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Surface acoustic wave (SAW) technology plays a crucial role in modern electronics, particularly in the telecommunications industry. One of the essential components in SAW devices is the SAW grade lithium niobate wafer. These wafers are integral to the functionality and efficiency of various devices that rely on surface acoustic waves to operate. Compared to normal lithium niobate, SAW grade lithium niobate wafers are characterized by their higher near ultra-violet absorption and their higher electrical conductivities, which results in lower pyroelectric charge. The higher near ultra-violet absorption indicates that the SAW grade lithium niobate wafers have enhanced capability to interact with light in the near UV spectrum, which can be pivotal for optoelectronic applications and for devices that require precise control of wave propagation. Lower pyroelectric charge minimizes the unwanted charge generation due to temperature changes, thus maintaining signal integrity even in varying thermal conditions. Moreover, as a SAW grade material, lithium niobate's competitiveness stems from its high electromechanical coupling factors and low insertion loss, which enable the lithium niobate wafer to transform energy with high efficiency. These distinguishing features make them especially suited for high-performance SAW applications.
Alfa Chemistry's range of SAW grade lithium niobate wafers is designed to meet the needs of the electronics industry. We offer wafers of various diameters, thicknesses, orientations, etc., tailored to fit specific application requirements. Our products undergo rigorous quality control processes to ensure they meet the highest industry standards.
| SAW Grade Lithium Niobate Wafers | ||
| Catalog | ACSEM-TFW006 | |
| Curie Temp | 1142±2.0 ℃ | |
| Cutting Angle | X, Y, Z, Y36, Y41, Y64, Y49, Y128, Y135, etc. | |
| Diameter/Size | 2" /3" /4" /5" /6" | |
| Tolerance (±) | <0.20 mm | |
| Thickness | 0.1-1 mm or more | |
| Primary Flat | 22 mm /32 mm /42.5 mm /57.5 mm or as customized | |
| Orientation Flat | All available | |
| Surface Type | Single side polished /Double sides polished | |
| Polished Side Ra | <0.5 nm | |
| Back Side Criteria | Generally 0.2-0.5 µm or as customized | |
| Edge Criteria | R=0.2 mm or Bullnose | |
| Wafer Surface Criteria | Contamination | None |
| Particles Φ>0.3 μm | ≤30 | |
| Scratch, Chipping | None | |
| Defect | No edge cracks, scratches, saw marks, stains | |
Our SAW grade lithium niobate wafers could be integrated into various SAW devices such as resonators, filters, and delay lines with excellent fitness.
If you do not find the product or would like to request a quote, please contact us.