天通股份：铌酸锂晶体材料目前较大的应用方向还有声学声表面滤波器

Group 1 - The core viewpoint of the article highlights the potential applications of lithium niobate crystal materials, particularly in acoustic surface wave filters and augmented reality (AR) glasses [2] - A 12-inch lithium niobate wafer is expected to produce 10 pairs of AR glasses, indicating significant production capabilities [2] - Compared to silicon carbide, lithium niobate materials are anticipated to have cost advantages in AR glasses, with performance characteristics that may complement each other in downstream customer product lines [2]