SIGNALInfrastructure Software·Jul 7, 2026, 7:08 AMSignal75Short term

Photoluminescence Inspection Is Changing How Manufacturers Protect Yield In SiC And GaN Devices

Photoluminescence Inspection Is Changing How Manufacturers Protect Yield In SiC And GaN Devices

Detecting subsurface or crystalline defects that directly impact electrical behavior in wide-bandgap materials. The post Photoluminescence Inspection Is Changing How Manufacturers Protect Yield In SiC And GaN Devices appeared first on Semiconductor Engineering .

Why this matters
Why now

Advances in inspection technology, specifically photoluminescence, are emerging now to address yield challenges in the rapidly expanding wide-bandgap semiconductor market.

Why it’s important

Improved inspection methods for SiC and GaN devices are critical for scaling their production and ensuring reliability, directly impacting the adoption of next-generation power electronics and RF components.

What changes

The ability to detect subsurface defects directly impacting electrical performance changes how manufacturers ensure quality and will accelerate the maturation of compound semiconductor manufacturing processes.

Winners
  • · Onto Innovation
  • · Compound Semiconductor Manufacturers
  • · Electric Vehicle Industry
  • · 5G Infrastructure Providers
Losers
  • · Manufacturers reliant on less advanced inspection methods
  • · Companies with high defect rates in SiC/GaN
Second-order effects
Direct

Higher yield rates and reduced production costs for SiC and GaN devices.

Second

Accelerated adoption of wide-bandgap semiconductors in various industries due to improved reliability and cost-effectiveness.

Third

Increased competition and innovation in power electronics and RF applications, potentially displacing silicon-based solutions in certain segments.

Editorial confidence: 90 / 100 · Structural impact: 60 / 100
Original report

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