1.1 该测试方法允许快速测量X波段（8）中金属包层聚合物基电路基板的视相对介电常数和损耗角正切（损耗因子） GHz至12.4 GHz）。 1.2 本试验方法适用于测试PTFE（聚四氟乙烯）浸渍玻璃布或随机取向纤维垫、玻璃纤维增强聚苯乙烯、聚苯醚、辐照聚乙烯和标称试样厚度为的类似材料 1. / 16 在里面(1.6 毫米）。上一句中列出的材料已以9.6的标称频率用于商业应用 千兆赫。 注1: 看见 附录X1 有关介电常数范围的更多信息，请参阅 1. / 16 在里面(1.6 mm），并在9以外的频率下进行试验。 6. 千兆赫。 1.3 以英寸-磅为单位的数值应视为标准值。括号中给出的值是到国际单位制的数学转换，仅供参考，不被视为标准值。 1.4 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的用户有责任在使用前制定适当的安全、健康和环境实践，并确定监管限制的适用性。 1.5 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。 ====意义和用途====== 5.1 介电常数和损耗因子是微波电路设计的基本参数。介电常数在确定传输线的波长和阻抗方面起着主要作用。损耗因子（连同铜损耗）影响衰减和功率损耗。 5.2 本试验方法适用于介电常数为2到11的聚合物材料。这种材料在1.0.1中使用的带状线和微带配置中很受欢迎 GHz至18 GHz范围。 5.3 该测试方法适用于设计、开发、验收规范和制造质量控制。 注2: 看见 附录X1 有关本试验方法重要性和结果应用的更多信息。

1.1 This test method permits the rapid measurement of apparent relative permittivity and loss tangent (dissipation factor) of metal-clad polymer-based circuit substrates in the X-band (8 GHz to 12.4 GHz). 1.2 This test method is suitable for testing PTFE (polytetrafluorethylene) impregnated glass cloth or random-oriented fiber mats, glass fiber-reinforced polystyrene, polyphenyleneoxide, irradiated polyethylene, and similar materials having a nominal specimen thickness of 1 / 16 in. (1.6 mm). The materials listed in the preceding sentence have been used in commercial applications at nominal frequency of 9.6 GHz. Note 1: See Appendix X1 for additional information about range of permittivity, thickness other than 1 / 16 in. (1.6 mm), and tests at frequencies other than 9.6 GHz. 1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. ====== Significance And Use ====== 5.1 Permittivity and dissipation factor are fundamental design parameters for design of microwave circuitry. Permittivity plays a principal role in determining the wavelength and the impedance of transmission lines. Dissipation factor (along with copper losses) influence attenuation and power losses. 5.2 This test method is suitable for polymeric materials having permittivity in the order of two to eleven. Such materials are popular in applications of stripline and microstrip configurations used in the 1 GHz to 18 GHz range. 5.3 This test method is suitable for design, development, acceptance specifications, and manufacturing quality control. Note 2: See Appendix X1 for additional information regarding significance of this test method and the application of the results.