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Major Breakthrough at 25FAB  
SiC-based Lithium Niobate (SiC/LiNbO₃) Wafers Now Commercially Available  
Room-temperature Bonding Enables High-frequency SAW for 5G and mmWave Era

Zurich, Switzerland – December 4, 2025 – 25FAB GmbH announces that its new-generation SiC/LiNbO₃ thin-film composite wafers have entered stable volume production and are now available to global customers. Using proprietary ultra-high-vacuum room-temperature surface-activated bonding technology, the material perfectly integrates ultra-high-velocity SiC with ultra-high-coupling LiNbO₃, delivering a landmark performance leap for high-frequency surface acoustic wave (SAW) devices.

Production-verified Key Specifications
• Qmax > 710 at 5 GHz  
• Electromechanical coupling K² > 20%  
• Bond interface strength > 10 MPa with zero delamination or thermal mismatch  
• 6-inch wafer batch yield > 95%  
• >30% total cost reduction and 50% wider operating temperature range vs. traditional BAW

Technical Highlights
• Atomic-level interface flatness (RMS < 0.5 nm) enabling room-temperature covalent bonding  
• Complete elimination of CTE mismatch between SiC and LiNbO₃  
• Wafer-level alignment accuracy ±1 μm, bond pressure uniformity ±3%  
• True “SAW cost with BAW performance”

Full 25FAB One-stop Service
• 6-inch SiC/LiNbO₃ wafers in stock and volume supply (multiple cuts available)  
• Complete SAW / TF-SAW / IHP-SAW PDK and design manual  
• Monthly dedicated MPW runs starting Q1 2026  
• Full foundry support from prototype to volume production  
• Local Swiss technical support and closed-door consulting

Target Applications
• 5G/5G-Advanced high-band filters (N77/N78 etc.)  
• Wi-Fi 7, UWB, mmWave front-ends  
• Automotive radar, satellite communication, defense-grade RF  
• Future 6G Sub-6 GHz and beyond

Request Samples and Full Datasheet Today  
Email: info@25fab.ch  
Website: https://25fab.ch  

25FAB – Delivering the world’s most advanced acoustic and photonic materials directly to you.  
The high-frequency SAW era begins now.