标准摘要
[中文适用范围]： 本国际标准适用于用于制造频率控制和选择压电元件的合成石英单晶。 [外文原描述]： IEC 60758:2008 applies to synthetic quartz single crystals intended for manufacturing piezoelectric elements for frequency control and selection. This edition includes the following significant technical changes with respect to the previous edition: - preparation of AT-cut slice sample for etching is changed to make it easier; - etch channel grade classification is changed considering request of the user; - explanation of quartz axes difference between IEEE and IEC is added as Annex F.
英文名称Synthetic quartz crystal - Specifications and guidelines for use