---
title: "Treatment Timer"
industry: "Computer, Electronic and Optical Product Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:TREATMENT_TIMER"
  data_integrity_hash: "2fbee874ebee50ee220da297a62ec6ee"
  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:TREATMENT_TIMER"
  data_source_uri: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/treatment-timer.md"
  official_resource_url: "https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/treatment-timer"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-60 minutes with ±0.5% accuracy at 25°C ambient temperature"
    unit: "minutes"
engineering_limits:
  max_safe_operating_point:
    value: 85
    unit: "°C"
    consequence: "Thermal runaway in CMOS timer IC due to junction temperature exceeding 125°C, causing semiconductor lattice breakdown and timing drift beyond ±5% specification"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Electrostatic discharge (ESD) event exceeding 8kV human body model"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integrated ESD protection diodes with 15kV IEC 61000-4-2 rating and PCB ground plane shielding"
  - node_2:
      trigger: "Crystal oscillator frequency drift beyond ±100ppm due to mechanical shock exceeding 50g"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Surface-mount AT-cut quartz crystal with shock-resistant mounting and temperature compensation circuit maintaining ±25ppm stability from 0-70°C"
bom_nodes:
  microcontroller-unit:
    type: "part"
    urn: "URN:CNFX:ME:MICROCONTROLLER_UNIT"
    interface_type: "physical-logic-coupled"
  time-setting-interface:
    type: "part"
    urn: "URN:CNFX:ME:TIME_SETTING_INTERFACE"
    interface_type: "physical-logic-coupled"
  display-module:
    type: "device"
    urn: "URN:CNFX:ME:DISPLAY_MODULE"
    interface_type: "physical-logic-coupled"
  control-relay:
    type: "part"
    urn: "URN:CNFX:ME:CONTROL_RELAY"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
  - standard: "CE MARKING - EMC DIRECTIVE 2014/30/EU"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/treatment-timer.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "dc8c6de788091c7f0242a782adeaf57940351d6290e1f2535565a927d9c29496"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Treatment Timer

## 1. Technical Definition
A timing control component for portable home phototherapy devices that regulates treatment duration.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-60 minutes with ±0.5% accuracy at 25°C ambient temperature**. Failure boundary: **Ambient temperature exceeding 85°C or supply voltage deviation beyond ±15% of nominal 5VDC**, Mechanism: **Thermal runaway in CMOS timer IC due to junction temperature exceeding 125°C, causing semiconductor lattice breakdown and timing drift beyond ±5% specification**.

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Electrostatic discharge (ESD) event exceeding 8kV human body model | 8 | Gate oxide rupture in CMOS timing circuit causing permanent timer failure at 0 minutes | Integrated ESD protection diodes with 15kV IEC 61000-4-2 rating and PCB ground plane shielding |
| Crystal oscillator frequency drift beyond ±100ppm due to mechanical shock exceeding 50g | 8 | Treatment duration error exceeding ±3 seconds per minute | Surface-mount AT-cut quartz crystal with shock-resistant mounting and temperature compensation circuit maintaining ±25ppm stability from 0-70°C |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Microcontroller Unit](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/microcontroller-unit.md) `(Standalone System)`
- [Time Setting Interface](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/time-setting-interface.md) `(Standalone System)`
- [Display Module](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/display-module.md) `(Standalone System)`
- [Control Relay](https://cnfx.com/llms/industry/electrical-equipment-manufacturing/product/control-relay.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **SMT Pick-and-Place Machine**, **Reflow Soldering Oven**, **Automated Optical Inspection System**  
**Downstream Applications**: Portable LED Phototherapy Devices, Home UV Light Therapy Units, Medical Dermatology Treatment Systems  

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

### Q: What is the primary function of this Treatment Timer?
**A**: The Treatment Timer precisely controls and regulates treatment duration for portable home phototherapy devices, ensuring accurate therapy sessions through its microcontroller-based timing system.

### Q: What components are included in the Treatment Timer's BOM?
**A**: The Bill of Materials includes a Control Relay for device operation, Display Module (LCD/LED) for user interface, Microcontroller Unit for timing logic, and Time Setting Interface with buttons/switches for duration adjustment.

### Q: How does the Treatment Timer ensure reliable operation in home phototherapy devices?
**A**: Built with industrial-grade PCB, quality microcontroller/IC components, and durable buttons/switches, the timer provides consistent performance and user safety through precise electrical control and clear visual feedback via the display.

## 6. Manufacturing Compliance
- ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS
- CE MARKING - EMC DIRECTIVE 2014/30/EU

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Treatment Timer](https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/treatment-timer)**

### 🌐 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**: TREATMENT_TIMER | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: cb5d7076
