ICS 31.180 CCS L30 团 体 标 准 T/CSTM 00990 —2023 毫米波频段介电常数和介质损耗角正切测 试方法 准光腔法 Test method for dielectric constant and dielectric loss tangent in millimeter wave frequency range — Quasi -optical cavity method 2023-04-07发布 2023-07-07 实施 中关村材料试验技术联盟 发布 CSTMhQÆSÑ^Ou( 全国团体标准信息平台 T/CSTM 00990— 2023 1 目 次 前 言 ................................................................ ................................ ................................................................ 2 引 言 ................................................................ ................................ ................................................................ 3 1 范围 ................................................................ ................................ ................................................................ 4 2 规范性引用文件 ................................ ................................................................ ................................ ............ 4 3 术语和定义 ................................ ................................................................ ................................ .................... 4 4 符号和缩略语 ................................ ................................................................ ................................ ................ 4 5 原理 ................................................................ ................................ ................................................................ 5 6 环境条件 ................................ ................................................................ ........................................................ 5 7 仪器设备 ................................ ................................................................ ........................................................ 5 8 样品要求 ................................ ................................................................ ........................................................ 6 9 测试步骤 ................................ ................................................................ ........................................................ 6 9.1 样品预处理 ................................ ................................................................ ................................ ............. 6 9.2 仪器准备 ................................ ................................................................ ................................ ................. 6 9.3 样品尺寸测量 ................................ ................................................................ ................................ ......... 6 9.4 常温测试 ................................ ................................................................ ................................ ................. 6 9.5 高温测试 ................................ ................................................................ ................................ ................. 6 9.6 低温测试 ................................ ................................................................ ................................ ................. 7 10 计算 ................................................................ ................................ .............................................................. 7 10.1 介电常数温度系数 ................................ ................................ ............................................................... 7 10.2 介质损耗角正切温度系数 ................................................................ ................................ ................... 7 11 系统误差 ................................ ................................................................ ...................................................... 8 12 注意事项 ................................ ................................................................ ............................................