INDUSTRY COMPONENT

Packaging/Window

Transparent protective window for photodetector packaging that allows light transmission while shielding sensitive components.

View Specifications

Component Specifications

Definition
A specialized optical window component integrated into photodetector packaging that serves as the interface between external light sources and internal photosensitive elements. It maintains hermetic sealing, provides environmental protection against contaminants and mechanical damage, and ensures optimal light transmission characteristics across specified wavelength ranges while minimizing optical losses and reflections.
Working Principle
Operates as a transparent barrier that transmits incident photons to the photodetector's active area while blocking environmental contaminants. The window material's refractive index and anti-reflective coatings optimize light coupling efficiency. It maintains package integrity through hermetic sealing techniques, preventing moisture ingress and gas permeation that could degrade detector performance.
Materials
Optical-grade materials including: fused silica (for UV applications), borosilicate glass (visible spectrum), sapphire (high durability), germanium (infrared), zinc selenide (broadband IR). Coatings: anti-reflective (MgF2, SiO2), bandpass filters, conductive ITO for EMI shielding. Seal materials: Kovar alloys, glass-to-metal seals, epoxy formulations.
Technical Parameters
  • Coating AR coating R<0.5% per surface
  • Flatness λ/4 at 632.8nm
  • Parallelism <3 arcminutes
  • Transmittance >90% at peak wavelength
  • Seal Integrity Helium leak rate <1×10⁻⁸ atm·cc/sec
  • Surface Quality 40-20 scratch-dig per MIL-PRF-13830B
  • Window Thickness 0.5-3.0mm standard
  • Transmission Range 190-1100nm (standard), customizable up to 20μm
  • Operating Temperature -40°C to +125°C
Standards
ISO 10110, ISO 9022, MIL-PRF-13830B, ASTM F1249, IEC 60747-5

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Packaging/Window.

photodetector window optical packaging hermetic seal AR coating sensor window optical component light transmission photonics packaging Packaging/Window Packaging/Window in Computer, Electronic and Optical Product Manufacturing

Parent Products

This component is used in the following industrial products

Photodetector

A device that converts light signals into electrical signals for detection and measurement.

View Product Details

Engineering Analysis

Risks & Mitigation
  • Optical contamination reducing transmission
  • Mechanical fracture under stress
  • Seal failure leading to moisture ingress
  • Coating degradation from environmental exposure
  • Thermal expansion mismatch causing seal cracks
FMEA Triads
Trigger: Improper cleaning during installation
Failure: Surface contamination reducing light transmission
Mitigation: Implement cleanroom assembly procedures with particle monitoring
Trigger: Thermal cycling stress
Failure: Seal fracture and hermeticity loss
Mitigation: Use matched CTE materials and stress-relief designs
Trigger: Mechanical impact during handling
Failure: Window cracking or chipping
Mitigation: Implement protective packaging and handling protocols

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.1mm dimensional, ±0.5° angular alignment, <0.5% transmission variation across batch
Test Method
Spectrophotometry for transmission, interferometry for flatness, helium mass spectrometry for leak testing, environmental cycling per MIL-STD-883

Buyer Feedback

★★★★☆ 4.8 / 5.0 (24 reviews)

"Impressive build quality. Especially the technical reliability is very stable during long-term operation."

"As a professional in the Computer, Electronic and Optical Product Manufacturing sector, I confirm this Packaging/Window meets all ISO standards."

"Standard OEM quality for Computer, Electronic and Optical Product Manufacturing applications. The Packaging/Window arrived with full certification."

Related Components

Memory Module
Memory module for Industrial IoT Gateway data storage and processing
Storage Module
Industrial-grade storage module for data logging and firmware in IoT gateways
Ethernet Controller
Industrial Ethernet controller for real-time data transmission in Industrial IoT Gateways.
Serial Interface
Serial interface for industrial data transmission between IoT gateways and legacy equipment using RS-232/422/485 protocols.

Frequently Asked Questions

What is the primary function of a photodetector packaging window?

To transmit light to the photosensitive element while protecting it from environmental factors like moisture, dust, and mechanical damage, maintaining package hermeticity.

How do anti-reflective coatings improve window performance?

AR coatings reduce surface reflections, increasing light transmission efficiency and minimizing signal loss, particularly important for low-light detection applications.

What materials are suitable for UV photodetector windows?

Fused silica and synthetic quartz provide excellent UV transmission down to 190nm, with high damage thresholds and thermal stability.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Get Quote for Packaging/Window

Package/Housing Patterned substrate