IEC TS 61994-4-4-2018
频率控制、选择和检测用压电、介电和静电器件及相关材料术语第4-4部分:压电材料表面声波(SAW)器件用单晶片
Piezoelectric, dielectric and electrostatic devices and associated materials for frequency control, selection and detection - Glossary - Part 4-4: Piezoelectric materials - Single crystal wafers for s