665 m/s²)**. Failure boundary: **±20 g continuous, ±4000 g shock (0.1 ms duration)**, Mechanism: **Piezoresistive element fracture at 1.2 GPa stress limit, MEMS structure resonance at 10 kHz causing mechanical fatigue**.

### 2.1 Analytical Physics Model
Governed by the **Combined Measurement Uncertainty**:

> **Primary Equation**: $u_c = \sqrt{\sum u_i^2}$  
> **Engineering Impact**: Defines the precision confidence interval for inspection.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| u_i | Standard Uncertainty components | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Electrostatic discharge (ESD) at 8 kV HBM | 8 | Dielectric breakdown in ASIC at 15 V/μm field strength | Integrated TVS diodes with 5 pF capacitance, 100 Ω series resistors on signal lines |
| Thermal cycling from -40°C to 125°C at 10°C/min rate | 8 | Solder joint fatigue (Coffin-Manson exponent n=1.9) leading to open circuit | SnAgCu solder with 0.3 mm standoff height, underfill epoxy with 25 ppm/°C CTE |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [ASIC](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/asic.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Wafer Probe Station**, **Wire Bonding Machine**, **Hermetic Sealing System**  
**Downstream Applications**: Smartphones, Automotive Airbag Systems, Industrial Vibration Monitors  

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

### Q: What are the key applications of this 3-axis accelerometer in electronics manufacturing?
**A**: This accelerometer is ideal for motion sensing in consumer electronics, vibration monitoring in industrial equipment, orientation detection in optical devices, and inertial measurement in navigation systems for computer and electronic products.

### Q: How does the silicon MEMS construction affect the accelerometer's performance?
**A**: The silicon and polysilicon construction provides excellent stability, low power consumption, and high sensitivity. Silicon dioxide insulation ensures reliable operation in various environmental conditions common in electronics manufacturing.

### Q: What advantages does the ASIC integration offer in this accelerometer design?
**A**: The integrated ASIC provides signal conditioning, temperature compensation, and digital output capabilities, reducing external component requirements and improving measurement accuracy for precise acceleration data in electronic applications.

## 6. Manufacturing Compliance
- ISO 16063-21:2003 (VIBRATION CALIBRATION METHODS)
- IEC 60068-2-6:2007 (ENVIRONMENTAL TESTING - VIBRATION)
- EN 60068-2-64:2008 (ENVIRONMENTAL TESTING - BROADBAND RANDOM VIBRATION)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: 3-Axis Accelerometer](https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/3-axis-accelerometer)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **4** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: 3_AXIS_ACCELEROMETER | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 8b2a8eb5
