INDUSTRY COMPONENT

Array Substrate

Array substrate is a precision electronic component used as the foundation for mounting and interconnecting detector elements in detector arrays.

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Component Specifications

Definition
An array substrate is a specialized printed circuit board (PCB) or ceramic substrate designed to provide mechanical support, electrical connectivity, and thermal management for multiple detector elements arranged in an array configuration. It serves as the structural and functional backbone of detector arrays, ensuring precise alignment, signal routing, and integration with readout electronics.
Working Principle
The array substrate operates by providing a stable platform where individual detector elements (such as photodiodes, sensors, or pixels) are mounted. It contains conductive traces that route electrical signals from each detector to external connectors or integrated circuits. The substrate may incorporate impedance-matched transmission lines, ground planes, and shielding to maintain signal integrity. Thermal management features (like thermal vias or heat spreaders) help dissipate heat generated by detectors or electronics.
Materials
High-purity alumina (Al2O3) ceramic, aluminum nitride (AlN) for high thermal conductivity, or specialized PCB materials like FR-4, polyimide, or Rogers laminates. Conductive traces are typically copper with gold or nickel plating for corrosion resistance.
Technical Parameters
  • Flatness <10 μm over 100 mm
  • Surface Roughness <0.4 μm Ra
  • Substrate Material Alumina Ceramic (Al2O3)
  • Dielectric Constant 9.8
  • Trace Width/Spacing 50 μm/50 μm
  • Thermal Conductivity 24-30 W/mK
  • Operating Temperature -40°C to +125°C
Standards
ISO 9001, IPC-6012, MIL-PRF-31032

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Array Substrate.

array substrate detector array component electronic substrate PCB for detectors ceramic substrate sensor mounting Array Substrate in Computer, Electronic and Optical Product Manufacturing

Parent Products

This component is used in the following industrial products

Detector Array

A multi-element sensing component that detects fish bones in food products through coordinated signal acquisition

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Engineering Analysis

Risks & Mitigation
  • Delamination of layers
  • Thermal stress cracking
  • Signal crosstalk between traces
  • Poor solder joint reliability
FMEA Triads
Trigger: Thermal cycling during operation
Failure: Cracking of ceramic substrate or trace delamination
Mitigation: Use materials with matched coefficients of thermal expansion (CTE), implement thermal vias, and design for stress relief.
Trigger: Manufacturing defects in trace patterning
Failure: Short circuits or open circuits in signal paths
Mitigation: Implement automated optical inspection (AOI), strict process controls, and electrical testing of each substrate.

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.05 mm for critical dimensions, ±5% for electrical properties
Test Method
Electrical continuity testing, thermal cycling (IEC 60068-2-14), impedance measurement (IPC-TM-650)

Buyer Feedback

★★★★☆ 4.5 / 5.0 (14 reviews)

"Reliable performance in harsh Computer, Electronic and Optical Product Manufacturing environments. No issues with the Array Substrate so far."

"Testing the Array Substrate now; the technical reliability results are within 1% of the laboratory datasheet."

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

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Frequently Asked Questions

What is the primary function of an array substrate in a detector array?

The array substrate provides mechanical support, precise alignment, electrical interconnection, and thermal management for the individual detector elements in the array.

What materials are commonly used for array substrates?

Common materials include alumina ceramic for high stability and thermal performance, aluminum nitride for superior thermal conductivity, and specialized PCB materials like FR-4 or polyimide for flexible or cost-sensitive applications.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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