A major advancement in scientific instrumentation has been achieved by researchers at CEA-Leti and CEA-IRIG-SyMMES, who have successfully validated a chip-scale electron paramagnetic resonance (EPR) spectrometer delivering record performance in scan speed, spectral range, and sensitivity  all powered by a compact battery-operated integrated circuit. 

Presented at ISSCC 2026, the innovation replaces bulky electromagnets used in traditional EPR systems with an ultra-fast frequency-scanned architecture, enabling high-performance paramagnetic sensing in portable and space-constrained environments. 

This next-generation EPR-on-a-chip technology transforms a complex laboratory instrument into a portable, low-power microchip, making high-precision chemical analysis accessible beyond centralized facilities. 

• Enables detection of reactive chemical species impacting energy storage, environmental safety, and biomedical processes 

• Supports field deployment, industrial environments, and advanced research systems 

• Eliminates traditional size and power constraints of conventional EPR instruments 

• Expands possibilities for real-time materials and chemical analysis 

Record-Breaking Performance Highlights 

• 1,400 THz/s ultra-fast scan rate 

• 100-Gauss equivalent spectral span 

• 120 µM concentration sensitivity 

• 96 mW ultra-low power consumption 

• 200 ns full-span scan time 

By enabling portable, high-precision sensing with milliwatt-level power consumption, this innovation represents a major step forward for applications across energy systems, materials reliability, environmental monitoring, and biomedical research  accelerating next-generation scientific discovery and industrial efficiency. 

Examine Our Detailed Related Market Analysis Instantly: 

https://semiconductorinsight.com/report/europe-chip-scale-package-csp-market/